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USER’S MANUAL
Revision 1.0
A2SAP-L1
The information in this user’s manual has been carefully reviewed and is believed to be accurate. The vendor assumes
no responsibility for any inaccuracies that may be contained in this document, and makes no commitment to update
or to keep current the information in this manual, or to notify any person or organization of the updates. Please Note:
For the most up-to-date version of this manual, please see our website at www.supermicro.com.
Super Micro Computer, Inc. ("Supermicro") reserves the right to make changes to the product described in this manual
at any time and without notice. This product, including software and documentation, is the property of Supermicro and/
or its licensors, and is supplied only under a license. Any use or reproduction of this product is not allowed, except
as expressly permitted by the terms of said license.
IN NO EVENT WILL Super Micro Computer, Inc. BE LIABLE FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL,
SPECULATIVE OR CONSEQUENTIAL DAMAGES ARISING FROM THE USE OR INABILITY TO USE THIS PRODUCT
OR DOCUMENTATION, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. IN PARTICULAR, SUPER
MICRO COMPUTER, INC. SHALL NOT HAVE LIABILITY FOR ANY HARDWARE, SOFTWARE, OR DATA STORED
OR USED WITH THE PRODUCT, INCLUDING THE COSTS OF REPAIRING, REPLACING, INTEGRATING,
INSTALLING OR RECOVERING SUCH HARDWARE, SOFTWARE, OR DATA.
Any disputes arising between manufacturer and customer shall be governed by the laws of Santa Clara County in the
State of California, USA. The State of California, County of Santa Clara shall be the exclusive venue for the resolution
of any such disputes. Supermicro's total liability for all claims will not exceed the price paid for the hardware product.
FCC Statement: This equipment has been tested and found to comply with the limits for a Class B digital device
pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful
interference when the equipment is operated in a commercial environment. This equipment generates, uses, and can
radiate radio frequency energy and, if not installed and used in accordance with the manufacturer’s instruction manual,
may cause harmful interference with radio communications. Operation of this equipment in a residential area is likely
to cause harmful interference, in which case you will be required to correct the interference at your own expense.
California Best Management Practices Regulations for Perchlorate Materials: This Perchlorate warning applies only
to products containing CR (Manganese Dioxide) Lithium coin cells. “Perchlorate Material-special handling may apply.
See www.dtsc.ca.gov/hazardouswaste/perchlorate.
The products sold by Supermicro are not intended for and will not be used in life support systems, medical equipment,
nuclear facilities or systems, aircraft, aircraft devices, aircraft/emergency communication devices or other critical
systems whose failure to perform be reasonably expected to result in signicant injury or loss of life or catastrophic
property damage. Accordingly, Supermicro disclaims any and all liability, and should buyer use or sell such products
for use in such ultra-hazardous applications, it does so entirely at its own risk. Furthermore, buyer agrees to fully
indemnify, defend and hold Supermicro harmless for and against any and all claims, demands, actions, litigation, and
proceedings of any kind arising out of or related to such ultra-hazardous use or sale.
Manual Revision 1.0
Release Date: July 20, 2021
Unless you request and receive written permission from Super Micro Computer, Inc., you may not copy any part of this
document. Information in this document is subject to change without notice. Other products and companies referred
to herein are trademarks or registered trademarks of their respective companies or mark holders.
Copyright © 2021 by Super Micro Computer, Inc.
All rights reserved.
Printed in the United States of America
WARNING: This product can expose you to chemicals including
lead, known to the State of California to cause cancer and birth
defects or other reproductive harm. For more information, go
to www.P65Warnings.ca.gov.
!
3
Preface
Preface
About This Manual
This manual is written for system integrators, IT technicians and knowledgeable end users.
It provides information for the installation and use of the A2SAP-L1 motherboard.
About This Motherboard
The A2SAP-L1 motherboard provides powerful graphics and increased media processing
performance with multi-frame technology. Paired with the Intel® Atom SoC (System-on-a-
Chip) processor, the A2SAP-L1 delivers more computing power for faster memory speeds
and bandwidth while maintaining energy eciency. Utilizing Intel® TCC (Time Coordinated
Computing) Technology, the A2SAP-L1 resolves latency issues in applications and improves
determinism across connected devices. The motherboard features advanced technologies
such as Intel® Virtualization to improve security and reliabity of systems, and Thermal
Monitoring to reduce power consumption. It also comes with more I/O ports and high-speed
connectivity.
Please note that this motherboard is intended to be installed and serviced by professional
technicians only. For processor/memory updates, please refer to our website at http://www.
supermicro.com/products/.
Conventions Used in the Manual
Special attention should be given to the following symbols for proper installation and to prevent
damage done to the components or injury to yourself:
Warning! Indicates high voltage may be encountered when performing a procedure.
Warning! Indicates important information given to prevent equipment/property damage
or personal injury.
Important: Important information given to ensure proper system installation or to
relay safety precautions.
Note: Additional Information given to dierentiate various models or provides infor-
mation for correct system setup.
4
Contacting Supermicro
Headquarters
Address: Super Micro Computer, Inc.
980 Rock Ave.
San Jose, CA 95131 U.S.A.
Tel: +1 (408) 503-8000
Fax: +1 (408) 503-8008
Email: marketing@supermicro.com (General Information)
support@supermicro.com (Technical Support)
Website: www.supermicro.com
Europe
Address: Super Micro Computer B.V.
Het Sterrenbeeld 28, 5215 ML
's-Hertogenbosch, The Netherlands
Tel: +31 (0) 73-6400390
Fax: +31 (0) 73-6416525
Email: sales@supermicro.nl (General Information)
support@supermicro.nl (Technical Support)
rma@supermicro.nl (Customer Support)
Website: www.supermicro.nl
Asia-Pacic
Address: Super Micro Computer, Inc.
3F, No. 150, Jian 1st Rd.
Zhonghe Dist., New Taipei City 235
Taiwan (R.O.C)
Tel: +886-(2) 8226-3990
Fax: +886-(2) 8226-3992
Email: support@supermicro.com.tw
Website: www.supermicro.com.tw
Super A2SAP-L1 User's Manual
5
Table of Contents
Chapter 1 Introduction
1.1 Checklist ...............................................................................................................................7
Quick Reference ...............................................................................................................12
Quick Reference Table ......................................................................................................13
Motherboard Features .......................................................................................................14
1.2 Processor Overview ...........................................................................................................17
1.3 Special Features ................................................................................................................17
Recovery from AC Power Loss .........................................................................................17
1.4 ACPI Features ....................................................................................................................18
1.5 Power Supply .....................................................................................................................18
1.6 Super I/O ............................................................................................................................18
1.7 Advanced Power Management ..........................................................................................19
Management Engine (ME) ................................................................................................19
Chapter 2 Installation
2.1 Static-Sensitive Devices .....................................................................................................20
Precautions .......................................................................................................................20
Unpacking .........................................................................................................................20
2.2 Motherboard Installation .....................................................................................................21
Tools Needed ....................................................................................................................21
Location of Mounting Holes ..............................................................................................21
Installing the Motherboard.................................................................................................22
2.3 Memory Support and Installation .......................................................................................23
Memory Support ................................................................................................................23
SO-DIMM Installation ........................................................................................................24
SO-DIMM Removal ...........................................................................................................24
2.4 Rear I/O Ports ....................................................................................................................25
2.5 Front Control Panel ............................................................................................................28
2.6 Connectors .........................................................................................................................31
Power Connections ...........................................................................................................31
Headers and Connectors ..................................................................................................32
2.7 Jumper Settings .................................................................................................................39
How Jumpers Work ...........................................................................................................39
2.8 LED Indicators ....................................................................................................................41
Preface
6
Chapter 3 Troubleshooting
3.1 Troubleshooting Procedures ..............................................................................................42
Before Power On ..............................................................................................................42
No Power ..........................................................................................................................42
Memory Errors ..................................................................................................................43
Losing the System's Setup Conguration .........................................................................43
When the System Becomes Unstable ..............................................................................43
3.2 Technical Support Procedures ...........................................................................................45
3.3 Frequently Asked Questions ..............................................................................................46
3.4 Battery Removal and Installation .......................................................................................47
Battery Removal ................................................................................................................47
Proper Battery Disposal ....................................................................................................47
Battery Installation .............................................................................................................47
3.5 Returning Merchandise for Service ....................................................................................48
Chapter 4 BIOS
4.1 Introduction .........................................................................................................................49
Starting the Setup Utility ...................................................................................................49
4.2 Main Setup .........................................................................................................................50
4.3 Advanced ............................................................................................................................51
4.4 Security ...............................................................................................................................70
4.5 Boot ....................................................................................................................................74
4.6 Save & Exit .........................................................................................................................76
Appendix A Software
A.1 Microsoft Windows OS Installation .....................................................................................78
A.2 Driver Installation ................................................................................................................80
A.3 SuperDoctor ® 5 ...................................................................................................................81
B.4 IPMI ....................................................................................................................................82
Appendix B Standardized Warning Statements
Battery Handling ................................................................................................................83
Product Disposal ...............................................................................................................85
Appendix C UEFI BIOS Recovery
C.1 Overview .............................................................................................................................86
C.2 Recovering the UEFI BIOS Image .....................................................................................86
C.3 Recovering the BIOS Block with a USB Device ................................................................86
Super A2SAP-L1 User's Manual
7
Chapter 1: Introduction
Chapter 1
Introduction
Congratulations on purchasing your computer motherboard from an industry leader. This
board is designed to provide you with the highest standards in quality and performance.
In additon to the motherboard, several important parts that are included with the system are
listed below. If anything listed is damaged or missing, please contact your retailer.
1.1 Checklist
Important Links
For your system to work properly, please follow the links below to download all necessary
drivers/utilities and the user’s manual for your server.
• Product manuals: http://www.supermicro.com/support/manuals/
• Product drivers and utilities: https://www.supermicro.com/wdl/driver/
• Product safety info: http://www.supermicro.com/about/policies/safety_information.cfm
• A secure data deletion tool designed to fully erase all data from storage devices can be
found at our website: https://www.supermicro.com/about/policies/disclaimer.cfm?url=/wdl/
utility/Lot9_Secure_Data_Deletion_Utility/
• If you have any questions, please contact our support team at: support@supermicro.com
This manual may be periodically updated without notice. Check the Supermicro website for
possible updates to the manual revision level.
Main Parts List
Description QuantityPart Number
Supermicro Motherboard A2SAP-L1 1
Heatsink (25mm height) SNK-C0115L 1
SATA Data Cable (29cm) CBL-SAST-0538 1
SATA Power Cable (20cm) CBL-PWEX-1030 1
USB3.0 Cable (15cm) CBL-CUSB-0826 1
USB2.0 Cable (20cm) CBL-CUSB-0983 1
Power input cable (15cm) CBL-PWEX-1029 1
Audio Cable (20cm) CBL-OTHR-0986 1
RJ45 Ethernet Cable (10cm) CBL-CDAT-0934 1
COM Port Cable (20cm) CBL-CUSB-0984 1
Quick Referennce Guide MNL-2427-QRG 1
8
Super A2SAP-L1 User's Manual
Figure 1-1. A2SAP-L1Motherboard Images
Note: All graphics shown in this manual were based upon the latest PCB revision
available at the time of publication of the manual. The motherboard you received may
or may not look exactly the same as the graphics shown in this manual.
Front Image
Back Image
9
Chapter 1: Introduction
Top Side
Figure 1-2. Motherboard Mechanical Drawings
Bottom Side
10
Super A2SAP-L1 User's Manual
Figure 1-3. Motherboard Back Panel I/O Mechanical Drawings
Back Panel I/O with Heatsink
Back Panel I/O without Heatsink
11
Chapter 1: Introduction
LED1
JCOM1: COM1/COM2 J3: AUDIO FP
BT1
LVDS1
JMP1
JGP1
JF1
JMD1
SRW1
SRW2
JPWR1
JLAN1LED1
JLAN1
JHDMI1
I-SATA1
JUSB1
JUSB2
JLCDPWR1
USB 0/1
USB 2/3
JLPC
A2SAP-L1
REV:1.00
DESIGNED IN USA
JSMBUS1
J5
CPU1
Top Layout
Bottom Layout
Figure 1-4. Motherboard Layouts
(not drawn to scale)
12
Super A2SAP-L1 User's Manual
JSMBUS1
J5
CPU1
Bottom Layout
Top Layout
Quick Reference
Notes:
• See Chapter 2 for detailed information on jumpers, I/O ports, and JF1 front panel connec-
tions. Jumpers and LED indicators not indicated are used for testing only.
• " " indicates the location of Pin 1.
LED1
JCOM1: COM1/COM2 J3: AUDIO FP
BT1
LVDS1
JMP1
JGP1
JF1
JMD1
SRW1
SRW2
JPWR1
JLAN1LED1
JLAN1
JHDMI1
I-SATA1
JUSB1
JUSB2
JLCDPWR1
USB 0/1
USB 2/3
JLPC
A2SAP-L1
REV:1.00
DESIGNED IN USA
USB0/1
JUSB1
JLAN1
CPU
JMD1
I-SATA1
JF1
BT1
J3
JGP1
JHDMI1
JPWR1
JSMBUS1
JLCDPWR1
JCOM1
SRW2
JMP1
SODIMM
LVDS1
SRW1
LED1
JUSB2
JLAN1LED1
USB2/3
13
Chapter 1: Introduction
Note: Components not documented are for internal testing only.
Quick Reference Table
Jumper Description Jumper Setting (Default *)
JLCDPWR1
FORCE POWER ON Pins 2-4* (FORCE POWER ON)
Pins 4-6 (POWER BUTTON ON)
LVDS Panel Power Source Selection Pins 1-3* (3.3V)
Pins 3-5 (5V)
LED Description Status
LED1 Power LED Solid Green: S0 mode
Solid Red: S3/S4/S5 modes
Connector Description
BT1
Battery Connector
(To Clear CMOS, remove the battery, short pins 1-2 for more than 10 seconds and install the
battery.)
I-SATA1 Intel® PCH SATA 3.0 Port
J3 Front Panel Audio via one box header (Mic-In/Headphone-out)
JCOM1 COM Box Headers (two RS232/422/485)
JF1 Front Control Panel via one box header (Power/HDD LED, Reset, Power button
JGP1 8-bit General Purpose I/O via one box header
JHDMI1 High Denition Multimedia Interface (HDMI) Port
JLAN1 1GbE LAN Port with Box Header and Transformer (Intel I210)
JLAN1LED1 GbE LAN Port ACT/LINK LED via one box header
JMD1 M.2 Slot (B-KEY 2242/3042) (SATA 3.0/PCIe p13-x1 Gen2/one USB 2.0)
JMP1 Half-Size Mini PCIe Slot (supports PCIe p13-x1 Gen2/one USB 2.0)
JPWR1 One 2x4-Pin 12V Power Connector
JSMBUS1 SMBus and 5V/1A SATA Power Box Header
JUSB1/JUSB2 Two USB3.0 ports via two box headers
LVDS1 Dual Channel 48-bit LVDS Connector
SRW1 - SRW2 M.2 and Mini PCIe Mounting Holes
USB0/1, USB2/3 Four USB2.0 ports via two box headers
14
Super A2SAP-L1 User's Manual
Note: The table above is continued on the next page.
Motherboard Features
CPU
• A2SAP-L1: Intel® Atom SoC E3940 Processor, Quad Core, 2 MB L2 Cache, 1.6GHz-1.8GHz, 9.5W
Memory
• Integrated memory controller supports up to 8GB of DDR3L 1867MHz Non-ECC 204-pin SO-DIMM
DIMM Size
• Single channel Non-ECC SO-DIMM, DDR3L 1333/1600/1867MHz up to 8GB
Expansion Slots
• One Half-Size Mini PCIe Slot (supports PCIe p14-x1 Gen2 / one USB 2.0)
• One M.2 Slot (B-KEY 2242/3042) (SATA 3.0 / PCIe p14-x1 Gen2 / USB 2.0)
Network
• Dual Intel I210 controller
Graphics
• Intel® HD Graphics GT Series
• Features: OpenGL 5.0, DirectX 12, OpenCL 2.1
• Hardware Decode: AVC/H.264, MPEG2, VC1/WMV9, JPEG/MJPEG,
HEVC/H.265, VP8, VP9, MVC
• Hardware Encode: AVC/H.264, JPEG/MJPEG, HEVC/H.265, VP8, VP9, MVC
• Display: HDMI 1.4 (resolution up to 3840x2160 at 30Hz), LVDS (dual channel
48-bit, resolution up to 1920x1200 at 60Hz)
I/O Devices
• COM Port
• SATA Port
• Audio Port
• SMBus Box Header
• 8-bit GPIO
• Two COM ports via one box header (JCOM1 supports two RS232/RS422/RS485)
• One SATA 3.0 port (I-SATA1)
• One HD Audio box header with Mic-in/Headphone-out (Realtek ALC888S)
• One SMBus box header
• One 8-bit GPIO box header
Peripheral Devices
• Two USB 3.0 ports on two box headers (JUSB1/JUSB2)
• Four USB 2.0 ports on two box headers (USB0/1, USB2/3)
BIOS
• 128Mb SPI AMI BIOS ®
• ACPI 6.0, SMBIOS 3.0, PCI F/W 3.0, UEFI 2.5, BIOS rescue hot-key, RTC (Real Time Clock) wakeup
Motherboard Features
15
Chapter 1: Introduction
Motherboard Features
Power Management
• ACPI power management
• S3, S4, S5
• Power button override mechanism
• Power-on mode for AC power recovery
• Wake-On-LAN
• TXE Management Engine
• Force Power On by Jumper
• RTC Battery (typical voltage: 3.0V, normal discharge capacity: 220mAh)
System Health Monitoring
• Onboard voltage monitoring for +3.3V,+3.3V standby, VBAT, Vcore, system temperature, and memory voltage
• CPU switching phase voltage regulator
• CPU thermal trip support
System Management
• SuperDoctor® 5, Watch Dog, NMI, RoHS
LED Indicators
• Power/Suspend State Indicator LED, LAN Port LED via box header
Dimensions
• 2.83" (L) x 3.94" (W) (72mm x 100mm) SBCs
Environment
• Operating Temperature Range: -30°C ~ 75°C (-22°F ~ 167°F). (Note: The audio function operating temperature is 0~60°C.)
Note: The CPU maximum thermal design power (TDP) is subject to chassis and
heatsink cooling restrictions. For proper thermal management, please check the chas-
sis and heatsink specications for proper CPU TDP sizing.
16
Super A2SAP-L1 User's Manual
Note: This is a general block diagram and may not exactly represent the features on
your motherboard. See the previous pages for the actual specications of your moth-
erboard.
Figure 1-6.
System Block Diagram
Intel
DDR3L non ECC SKU
SINGLE CHANNEL
MA - MM P R DX. 8G SO DI SU PO TE
DDR3L
1866/1600/1333 MHz
Non-ECC-SODIMM0
DDI0
HDMI connector
SA [1]TA
US 3 ]B .0 [0
SPI
FLASH
SPI 128Mb FS SPIT_
US 2 ]B .0 [0
High Definition
REALTEK
ALC888S-VD2-GR FRONT AUDIO Header
US 3 ]B .0 [1
Re B3.0 er USB a Sr U d Hea ( 0) 5.0Gb/s
5.0Gb/s US 2 ]B .0 [1
SATA
6Gb/s
US 2 ]B .0 [2
US 2 ]B .0 [7
US 2 ]B .0 [3
LPC
SIO
NCT5523
Au odi
SATA 6Gb/s
I-SATA0
SA [0]TA
eDP
COM 1 / 2
Re B2.0 Heada Sr U e U )r ( SB 3
Re B2.0 Heada Sr U e U )r ( SB 2
PTN3460
DP to LVDSBridge
LVDS Connector
480Mb/s
480Mb/s
PCI e 1e G n2 x
5. T/s0G
PC [0]IE
Header (JLAN1)
GLAN1(LAN1)
INTEL I210
PCI e 1e G n2 x
PC [1]IE 5. T/s0G
PCI e 1e G n2 x
5. T/s0G
PC [3]IE
Mini-PCIe Slot
48 Mb/0 s
(RS232/422/485)
SMBUS
8-bit GPIO
SMBUS_HEADER
M.2 SLOT (B KEY)
Re B3.0 er USB a Sr U d Hea ( 1)
Re B2.0 Heada Sr U e U )r ( SB 4
Re B2.0 Heada Sr U e U )r ( SB 5 US 2 ]B .0 [5
US 2 ]B .0 [4
480Mb/s
480Mb/s
480Mb/s
US 2 B .0
17
Chapter 1: Introduction
1.2 Processor Overview
Built upon the functionality and capability of the Intel Atom SoC processor, the A2SAP-L1
motherboard oers maximum I/O expandability, energy eciency, and data reliability in a
14-nm process architecture, and is optimized for embedded storage solutions, networking
applications, or cloud-computing platforms. The A2SAP-L1 drastically increases system
performance for a multitude of server applications.
The A2SAP-L1 supports the following features:
• Intel Virtualization Technology for Directed I/O (Intel VT-d)
• Enhanced Intel SpeedStep® Technology
• Video Connectors: HDMI and LVDS
• Adaptive Thermal Management/Monitoring
• Mini-PCIe slot with PCIe Gen2 X1 with transfer rates of up to 5Gb/s
• SATA port with SATA Gen3 with transfer rates of up to 6Gb/s
• System Management Bus (SMBus) Specication, Version 2.0
• M.2 slot with B-key 2242/3042 module
• Integrated Sensor Hub (ISH)
• Intel® Identity Protection Technology
1.3 Special Features
This section describes the health monitoring features of the A2SAP-L1 motherboard. The
motherboard has an onboard System Hardware Monitor chip that supports system health
monitoring.
Recovery from AC Power Loss
The Basic I/O System (BIOS) provides a setting that determines how the system will respond
when AC power is lost and then restored to the system. You can choose for the system to
remain powered o (in which case you must press the power switch to turn it back on), or
for it to automatically return to the power-on state. See the Advanced BIOS Setup section
for this setting. The default setting is Last State.
Note: Before setting the Recovery from AC Power Loss function in the BIOS, please
adjust force power on jumper JLCDPWR1 to pins 4-6 to disable the force power-on
function.
18
Super A2SAP-L1 User's Manual
1.4 ACPI Features
The Advanced Conguration and Power Interface (ACPI) specication denes a exible and
abstract hardware interface that provides a standard way to integrate power management
features throughout a computer system including its hardware, operating system and
application software. This enables the system to automatically turn on and o peripherals
such as network cards, hard disk drives and printers.
In addition to enabling operating system-directed power management, ACPI also provides a
generic system event mechanism for Plug and Play and an operating system-independent
interface for conguration control. ACPI leverages the Plug and Play BIOS data structures
while providing a processor architecture-independent implementation that is compatible with
Windows® 10.
1.5 Power Supply
As with all computer products, a stable power source is necessary for proper and reliable
operation. It is even more important for processors that have high CPU clock rates. In areas
where noisy power transmission is present, you may choose to install a line lter to shield
the computer from noise. It is recommended that you also install a power surge protector to
help avoid problems caused by power surges.
1.6 Super I/O
The Super I/O (NCT5523 chip) provides two high-speed, 16550 compatible serial
communication ports (UARTs), one of which supports serial infrared communication. Each
UART includes a 16-byte send/receive FIFO, a programmable baud rate generator, complete
modem control capability and a processor interrupt system. Both UARTs provide legacy speed
with baud rate of up to 115.2 Kbps as well as an advanced speed with baud rates of 250 K,
500 K, or 1 Mb/s, which support higher speed modems.
The Super I/O provides functions that comply with ACPI (Advanced Conguration and Power
Interface), which includes support of legacy and ACPI power management through a SMI
or SCI function pin. It also features auto power management to reduce power consumption.
The IRQs, DMAs and I/O space resources of the Super I/O can be exibly adjusted to meet
ISA PnP requirements, which support ACPI and APM (Advanced Power Management).
19
Chapter 1: Introduction
1.7 Advanced Power Management
The following new advanced power management features are supported by the motherboard.
Management Engine (ME)
Intel Atom SoC only supports the TXE function, also called Converged Security Engine(CSE),
which is the lite ME function.
20
Super A2SAP-L1 User's Manual
Chapter 2
Installation
2.1 Static-Sensitive Devices
Electrostatic Discharge (ESD) can damage electronic com ponents. To prevent damage to your
motherboard, it is important to handle it very carefully. The following measures are generally
sucient to protect your equipment from ESD.
Precautions
• Use a grounded wrist strap designed to prevent static discharge.
• Touch a grounded metal object before removing the board from the antistatic bag.
• Handle the board by its edges only; do not touch its components, peripheral chips, memory
modules or gold contacts.
• When handling chips or modules, avoid touching their pins.
• Put the motherboard and peripherals back into their antistatic bags when not in use.
• For grounding purposes, make sure that your chassis provides excellent conductivity be-
tween the power supply, the case, the mounting fasteners and the motherboard.
• Use only the correct type of CMOS onboard battery as specied by the manufacturer.
Unpacking
The motherboard is shipped in antistatic packaging to avoid static damage. When unpacking
the motherboard, make sure that the person handling it is static protected.
21
Chapter 2: Installation
LED1
JCOM1: COM1/COM2 J3: AUDIO FP
BT1
LVDS1
JMP1
JGP1
JF1
JMD1
SRW1
SRW2
JPWR1
JLAN1LED1
JLAN1
JHDMI1
I-SATA1
JUSB1
JUSB2
JLCDPWR1
USB 0/1
USB 2/3
JLPC
A2SAP-L1
REV:1.00
DESIGNED IN USA
2.2 Motherboard Installation
All motherboards have standard mounting holes to t dierent types of chassis. Make sure
that the locations of all the mounting holes for both the motherboard and the chassis match.
Although a chassis may have both plastic and metal mounting fasteners, metal ones are
highly recommended because they ground the motherboard to the chassis. Make sure that
the metal standos click in or are screwed in tightly.
Location of Mounting Holes
Note: 1) To avoid damaging the motherboard and its components, please do not use
a force greater than 8 lb/inch on each mounting screw during motherboard installation.
2) Some components are very close to the mounting holes. Please take precautionary
measures to avoid damaging these components when installing the motherboard to
the chassis.
Phillips Screwdriver (1) Standos (4)
Only if Needed
Phillips Screws (4)
Tools Needed
22
Super A2SAP-L1 User's Manual
Installing the Motherboard
1. Locate the mounting holes on the motherboard. See the previous page for the location.
2. Install standos in the chassis.
3. Install the memory. Follow section 2.3 - Memory Support and Installation
4. After the memory installation is complete, install the heatsink.
5. The thermal solution kit that comes with the motherboard includes one heatsink with
thermal grease and four copper standos that are 19mm in height. The copper stando
type is determined by the customer's chassis design. The copper standos that are
19mm in height are recommended only.
6. To install the heatsink, remove the plastic cover on the bottom of the heatsink to expose
the thermal grease. Then place the heatsink directly on the CPU and make sure the
thermal grease is in contact with the CPU.
7. Turn the motherboard over and tighten the standos on the chassis with the
corresponding screws by using the Phillips screwdriver. Install the motherboard into the
chassis carefully to avoid damaging other motherboard components.
Note: Images displayed are for illustration only. Your chassis or components might
look dierent from those shown in this manual.
8. Make sure that the motherboard is securely placed in the chassis.
23
Chapter 2: Installation
2.3 Memory Support and Installation
Note: Check the website for recommended memory modules.
Important: Exercise extreme care when installing or removing DIMM modules to pre-
vent any possible damage.
Memory Support
The A2SAP-L1 supports up to 8GB of DDR3L Non-ECC SO-DIMM with speeds of
1333/1600/1867MHz in one memory slot on the bottom side of the motherboard.
JSMBUS1
J5
CPU1
SO-DIMM Socket
Bottom Layout
24
Super A2SAP-L1 User's Manual
SO-DIMM Installation
1. Position the SO-DIMM module's bottom key so it aligns with the receptive point on the
slot.
2. Insert the SO-DIMM module vertically at about a 45 degree angle. Press down until the
module locks into place.
Align
Insert this end rst Press down until the module
locks into place.
3. The side clips will automatically secure the SO-DIMM module, locking it into place.
Locking clip
SO-DIMM Removal
1. Push the side clips at the end of the slot to release the SO-DIMM module. Pull the SO-
DIMM module up to remove it from the slot.
31
Chapter 2: Installation
2.6 Connectors
Power Connections
12V DC Power Connector
JPWR1 is a 2x4-pin, 2.0mm pitch box header, 12V DC power source for the motherboard.
The cable package includes a 2x4-pin to 2x2-pin power cable.
LED1
JCOM1: COM1/COM2 J3: AUDIO FP
BT1
LVDS1
JMP1
JGP1
JF1
JMD1
SRW1
SRW2
JPWR1
JLAN1LED1
JLAN1
JHDMI1
I-SATA1
JUSB1
JUSB2
JLCDPWR1
USB 0/1
USB 2/3
JLPC
A2SAP-L1
REV:1.00
DESIGNED IN USA
1
1. 12V DC Power
(JPWR1: 2x4 pin box
header)
12V DC Power
Pin Denition
Pin# Denition
1-4 P12VSB
5-8 GND
32
Super A2SAP-L1 User's Manual
Headers and Connectors
LED1
JCOM1: COM1/COM2 J3: AUDIO FP
BT1
LVDS1
JMP1
JGP1
JF1
JMD1
SRW1
SRW2
JPWR1
JLAN1LED1
JLAN1
JHDMI1
I-SATA1
JUSB1
JUSB2
JLCDPWR1
USB 0/1
USB 2/3
JLPC
A2SAP-L1
REV:1.00
DESIGNED IN USA
1
1. Audio Header
2. Battery connector
Front Panel Audio Header
A 10-pin front panel audio header located on the motherboard allows you to use the onboard
sound for audio playback. Connect an audio cable to the this header to use this feature. Refer
to the table below for pin denitions.
Audio Header
Pin Denition
Pin# Pin#Denition Denition
1 2MIC_Left AUDIO_GND
3 4MIC_Right AUDIO_Detect
5 6LINE2_Right MIC2_JD
7 8Front AUDIO_JD NC
9 LINE2_Left 10 LINE2_JD
Battery Connector
BT1 is a two-pin connector for an external CMOS battery. Refer to Chapter 3 for battery
installation instructions. This connector is also used to clear the CMOS. To clear the CMOS,
remove the battery, short pins 1-2 for more than 10 seconds and then install the battery.
2
33
Chapter 2: Installation
Serial COM Ports
Pin Denition
Pin# Pin#Denition Denition
1
DCD
or RS-485/422_COM1_TX- (Full Duplex)
or RS-485_COM1_Data- (Half Duplex)
2
DSR
3
RXD
or RS-485/422_COM1_TX+ (Full Duplex)
or RS-485_COM1_Data+ (Half Duplex)
4
RTS
5 6TXD or RS-485/422_COM1_RX+ (Full Duplex) CTS
7 8DTR or RS-485/422_COM1_RX- (Full Duplex) RI_N
9 GND 10 N/A
11
DCD
or RS-485/422_COM2_TX- (Full Duplex)
or RS-485_COM2_Data- (Half Duplex)
12
DSR
13
RXD
or RS-485/422_COM2_TX+ (Full Duplex)
or RS-485_COM2_Data+ (Half Duplex)
14
RTS
15 16 CTSTXD or RS-485/422_COM2_RX+ (Full Duplex)
17 18 RI_NDTR or RS-485/422_COM2_RX- (Full Duplex)
19 GND 20 N/A
COM Headers
The JCOM1 header provides two RS232/422/485 COM connections. Refer to the table below
for pin denitions. Refer to pins 1 - 10 for COM1 and pins 11 - 20 for COM2.
SATA Ports
The A2SAP-L1 has one SATA 3.0 port (I-SATA1) that is supported by the Intel Atom SoC.
LED1
JCOM1: COM1/COM2 J3: AUDIO FP
BT1
LVDS1
JMP1
JGP1
JF1
JMD1
SRW1
SRW2
JPWR1
JLAN1LED1
JLAN1
JHDMI1
I-SATA1
JUSB1
JUSB2
JLCDPWR1
USB 0/1
USB 2/3
JLPC
A2SAP-L1
REV:1.00
DESIGNED IN USA
1
1. JCOM1
2. I-SATA1
2
34
Super A2SAP-L1 User's Manual
LED1
JCOM1: COM1/COM2 J3: AUDIO FP
BT1
LVDS1
JMP1
JGP1
JF1
JMD1
SRW1
SRW2
JPWR1
JLAN1LED1
JLAN1
JHDMI1
I-SATA1
JUSB1
JUSB2
JLCDPWR1
USB 0/1
USB 2/3
JLPC
A2SAP-L1
REV:1.00
DESIGNED IN USA
LVDS Connector
LVDS1 is the LVDS connector. Low-voltage Dierential Signaling (LVDS) is a high-speed
digital interface that operates at low power. It is a type of connection that is used with a
LVDS LCD panel. The connector combines LCD VCC Power (pins 9-10), LVDS high speed
digital interface, backlight power 3.3V (pin 7) and 12V (pins 1-5), backlight enable (pin 15),
and dimming control (pin 13). Select the correct LCD VCC power according to the LCD
specication by JLCDPWR1 (short pins 1-3 for 3.3V, short pins 3-5 for 5V) before enabling
the LVDS panel. The choose the LCD VCC power, short JLCDPWR1 pins 1-3 for 3.3V or
short pins 3-5 for 5V. Refer to the tables below for vendor part number, mating, and crimping
contact connector information before making the LVDS/backlight cable.
1. LVDS Connector
1
LVDS Connector
Pin Denitions
Pin# Pin#Denition Denition
39 GND 40 GND
37 LVDSB D3N 38 LVDSB D3P
35 LVDSB CLKN 36 LVDSB CLKP
33 LVDSB D2N 34 LVDSB D2P
31 LVDSB D1N 32 LVDSB D1P
29 LVDSB D0N 30 LVDSB D0P
27 GND 28 GND
25 LVDSA D3N 26 LVDSA D3P
23 LVDSA CLKN 24 LVDSA CLKP
21 LVDSA D2N 22 LVDSA D2P
19 LVDSA D1N 20 LVDSA D1P
17 LVDSA D0N 18 LVDSA D0P
15 BKLTEN 16 GND
13 BKLTCTL 14 PVCCEN
11 DDC CLK 12 DDC DATA
9 LCDVCC 10 LCDVCC
7 3.3V 8 GND
5 12V 6 GND
3 12V 4 12V
1 12V 2 12V
LVDS Connector
Connector Vendor DescriptionManufacture P/N
Onboard LVDS
Connector HIROSE DF13E-40DP-1.25V(52)
BOX HEADER, BOARD TO WIRE, 2X20, PITCH 1.25MM,
VERT, 1A/PIN, WHITE, 0.2UM GOLD, PA9T, MATING
HEIGHT 5.8MM
Mating Connector HIROSE DF13-40DS-1.25C Headers and Wire Housings 1.25MM RECEPT HSNG 40P
DUAL ROW CRIMP
Crimping Contact
Connector HIROSE DF13G-2630SCFA Headers and Wire Housings SOCKET CONTACT/REEL
AWG26-30
35
Chapter 2: Installation
LED1
JCOM1: COM1/COM2 J3: AUDIO FP
BT1
LVDS1
JMP1
JGP1
JF1
JMD1
SRW1
SRW2
JPWR1
JLAN1LED1
JLAN1
JHDMI1
I-SATA1
JUSB1
JUSB2
JLCDPWR1
USB 0/1
USB 2/3
JLPC
A2SAP-L1
REV:1.00
DES GNED IN USA
General Purpose I/O Header
The JGP1 (General Purpose Input/Output) header is an 8-bit general purpose I/O expander
on a pin header via the SMBus. Refer to the table below for pin denitions. The base address
is 0xF040.
GPIO Header
Pin Denition
Pin# Pin#Denition Denition
1 2P3V3SB GND
3 4GP_P3V3_GP0 GP_P3V3_GP4
5 6GP_P3V3_GP1 GP_P3V3_GP5
7 8GP_P3V3_GP2 GP_P3V3_GP6
9 GP_P3V3_GP3 10 GP_P3V3_GP7
1
1. General Purpose
Header
37
Chapter 2: Installation
LED1
JCOM1: COM1/COM2 J3: AUDIO FP
BT1
LVDS1
JMP1
JGP1
JF1
JMD1
SRW1
SRW2
JPWR1
JLAN1LED1
JLAN1
JHDMI1
I-SATA1
JUSB1
JUSB2
JLCDPWR1
USB 0/1
USB 2/3
JLPC
A2SAP-L1
REV:1.00
DESIGNED IN USA
1
1. Mini PCIe
Mini PCIe Slot
The Mini PCIe slot, located at JMP1 on the bottom side of the motherboard, is used to install
a compatible Mini PCIe device. The Mini PCIe slot supports modules which are USB or PCIe
x1 devices, such as wireless, GNSS, and Bluetooth modules. See the table below for pin
denitions.
Mini PCIe
Pin Denition
Pin# Pin#Denition Denition
52 +3.3Vaux 51 NC
50 GND 49 NC
48 +1.5V 47 NC
46 NC 45 NC
44 NC 43 NC
42 NC 41 +3.3Vaux
40 GND 39 NC
38 USB_D+ 37 GND
36 USB_D- 35 GND
34 GND 33 PETp0
32 SMB_DATA 31 PETn0
30 SMB_CLK 29 GND
28 +1.5V 27 GND
26 GND 25 PERp0
24 +3.3Vaux 23 PERn0
22 PERST# 21 DET_CARD_
PLUG
20 NC 19 NC
18 GND 17 NC
16 NC 15 GND
14 NC 13 REFCLK+
12 NC REFCLK-11
10 NC 9 GND
8 NC 7 CLKREQ#
6 1.5V 5 NC
4 GND 3 NC
2 3.3Vaux 1 WAKE#
38
Super A2SAP-L1 User's Manual
System Management Bus Header and SATA Power
A System Management Bus header for additional slave devices or sensors is located at
JSMBUS1 on the bottom side of the motherboard. This header also serves as a 5V/1A SATA
power box header. Refer to the table below for pin denitions.
Note: The SATA power cable is included in the retail package. The part number is
CBL-PWEX-1030.
SMBus Header
Pin Denition
Pin# Denition
1 SMB_CLK
2 SMB_DATA
3 GND
4 P5V
JSMBUS1
J5
CPU1
1
1. SMBus Header
Bottom Layout
39
Chapter 2: Installation
2.7 Jumper Settings
How Jumpers Work
To modify the operation of the motherboard, jumpers can be used to choose between optional
settings. Jumpers create shorts between two pins to change the function of the connector.
Pin 1 is identied with a square solder pad on the printed circuit board. See the diagram
below for an example of jumping pins 1 and 2. Refer to the motherboard layout page for
jumper locations.
Note: On two-pin jumpers, Closed means the jumper is on and Open means the
jumper is o the pins.
Connector
Pins
Jumper
Setting
3 2 1
3 2 1
40
Super A2SAP-L1 User's Manual
LED1
JCOM1: COM1/COM2 J3: AUDIO FP
BT1
LVDS1
JMP1
JGP1
JF1
JMD1
SRW1
SRW2
JPWR1
JLAN1LED1
JLAN1
JHDMI1
I-SATA1
JUSB1
JUSB2
JLCDPWR1
USB 0/1
USB 2/3
JLPC
A2SAP-L1
REV:1.00
DESIGNED IN USA
JLCDPWR1
LVDS VCC Power Source Selection
Use this jumper to select the power voltage for the LVDS panel. Make sure that the
specications of the cable is compatible with the panel to prevent damage. See the table
below for jumper setting information.
Force power on
Use jumper JLCDPWR1 (Pins 2-4/4-6) to select the FORCE POWER ON function when the
AC power cord is plugged in. When enabling force power on and AC power recovery, the
system will boot up automatically without pressing the power button. See the table below for
jumper setting information.
LVDS VCC Power Source Selection
Jumper Settings
Jumper Setting Denition
Pins 1-3 3.3V (Default)
Pins 3-5 5V
1. JLCDPWR1
FORCE POWER ON
Jumper Settings
Jumper Setting Denition
Pins 2-4
FORCE POWER ON (Default)
(when the AC power cord is
plugged)
Pins 4-6
POWER BUTTON ON
(when the AC power cord is
plugged)
1
41
Chapter 2: Installation
2.8 LED Indicators
LAN Port LED
There is one LAN port (JLAN1) on the I/O back panel of the motherboard. The LAN port has
two LEDs (located at JLAN1LED1) right next to it. The green LED indicates activity, while the
other Link LED may be green, amber, or o to indicate the speed of the connection.
LAN1 LED
(Connection Speed
Indicator)
LED Color Denition
O 10 Mb/s
Green 100 Mb/s
Amber 1 Gb/s
LED1
JCOM1: COM1/COM2 J3: AUDIO FP
BT1
LVDS1
JMP1
JGP1
JF1
JMD1
SRW1
SRW2
JPWR1
JLAN1LED1
JLAN1
JHDMI1
I-SATA1
JUSB1
JUSB2
JLCDPWR1
USB 0/1
USB 2/3
JLPC
A2SAP-L1
REV:1.00
DESIGNED IN USA
11. JLAN1 Port LED
2. Power LED
2
Power LED
LED1 is the Power LED. In S0 mode, this LED will be solid green. In S3/S4/S5 modes, this
LED will be solid red.
Onboard Power LED Indicator
LED Color Denition
O
System O
(power cable not
connected)
Solid Green S0 mode
Solid Red S3/S4/S5 modes
JLAN1LED1
Pin Denition
Pin Denition
1 I210ATX1_ACT_N
2 P3V35B_I210ATX1
3I210ATX1_1000_N
4 I210ATX1_100_N
Chapter 3: Troubleshooting
43
Memory Errors
1. Make sure that the DIMM modules are properly and fully installed.
2. Conrm that you are using the correct memory. Also, it is recommended that you use
the same memory type and speed for all DIMMs in the system. See Section 2.4 for
memory details.
3. Check for bad DIMM modules or slots by swapping modules between slots and noting
the results.
Losing the System's Setup Conguration
1. Make sure that you are using a high quality power supply. A poor quality power supply
may cause the system to lose the CMOS setup information. Refer to Section 1.5 for
details on recommended power supplies.
2. The battery on your motherboard may be old. Check to verify that it still supplies
~3VDC. If it does not, replace it with a new one.
3. If the above steps do not x the setup conguration problem, contact your vendor for
repairs.
When the System Becomes Unstable
A. If the system becomes unstable during or after OS installation, check the following:
1. Memory support: Make sure that the memory modules are supported by testing the
modules using memtest86 or a similar utility.
Note: Click on the Tested Memory List link on the motherboard product page to see
a list of supported memory.
2. HDD support: Make sure that all hard disk drives (HDDs) work properly. Replace the
bad HDDs with good ones.
3. Heatsink: Check that the heatsink is installed properly.
4. Adequate power supply: Make sure that the power supply provides adequate power to
the system. Make sure that all power connectors are connected. Please refer to our
website for more information on the minimum power requirements.
5. Proper software support: Make sure that the correct drivers are used.
Super A2SAP-L1 User's Manual
44
B. If the system becomes unstable before or during OS installation, check the following:
1. Source of installation: Make sure that the devices used for installation are working
properly, including boot devices such as CD/DVD and CD/DVD-ROM.
2. Cable connection: Check to make sure that all cables are connected and working
properly.
3. Using the minimum conguration for troubleshooting: Remove all unnecessary
components (starting with add-on cards rst), and use the minimum conguration (but
with a CPU and a memory module installed) to identify the trouble areas. Refer to the
steps listed in Section A above for proper troubleshooting procedures.
4. Identifying bad components by isolating them: If necessary, remove a component in
question from the chassis, and test it in isolation to make sure that it works properly.
Replace a bad component with a good one.
5. Check and change one component at a time instead of changing several items at the
same time. This will help isolate and identify the problem.
6. To nd out if a component is good, swap this component with a new one to see if the
system will work properly. If so, then the old component is bad. You can also install the
component in question in another system. If the new system works, the component is
good and the old system has problems.
Chapter 3: Troubleshooting
45
3.2 Technical Support Procedures
Before contacting Technical Support, please take the following steps. Also, note that as a
motherboard manufacturer, we do not sell directly to end-users, so it is best to rst check with
your distributor or reseller for troubleshooting services. They should know of any possible
problem(s) with the specic system conguration that was sold to you.
1. Please review the ‘Troubleshooting Procedures’ and 'Frequently Asked Questions'
(FAQs) sections in this chapter or see the FAQs on our website at http://www.
supermicro.com/FAQ/index.php before contacting Technical Support.
2. BIOS upgrades can be downloaded from our website at http://www.supermicro.com/
ResourceApps/BIOS_IPMI_Intel.html. Note: Not all BIOS can be ashed depending on
the modications to the boot block code.
3. If you still cannot resolve the problem, include the following information when contacting
us for technical support:
• Motherboard model and PCB revision number
• BIOS release date/version (this can be seen on the initial display when your system rst
boots up)
• System conguration
An example of a Technical Support form is posted on our website.
Distributors: For immediate assistance, please have your account number ready when
contacting our technical support department by e-mail.
Chapter 3: Troubleshooting
47
3.4 Battery Removal and Installation
Battery Removal
To remove the battery, follow the steps below:
1. Power o your system and unplug your power cable.
2. Remove the battery cable at the BT1 connector on the board.
3. Remove the battery.
Proper Battery Disposal
Please handle used batteries carefully. Do not damage the battery in any way; a damaged
battery may release hazardous materials into the environment. Do not discard a used battery
in the garbage or a public landll. Please comply with the regulations set up by your local
hazardous waste management agency to dispose of your used battery properly.
Battery Installation
1. Unplug the power cord.
2. Connect the battery cable into the battery connector (BT1) and push it down until you
hear a click to ensure that the cable is securely locked.
3. Use the foam tape on the back side of the battery to secure the battery to a at surface
on the bottom of the motherboard or a proper location in the system. DO NOT place the
battery on the heatsink.
Super A2SAP-L1 User's Manual
48
3.5 Returning Merchandise for Service
A receipt or copy of your invoice marked with the date of purchase is required before any
warranty service will be rendered. You can obtain service by calling your vendor for a Returned
Merchandise Authorization (RMA) number. When returning to the manufacturer, the RMA
number should be prominently displayed on the outside of the shipping carton and mailed
prepaid or hand-carried. Shipping and handling charges will be applied for all orders that
must be mailed when service is complete.
For faster service, RMA authorizations may be requested online (http://www.supermicro.com/
support/rma/).
This warranty only covers normal consumer use and does not cover damages incurred in
shipping or from failure due to the alteration, misuse, abuse or improper maintenance of
products.
During the warranty period, contact your distributor rst for any product problems.
Chapter 4: BIOS
49
Chapter 4
BIOS
4.1 Introduction
This chapter describes the AMIBIOS™ Setup utility for the A2SAP-L1 motherboard. The BIOS
is stored on a chip and can be easily upgraded using a ash program.
Note: Due to periodic changes to the BIOS, some settings may have been added or
deleted and might not yet be recorded in this manual. Refer to the Manual Download
area of our website for any changes to BIOS that may not be reected in this manual.
Starting the Setup Utility
To enter the BIOS Setup Utility, hit the <Delete> key while the system is booting-up. (In
most cases, the <Delete> key is used to invoke the BIOS setup screen. There are a few
cases when other keys are used, such as <F1>, <F2>, etc.) Each main BIOS menu option
is described in this manual.
The Main BIOS screen has two main frames. The left frame displays all the options that can
be congured. “Grayed-out” options cannot be congured. The right frame displays the key
legend. Above the key legend is an area reserved for a text message. When an option is
selected in the left frame, it is highlighted in white. Often a text message accompanies it.
(Note that BIOS has default text messages built in. We retain the option to include, omit, or
change any of these text messages.) Settings printed in are the default values.Bold
A " "indicates a submenu. Highlighting such an item and pressing the <Enter> key opens
the list of settings within that submenu.
The BIOS setup utility uses a key-based navigation system called hot keys. Most of these
hot keys (<F1>, <F10>, <Enter>, <ESC>, <Arrow> keys, etc.) can be used at any time during
the setup navigation process.
Super A2SAP-L1 User's Manual
52
4.3 Advanced
Use the arrow keys to select Advanced setup and press <Enter> to access the submenu items:
Warning: Take caution when changing the Advanced settings. An incorrect value, a very high
DRAM frequency or an incorrect BIOS timing setting may cause the system to malfunction.
When this occurs, restore the setting to the manufacture default setting.
Boot Feature
Quiet Boot
Use this feature to select the screen display between the POST messages and the OEM logo
upon bootup. Select Disabled to display the POST messages. Select Enabled to display the
OEM logo instead of the normal POST messages. The options are Disabled and Enabled
AddOn ROM Display Mode
Use this feature to set the display mode for the Option ROM. Select Keep Current to display
the current AddOn ROM setting. Select Force BIOS to use the Option ROM display set by
the system BIOS. The options are Force BIOS and Keep Current.
Bootup NumLock State
This feature selects the Power-on state for the Numlock key. The options are O and On.
Chapter 4: BIOS
53
Wait For "F1" If Error
This feature forces the system to wait until the F1 key is pressed if an error occurs. The
options are Disabled and Enabled.
INT19 Trap Response
Interrupt 19 is the software interrupt that handles the boot disk function. When this feature
is set to Immediate, the ROM BIOS of the host adapters will "capture" Interrupt 19 at boot
up immediately and allow the drives that are attached to these host adapters to function as
bootable disks. If this feature is set to Postponed, the ROM BIOS of the host adapters will not
capture Interrupt 19 immediately and allow the drives attached to these adapters to function
as bootable devices at boot up. The options are Immediate and Postponed.
Re-try Boot
If this feature is enabled, the BIOS automatically reboots the system from a specied boot
device after its initial boot failure. The options are Legacy Boot, and EFI Boot.Disabled,
Power Conguration
Watch Dog Function
If enabled, the Watch Dog Timer allows the system to reset or generate NMI based on jumper
settings when it is expired for more than ve minutes. The options are Disabled and Enabled.
Power Button Function
This feature controls how the system shuts down when the power button is pressed. Select 4
Seconds Override for the user to power o the system after pressing and holding the power
button for four seconds or longer. Select Instant O to instantly power o the system as soon
as the user presses the power button. The options are 4 Seconds OverrideInstant O and .
Restore on AC Power Loss
Use this feature to set the power state after a power outage. Select Stay Off for
the system power to remain o after a power loss. Select Power On for the system
power to be turned on after a power loss. Select Last State to allow the system to
resume its last power state before a power loss. The options are Stay O, Power On,
and Last State.
CPU Conguration
The following CPU information is displayed:
• Intel (R) Atom (TM) Processor E3940 @ 1.60GHz
• CPU Signature
• Microcode Patch
• Max CPU Speed
Super A2SAP-L1 User's Manual
54
• Min CPU Speed
• Processor Cores
• Intel HT Technology
• Intel VT-X Technology
• L1 Data Cache
• L1 Code Cache
• L2 Cache
• L3 Cache
• Speed
• 64-bit
CPU Power Management Conguration
EIST
Enhanced Intel SpeedStep Technology (EIST) allows the system to automatically adjust
processor voltage and core frequency in an eort to reduce power consumption and
heat dissipation. Please refer to Intel’s website for detailed information. The options are
Disabled and Enabled.
Turbo Mode
Select Enable for processor cores to run faster than the frequency specied by the
manufacturer. The options are Disabled and Enabled.
Boot Performance Mode
This feature allows you to select the performance state that the BIOS will set before the
operating system hando. The options are Max Power Saving and Max Performance.
Power Limit 1 Eanble
Use this feature to enable or disable Power Limit 1. The options are Disabled and En-
abled.
Power Limit 1
Use this feature to set the power limit 1, in milliwatts. When the limit is exceeded, the CPU
ratio is lowered after a period of time (see Power Limit 1 Time Window below). A lower
limit can save power and protect the CPU, while a higher limit improves performance.
This value must be between Min Power Limit TDP limit. Use the number keys on your
keyboard to enter the value. The default setting is 9.
Super A2SAP-L1 User's Manual
56
Chipset Conguration
Warning: Setting the wrong values in the following sections may cause the system to malfunc-
tion.
North Bridge
Graphics Conguration
GOP driver
Enable GOP Diver will unload VBIOS; disable it will load VBIOS. The options are Dis-
able and Enable.
LVDS Panel Support
Use this feature to select the supported IGFX graphics device ouput to the LVDS panel.
The options are and Enabled.Disabled
IGD Conguration
Integrated Graphics Device
This feature allows you to enable or disable Integrated Graphics Device (IGD).The op-
tions are Disable and Enable.
Primary Display
Use this feature to select the graphics device to be used as the primary display. The
options are and PCIE.IGD
RC6 (Render Standby)
Select Enable to enable render standby support.The options are Disable and Enable.
GTT Size
Use this feature to set the memory size to be used by the graphics translation table
(GTT). The options are 2MB, 4MB, and 8MB.
Aperture Size
Use this feature to set the Aperture size, which is the size of system memory reserved
by the BIOS for graphics device use. The default setting is 256MB.
DVMT Pre-Allocated
Dynamic Video Memory Technology (DVMT) allows dynamic allocation of system memory
to be used for video devices to ensure best use of available system memory based on
the DVMT 5.0 platform. The options are , 96M, 128M, 160M, 192M, 224M, 256M, 64M
288M, 320M, 352M, 384M, 416M, 448M, 480M, and 512M.
Chapter 4: BIOS
57
DVMT Total Gfx Mem
Use this feature to set the total memory size to be used by internal graphics devices
based on the DVMT 5.0 platform. The options are 128MB, and MAX.256MB,
GT PM Support
Use this feature to enable the IGFX Power Management function. The options are En-
able and Disable.
PAVP Enable
Use this feature to enable or disable the protected audio video path (PAVP). The options
are Disable or Enable.
Memory Information
Memory Slot0: 4096 MB (DDR3L)
Max TOLUD
This feature sets the maximum TOLUD value, which species the "Top of Low Usable
DRAM" memory space to be used by internal graphics devices, GTT Stolen Memory, and
TSEG, respectively, if these devices are enabled. The options are 2 GB, 2.25 GB, 2.5 GB,
2.75 GB, and 3 GB.
South Bridge
HD-Audio Conguration
This menu allows you to congure HD-Audio settings.
HD-Audio Support
Use this feature to enable or disable HD-Audio Support The options are Disable and
Enable.
PCI Express Conguration
PCI Express Conguration
Advanced Error Reporting
Use this feature to enable or disable Advanced Error Reporting. The options are Disable
and Enable.
Super A2SAP-L1 User's Manual
58
M.2 Slot B-key
ASPM
Use this feature to set the Active State Power Management (ASPM) level for a PCI-E
device. Select Auto for the system BIOS to automatically set the ASPM level based on
the system conguration. Select Disabled to disable ASPM support. The options are
Disable, L0s, L1, L0sL1, and Auto.
PCIe Speed
Use this feature to congure the PCI Express speed. The options are Auto, Gen1, and
Gen2.
I210
ASPM
Use this feature to set the Active State Power Management (ASPM) level for a PCI-E
device. Select Auto for the system BIOS to automatically set the ASPM level based on
the system conguration. Select Disabled to disable ASPM support. The options are
Disable, L0s, L1, L0sL1, and Auto.
PCIe Speed
Use this feature to congure the PCI Express speed. The options are Auto, Gen1, and
Gen2.
Mini PCIe
ASPM
Use this feature to set the Active State Power Management (ASPM) level for a PCI-E
device. Select Auto for the system BIOS to automatically set the ASPM level based on
the system conguration. Select Disabled to disable ASPM support. The options are
Disable, L0s, L1, L0sL1, and Auto.
PCIe Speed
Use this feature to congure the PCI Express speed. The options are Auto, Gen1, and
Gen2.
Super A2SAP-L1 User's Manual
60
ACPI Settings
ACPI Sleep State
This feature selects the ACPI Sleep State that the system will enter into when the suspend
button is activated. The options are Suspend Disabled and S3 (Suspend to RAM).
High Precision Timer
Select Enabled to activate the High Performance Event Timer (HPET) that produces periodic
interrupts at a much higher frequency than a Real-time Clock (RTC) does in synchronizing
multimedia streams, providing smooth playback and reducing the dependency on other
timestamp calculation devices, such as an x86 RDTSC Instruction embedded in the CPU.
The High Performance Event Timer is used to replace the 8254 Programmable Interval Timer.
The options are and Disable.Enable
Headless Support
Use this feature to enable or disable ACPI OS which can indicate the system cannot detect
the monitor or keyboard/mouse devices. The options are Disabled and Enabled.
SATA Device Type
Use this feature to specify if the specied SATA port should be connected to a Solid State
Drive or a Hard Disk Drive. The options are and Solid State Drive. Hard Disk Drive
I-SATA1 DevSlp
Use this feature to enable or disable I-SATA1 DevSlp. The options are and Disabled
Enabled.
Termékspecifikációk
| Márka: | Supermicro |
| Kategória: | alaplap |
| Modell: | A2SAP-L1 |
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