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USER’S MANUAL
Revision 1.0c
A3SEV-2C/4C-LN4
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 1.0c
Release Date: May 08, 2023
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 © 2023 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 A3SEV-2C/4C-LN4 motherboard.
About This Motherboard
The A3SEV-2C/4C-LN4 motherboard provides powerful graphics and increased media
processing performance with multi-frame technology. Paired with the Intel® Atom® SoC
(System-on-Chip) processor, the A3SEV-2C/4C-LN4 delivers more computing power for faster
memory speeds and bandwidth while maintaining energy eciency. Utilizing Intel TCC (Time
Coordinated Computing) Technology, the motherboard 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
Super A3SEV-2C/4C-LN4 User's Manual
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)
Sales-USA@supermicro.com (Sales Inquiries)
Government_Sales-USA@supermicro.com (Gov. Sales Inquiries)
Support@supermicro.com (Technical Support)
RMA@supermicro.com (RMA Support)
Webmaster@supermicro.com (Webmaster)
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_Europe@supermicro.com (General Information)
Support_Europe@supermicro.com (Technical Support)
RMA_Europe@supermicro.com (RMA 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: Sales-Asia@supermicro.com.tw (Sales Inquiry)
Support@supermicro.com.tw (Technical Support)
RMA@supermicro.com.tw (RMA Support)
Website: www.supermicro.com.tw
5
Table of Contents
Chapter 1 Introduction
1.1 Checklist ...............................................................................................................................7
1.2 Processor Overview ...........................................................................................................16
1.3 Special Features ................................................................................................................16
1.4 ACPI Features ....................................................................................................................17
1.5 Power Supply .....................................................................................................................17
1.6 Super I/O ............................................................................................................................17
1.7 Advanced Power Management ..........................................................................................18
Management Engine (ME) ................................................................................................18
Chapter 2 Installation
2.1 Static-Sensitive Devices .....................................................................................................19
Precautions .......................................................................................................................19
Unpacking .........................................................................................................................19
2.2 Motherboard Installation .....................................................................................................20
Tools Needed ....................................................................................................................20
Location of Mounting Holes ..............................................................................................20
Installing the Motherboard.................................................................................................21
2.3 Memory Support and Installation .......................................................................................22
Memory Support ................................................................................................................22
SO-DIMM Installation ........................................................................................................23
SO-DIMM Removal ...........................................................................................................23
2.4 Rear I/O Ports ....................................................................................................................24
2.5 Front Control Panel ............................................................................................................28
2.6 Connectors .........................................................................................................................32
Power Connections ...........................................................................................................32
Headers .............................................................................................................................34
2.7 Jumper Settings .................................................................................................................45
How Jumpers Work ...........................................................................................................45
2.8 LED Indicators ....................................................................................................................50
Chapter 3 Troubleshooting
3.1 Troubleshooting Procedures ..............................................................................................51
Before Power On ..............................................................................................................51
Preface
6
No Power ..........................................................................................................................51
No Video ...........................................................................................................................52
System Boot Failure .......................................................................................................52
Memory Errors ..................................................................................................................52
Losing the System's Setup Conguration .........................................................................53
When the System Becomes Unstable ..............................................................................53
3.2 Technical Support Procedures ...........................................................................................55
3.3 Frequently Asked Questions ..............................................................................................56
3.4 Battery Removal and Installation .......................................................................................57
Battery Removal ................................................................................................................57
Proper Battery Disposal ....................................................................................................57
Battery Installation .............................................................................................................57
3.5 Returning Merchandise for Service ....................................................................................58
Chapter 4 BIOS
4.1 Introduction .........................................................................................................................59
Starting the Setup Utility ...................................................................................................59
4.2 Main ....................................................................................................................................60
4.3 Advanced ............................................................................................................................61
4.4 Security ...............................................................................................................................85
4.5 Boot ....................................................................................................................................90
4.6 Save & Exit .........................................................................................................................92
Appendix A BIOS Codes
Appendix B Software Installation
B.1 Installing Software Programs .............................................................................................96
B.2 SuperDoctor® 5 ...................................................................................................................97
Appendix C Standardized Warning Statements
Battery Handling ................................................................................................................98
Product Disposal .............................................................................................................100
Appendix D UEFI BIOS Recovery
D.1 Overview ...........................................................................................................................101
D.2 Recovering the UEFI BIOS Image ...................................................................................101
D.3 Recovering the BIOS Block with a USB Device ..............................................................101
Super A3SEV-2C/4C-LN4 User's Manual
7
Chapter 1: Introduction
Main Parts List (Retail Single Package)
Description QuantityPart Number
Motherboard A3SEV-2C/4C-LN4 1
SATA data cable (25cm) CBL-0044L 2
Quick Reference Guide MNL-2355-QRG 1
Chapter 1
Introduction
Congratulations on purchasing your computer motherboard from an industry leader. Supermicro
boards are 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.
• Supermicro 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/wdl/utility/Lot9_Secure_Data_Dele-
tion_Utility/
• If you have any questions, please contact our support team at: support@supermicro.com
This manual may be periodically updated without notice. Please check the Supermicro website
for possible updates to the manual revision level.
8
Super A3SEV-2C/4C-LN4 User's Manual
Figure 1-1. A3SEV-2C-LN4 Motherboard Image
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.
9
Chapter 1: Introduction
JSMB1
JPAC1
MH4
FAN1
JSTBY1
JPME2
JPH1
BT1
JPUSB1
FANA
JD1JP1
MH3
MH2
JPL4
JEDP1
DIMMB1
DIMMA1
JL1
JSD1
I-SATA0
JTPM1
JMD2
LED2
I-SATA1
JMD2_SRW1
JPV1
JPWR1
U2
JITP1
JSIM1
JGP1
JMD1
JF1
59
2
30
19
19
2
12
24
2
BAR CODE
REV:1.00
A3SEV-2C-LN4
DESIGNED IN USA
BIOS LICENSE
JPL4:
M.2-H PCI-E 3.0 X2/I-SATA0 M.2-P PCI-E 3.0 X1
2-3:DISABLE
PCH SLOT1 PCI-E 3.0 X2 (IN X8)
USB6/7(3.1)
AUDIO FP
1-2:ENABLE
COM3/4
POWER
X OH/FF
JF1
2-3:DISABLE
1-2:ENABLE
NIC
1
NIC
2
PWR
DEL DEL
HDD
CPU
USB0/1
LAN3/4 LAN1/2
1-2:NORMAL
:SUPER DOM
VGA
RST
PWR
ON
JPUSB1:
1-4:SPEAKER
1-2:ENABLE
JPT1:
2-3:DISABLE
HDMI/DP
USB4/5
USB2/3
COM1/2
JPAC1:
USB0/1 WAKE UP
DOM
2-3:ME MANUFACTURING MODE
1-2:ENABLE
JPME2:
2-3:DISABLE
SATA
MH1
JPT1
JBT1
Figure 1-2. Motherboard Layout
(not drawn to scale)
Note: Components not documented are for internal testing only.
10
Super A3SEV-2C/4C-LN4 User's Manual
JSMB1
JPAC1
MH4
FAN1
JSTBY1
JPME2
JPH1
BT1
JPUSB1
FANA
JD1JP1
MH3
MH2
JPL4
JEDP1
DIMMB1
DIMMA1
JL1
JSD1
I-SATA0
JTPM1
JMD2
LED2
I-SATA1
JMD2_SRW1
JPV1
JPWR1
U2
JITP1
JSIM1
JGP1
JMD1
JF1
59
2
30
19
19
2
12
24
2
BAR CODE
REV:1.00
A3SEV-2C-LN4
DESIGNED IN USA
BIOS LICENSE
JPL4:
M.2-H PCI-E 3.0 X2/I-SATA0 M.2-P PCI-E 3.0 X1
2-3:DISABLE
PCH SLOT1 PCI-E 3.0 X2 (IN X8)
USB6/7(3.1)
AUDIO FP
1-2:ENABLE
COM3/4
POWER
X OH/FF
JF1
2-3:DISABLE
1-2:ENABLE
NIC 1
NIC
2PWR
DEL DEL
HDD
CPU
USB0/1
LAN3/4 LAN1/2
1-2:NORMAL
:SUPER DOM
VGA
RST
PWR
ON
JPUSB1:
1-4:SPEAK R
1-2:ENABLE
JPT1:
2-3:DISABLE
HDMI/DP
USB4/5
USB2/3
COM1/2
JPAC1:
USB0/1 WAKE UP
DOM
2-3:ME MANUFACTURING MODE
1-2:ENABLE
JPME2:
2-3:DISABLE
SATA
MH1
JPT1
JBT1
Quick Reference
Notes:
• See Chapter 2 for detailed information on jumpers, I/O ports, and JF1 front panel con-
nections.
• " " indicates the location of Pin 1.
• Jumpers/LED indicators not indicated are used for testing only.
• Use only the correct type of onboard CMOS battery as specied by the manufacturer.
USB0/1
JPL4
SLOT1
JPME2
LAN3/4
JPV1
JMD2_SRW1
JSMB1
JSIM1
I-SATA1
JPH1
COM1/2
USB2/3
BT1
FANA
JPUSB1
JD1
JPWR1
USB6/7
LAN1/2
VGA
JPAC1
LED2
AUDIO FP
HDMI/DP
FAN1
JSTBY1
JBT1
COM3/4
JPT1
JGP1
JF1
JMD2
USB4/5
JEDP1
JMD1
JTPM1
JSD1
I-SATA0
JL1
JP1
11
Chapter 1: Introduction
Quick Reference Table
Jumper Description Default Setting
JBT1 CMOS Clear Open: Normal
JP1 SIM Detection Pins 1-2 (High Active)
JPAC1 Audio Enable/Disable Pins 1-2 (Enabled)
JPL4 LAN4 Enable/Disable Pins 1-2 (Enabled)
JPME2 ME Manufacturing Mode Pins 1-2 (Normal)
JPT1 Onboard TPM Enable/Disable Pins 1-2 (Enabled)
JPUSB1 USB0/1 Wake Up Pins 1-2 (Enabled)
LED Description Status
LED2 Power LED Solid Green: Power On
Connector Description
AUDIO FP Front Panel Audio Header
BT1 Onboard Battery
COM1/2, COM3/4 COM Headers
FAN1, FANA System Fan Headers
HDMI/DP High Denition Multimedia Interface/DisplayPort
I-SATA0, I-SATA1 SATA 3.0 Port (I-SATA0: SuperDOM)
JD1 Speaker/Buzzer (Pins 1-4: Speaker)
JEDP1 Extended DisplayPort
JF1 Front Control Panel Header
JGP1 General Purpose I/O Header
JL1 Chassis Intrusion Header
JMD1 M.2 B-Key 2280/3042 (PCIe 3.0 x2/SATA/USB3.1) Slot
*SATA mux with I-SATA0
JMD2 M.2 E-Key 2230 (PCIe 3.0 x1/USB2.0) Slot
JMD2_SRW1 M.2 Mounting Screw
JPH1 4-pin Power Connector (for HDD)
JPV1 4-pin 12V DC Power Connector
JPWR1 24-pin ATX Power Connector
JSD1 SATA DOM Power Connector
JSIM1 Nano SIM Card Slot
JSMB1 System Management Bus Header
JSTBY1 Standby Power Header
JTPM1 Trusted Platform Module (TPM)/Port80 Header
LAN1/2, LAN3/4 Gigabit Ethernet RJ45 Ports
SLOT1 PCH SLOT1 PCIe 3.0 p11-x2 (IN x8) Slot
12
Super A3SEV-2C/4C-LN4 User's Manual
Connector Description
USB0/1 Back Panel USB 2.0 Ports
USB2/3, USB4/5 USB 2.0 Headers
USB6/7 Back Panel USB 3.1 Ports
VGA VGA Port
13
Chapter 1: Introduction
Note: The table above is continued on the next page.
Motherboard Features
CPU
• A3SEV-2C-LN4 supports an Intel Atom x6211E 2 Core Processor
• A3SEV-4C-LN4 supports an Intel Atom x6425E 4 Core Processor
Memory
• Supports up to 32GB of DDR4 Non-ECC SO-DIMM with speeds of up to 3200MT/s in two slots
DIMM Size
• 8GB, 16GB
Expansion Slots
• One PCIe 3.0 p13-x2 (IN x8) Slot
• One M.2 B-Key for PCIe 3.0 x2/SATA/USB 3.0 (2280/3042), SATA mux with I-SATA0
• One M.2 E-Key for PCIe 3.0 x1/USB 2.0 (2230)
*Due to the motherboard dimensions, there is a size limitation for the PCIe card. If you use the COM port and PCIe slot
simultaneously, the recommended PCIe card size is p13-x8 or smaller.
Network
• One Gigabit Ethernet via Intel I210-IT Controller
• Three Gigabit Ethernet via SoC [Marvell 88E1512 PHY]
Graphics
• Intel UHD Graphics
I/O Devices
• • COM Ports Four serial ports (COM1/2, COM3/4)
• SATA Ports Two SATA 3.0 ports (I-SATA0, I-SATA1)•
• Audio Header
• One HD Audio header with Mic-in/Headphone-out (Realtek ALC888S)
(audio on A3SEV only supports 0-60
OC)
• • SMBus Header One SMBus header
Peripheral Devices
• Two USB 2.0 ports on the rear I/O panel (USB0/1)
• Two USB 3.1 ports on the rear I/O panel (USB6/7)
• Four USB 2.0 ports via headers (USB2/3, USB4/5)
BIOS
• 256Mb SPI AMI BIOS®
• ACPI 3.0 or later, SMBIOS 2.7 or later, PCI F/W 3.0, BIOS rescue hot-key, RTC (Real Time Clock) wakeup
Motherboard Features
14
Super A3SEV-2C/4C-LN4 User's Manual
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
• RTC Battery (typical voltage: 3.0V, normal discharge capacity: 220mAh)
System Health Monitoring
• Onboard voltage monitoring for +3.3V, +5V, +12V, 3.3V standby, 3.3VCC, P12V, P5V, VCPU (PVCCIN), PVDDQ, Vcore,
Vmem, VBAT, VSB
• CPU switching phase voltage regulator
• CPU thermal trip support
Fan Control
• 4-pin fan headers
• Dual Zone Fan Control
System Management
• Trusted Platform Module (TPM) 2.0 support
• SuperDoctor® 5, Watch Dog, RoHS
LED Indicators
• Power/Suspend-state indicator LED
• Fan Fail LED
Mechanical Specication
• Mini ITX, Dimensions: 6.7" (L) x 6.7" (W) (170.18mm x 170.18mm)
Environment
• Operating Temperature Range: -30
oC~70oC
Note 1: 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.
15
Chapter 1: Introduction
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 1-3.
System Block Diagram
HDMI
USB 3.1
PCIE0[0]
(HSIO4)
eDP
MAX. 32G SO-DIMM SUPPORTED
DDR4 3200 MHz
NONECC-SODIMM0
DDI0
SATA[1]
(HSIO11)
DP
FLASH
SPI 256Mb
FSPI
(PCH)
HD Audio
REALTEK
ALC888S-VD2-GR
FRONT AUDIO
USB 3.1
USB3.1[1]
(HSIO1)
Rear USB2.0 connector (USB 4)
Rear USB2.0 connector (USB 3)
480Mb/s
480Mb/s
USB2.0[1]
DDI1
USB2.0[2]
USB2.0[6]
USB2.0[3]
USB2.0[4]
USB2.0[5]
eSPI
SIO
NCT 6126D
Audio
PCIE3[0/1]
(HSIO6/7)
eDP connector
TI
HD3SS214ZQER
USB2.0 HEADER 5/6
USB 2.0
USB 2.0 VGA
VGA connector
Either one
NONECC-SODIMM1
PCIE p15-x8 Slot
SATA3 6Gb/s
M.2(B Key)
SATA[0]
(HSIO10)
PCIE2[0:1]
(HSIO2:3) 8.0GT/s or 5Gb/s
PCIe Gen3 p15-x2 / USB 3.1
CHRONTEL
CH7517
Rear USB3.1 connector (USB 2)
Rear USB3.1 connector (USB 1)
10Gbps
480Mb/s
480Mb/s
USB2.0[7]
USB2.0[8]
SP339E
SP339E
COM 1/2 HEADER
SP339E
SP339E
8-bit
GPIO HEADER
NXP
PCA9554PW
SPI
SMBus
8.0GT/s
PCIe Gen3 x1
8.0GT/s
PCIe Gen3 x2
CBTL02043A
SATA0
SATA3 6Gb/s
SATA1
USB3.1[0]
(HSIO0)
USB2.0[0]
USB2.0 HEADER 7/8
M.2(E Key)
10Gbps
1G
LAN1/2
1G
LAN3/4
USB2.0[9]
480Mb/s
Onboard TPM Port 80/
Debug header
480Mb/s
CBTL02043A
DDI2
TI
SN65DP159
HDMI 2.0b connector
DP 1.4 connector
HDMI
DP
w/ INB-ECC
COM 3/4 HEADER
GLAN2
RJ45
Marvell
88E1512
Marvell
88E1512
GLAN1
RJ45
5.0GT/s
SGMII
5.0GT/s
RGMII
(GPIO)
PSE0
PSE1
(HSIO9)
SGMII
GLAN3
RJ45
Marvell
88E1512
HOST0
(HSIO8) 5.0GT/s
PCIE0[1]
(HSIO5)
GLAN4
RJ45
INTEL
I210-IT
10M/100M/1000M bps
JTPM1
HEADER
I/O PANEL
LAYOUT
Intel
16
Super A3SEV-2C/4C-LN4 User's Manual
1.2 Processor Overview
Built upon the functionality and capability of the Intel Atom SoC series processor, the
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 drastically increases system performance for
a multitude of server applications.
The A3SEV-2C/4C-LN4 supports the following features:
• Intel Virtualization Technology for Directed I/O (Intel VT-d)
• Enhanced Intel SpeedStep® Technology
• Adaptive Thermal Management/Monitoring
• Gen3 SATA ports with transfer rates of up to 6Gb/s
• System Management Bus (SMBus) Specication, Version 2.0
• M.2 slot with B-key 2280/3042 and E-key 2230 modules
• TPM2.0 (Trusted Platform Module) onboard
1.3 Special Features
This section describes the health monitoring features of the 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.
17
Chapter 1: Introduction
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 IOT.
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 (NCT6126D chip) provides four high-speed, 16550 compatible serial
communication ports (UARTs), one of which supports serial infrared communication. Each
UART includes a 128 byte send/receive FIFO, a programmable baud rate generator, complete
modem control capability and a processor interrupt system. 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).
18
Super A3SEV-2C/4C-LN4 User's Manual
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.
19
Chapter 2: Installation
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. Do
not install the CMOS battery upside down, which may result in a possible explosion.
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.
20
Super A3SEV-2C/4C-LN4 User's Manual
JSMB1
JPAC1
MH4
FAN1
JSTBY1
JPME2
JPH1
BT1
JPUSB1
FANA
JD1JP1
MH3
MH2
JPL4
JEDP1
DIMMB1
DIMMA1
JL1
JSD1
I-SATA0
JTPM1
JMD2
LED2
I-SATA1
JMD2_SRW1
JPV1
JPWR1
U2
JITP1
JSIM1
JGP1
JMD1
JF1
59
2
30
19
19
2
12
24
2
BAR CODE
REV:1.00
A3SEV-2C-LN4
DESIGNED IN USA
BIOS LICENSE
JPL4:
M.2-H PCI-E 3.0 X2/I-SATA0 M.2-P PCI-E 3.0 X1
2-3:DISABLE
PCH SLOT1 PCI-E 3.0 X2 (IN X8)
USB6/7(3.1)
AUDIO FP
1-2:ENABLE
COM3/4
POWER
X OH/FF
JF1
2-3:DISABLE
1-2:ENABLE
NIC 1
NIC
2PWR
DEL DEL
HDD
CPU
USB0/1
LAN3/4 LAN1/2
1-2:NORMAL
:SUPER DOM
VGA
RST
PWR
ON
JPUSB1:
1-4:SPEAKER
1-2:ENABLE
JPT1:
2-3:DISABLE
HDMI/DP
USB4/5
USB2/3
COM1/2
JPAC1:
USB0/1 WAKE UP
DOM
2-3:ME MANUFACTURING MODE
1-2:ENABLE
JPME2:
2-3:DISABLE
SATA
MH1
JPT1
JBT1
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
21
Chapter 2: Installation
Installing the Motherboard
1. Locate the mounting holes on the motherboard. See the previous page for the location.
2. Locate the matching mounting holes on the chassis. Align the mounting holes on the
motherboard against the mounting holes on the chassis.
3. Install standos in the chassis as needed.
4. Install the motherboard into the chassis carefully to avoid damaging other motherboard
components.
5. Using the Phillips screwdriver, insert a Phillips head #6 screw into a mounting hole on
the motherboard and its matching mounting hole on the chassis.
6. Repeat Step 5 to insert #6 screws into all mounting holes.
7. Make sure that the motherboard is securely placed in the chassis.
Note: Images displayed are for illustration only. Your chassis or components might
look dierent from those shown in this manual.
22
Super A3SEV-2C/4C-LN4 User's Manual
JSMB1
JPAC1
MH4
FAN1
JSTBY1
JPME2
JPH1
BT1
JPUSB1
FANA
JD1JP1
MH3
MH2
JPL4
JEDP1
DIMMB1
DIMMA1
JL1
JSD1
I-SATA0
JTPM1
JMD2
LED2
I-SATA1
JMD2_SRW1
PV1
JPWR1
U2
JITP1
JSIM1
JGP1
JMD1
JF1
59
2
30
19
19
2
12
2
BAR CODE
REV:1.00
A3SEV-2C-LN4
DESIGNED IN USA
BIOS LICENSE
JPL4:
M.2-H PCI-E 3.0 X2/I-SATA0 M.2-P PCI-E 3.0 X1
2-3:DISABLE
PCH SLOT1 PCI-E 3.0 X2 (IN X8)
USB6/7(3.1)
AUDIO FP
1-2:ENABLE
COM3/4
POWER
X OH/FF
JF1
2-3:DISABLE
1-2:ENABLE
NIC
1
NIC
2
PWR
DEL DEL
HDD
CPU
USB0/1
LAN3/4 LAN1/2
1-2:NORMAL
:SUPER DOM
VGA
RST
PWR
ON
JPUSB1:
1-4:SPEAKER
1-2:ENABLE
JPT1:
2-3:DISABLE
HDMI/DP
USB4/5
USB2/3
COM1/2
JPAC1:
USB0/1 WAKE UP
DOM
2-3:ME MANUFACTURING MODE
1-2:ENABLE
JPME2:
2-3:DISABLE
SA
MH1
JPT1
JBT1
2.3 Memory Support and Installation
Note: Check the Supermicro website for recommended memory modules.
Important: Exercise extreme care when installing or removing DIMM modules to pre-
vent any possible damage.
Memory Support
The A3SEV-2C/4C-LN4 motherboard supports up to 32GB of DDR4 Non-ECC SO-DIMM with
speeds of up to 3200MT/s in two slots.
23
Chapter 2: Installation
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.
24
Super A3SEV-2C/4C-LN4 User's Manual
JSMB1
JPAC1
MH4
FAN1
JSTBY1
JPME2
JPH1
BT1
JPUSB1
FANA
JD1JP1
MH3
MH2
JPL4
JEDP1
DIMMB1
DIMMA1
JL1
JSD1
I-SATA0
JTPM1
JMD2
LED2
I-SATA1
JMD2_SRW1
JPV1
JPWR1
U2
JITP1
JSIM1
JGP1
JMD1
JF1
59
2
30
19
19
2
12
24
2
BAR CODE
REV:1.00
A3SEV-2C-LN4
DESIGNED IN USA
BIOS LICENSE
JPL4:
M.2-H PCI-E 3.0 X2/I-SATA0 M.2-P PCI-E 3.0 X1
2-3:DISABLE
PCH SLOT1 PCI-E 3.0 X2 (IN X8)
USB6/7(3.1)
AUDIO FP
1-2:ENABLE
COM3/4
POWER
XOH/FF
JF1
2-3:DISABLE
1-2:ENABLE
NIC
1
NIC
2
PWR
DEL DEL
HDD
CPU
USB0/1
LAN3/4 LAN1/2
1-2:NORMAL
:SUPER DOM
VGA
RST
PWR
ON
JPUSB1:
1-4:SPEAKER
1-2:ENABLE
JPT1:
2-3:DISABLE
HDMI/DP
USB4/5
USB2/3
COM1/2
JPAC1:
USB0/1 WAKE UP
DOM
2-3:ME MANUFACTUR ING MODE
1-2:ENABLE
JPME2:
2-3:DISABLE
SATA
MH1
JPT1
JBT1
2.4 Rear I/O Ports
See Figure 2-1 below for the locations and descriptions of the various I/O ports on the rear
of the motherboard.
Figure 2-1. I/O Port Locations and Denitions
1
4
7
6
53
2
Rear I/O Ports
# # #Description Description Description
1 5 9HDMI USB0 (2.0) LAN3
2 6DP USB1 (2.0) 10 LAN4
3 7USB6 (3.1) LAN1 VGA11
4 8USB7 (3.1) LAN2
9
810
11
25
Chapter 2: Installation
JSMB1
JPAC1
MH4
FAN1
JSTBY1
JPME2
JPH1
BT1
JPUSB1
FANA
JD1JP1
MH3
MH2
JPL4
JEDP1
DIMMB1
DIMMA1
JL1
JSD1
I-SATA0
JTPM1
JMD2
LED2
I-SATA1
JMD2_SRW1
JPV1
JPWR1
U2
JITP1
JSIM1
JGP1
JMD1
JF1
59
2
30
19
19
2
12
24
2
BAR CODE
REV:1.00
A3SEV-2C-LN4
DESIGNED IN USA
BIOS LICENSE
JPL4:
M.2-H PCI-E 3.0 X2/I-SATA0 M.2-P PCI-E 3.0 X1
2-3:DISABLE
PCH SLOT1 PCI-E 3.0 X2 (IN X8)
USB6/7(3.1)
AUDIO FP
1-2:ENABLE
COM3/4
POWER
X OH/FF
JF1
2-3:DISABLE
1-2:ENABLE
NIC 1
NIC
2PWR
DEL DEL
HDD
CPU
USB0/1
LAN3/4 LAN1/2
1-2:NORMAL
:SUPER DOM
VGA
RST
PWR
ON
JPUSB1:
1-4:SPEAKER
1-2:ENABLE
JPT1:
2-3:DISABLE
HDMI/DP
USB4/5
USB2/3
COM1/2
JPAC1:
USB0/1 WAKE UP
DOM
2-3:ME MANUFACTURING MODE
1-2:ENABLE
JPME2:
2-3:DISABLE
SATA
MH1
JPT1
JBT1
VGA Port
A video (VGA) port is located on the I/O back panel. Refer to the board layout below for the
location.
1
2
1. VGA Port
2. HDMI Port
3. DP
HDMI
One HDMI (High Denition Multimedia Interface) port is on the I/O back panel. This connector
is used to display both high denition video and digital sound through an HDMI-capable
display, using a single HDMI cable (not included).
DP (DisplayPort)
There is one DisplayPort on the I/O back panel. DisplayPort, developed by the VESA
consortium, delivers digital display and fast refresh rate. It can connect to virtually any display
using a DisplayPort adaptor for devices such as VGA, DVI, or HDMI.
3
26
Super A3SEV-2C/4C-LN4 User's Manual
LAN1/3 Port
Pin Denition
Pin# Pin#Denition Denition
A1 TD1+ YEL-A11
A2 TD1- A12 YEL+
A3 TD2+ A13 GRN-/ORG+
A4 TD2- A14 GRN+/ORG-
A5 CT_VCC A15
A6 CT_VCC A16
A7 TD3+ A17
A8 TD3- A18
A9 TD4+ A19
A10 TD4- A20
LAN Ports
There are four 1GbE LAN ports (LAN1 - LAN4) on the I/O back panel. These ports accept
RJ45 type cables. Please refer to the LED Indicator section for LAN LED information. See
the table below for pin dentions.
JSMB1
JPAC1
MH4
FAN1
JSTBY1
JPME2
JPH1
BT1
JPUSB1
FANA
JD1JP1
MH3
MH2
JPL4
JEDP1
DIMMB1
DIMMA1
JL1
JSD1
I-SATA0
JTPM1
JMD2
LED2
I-SATA1
JMD2_SRW1
JPV1
JPWR1
U2
JITP1
JSIM1
JGP1
JMD1
JF1
59
2
30
19
19
2
12
24
2
BAR CODE
REV:1.00
A3SEV-2C-LN4
DESIGNED IN USA
BIOS LICENSE
JPL4:
M.2-H PCI-E 3.0 X2/I-SATA0 M.2-P PCI-E 3.0 X1
2-3:DISABLE
PCH SLOT1 PCI-E 3.0 X2 (IN X8)
USB6/7(3.1)
AUDIO FP
1-2:ENABLE
COM3/4
POWER
XOH/FF
JF1
2-3:DISABLE
1-2:ENABLE
NIC 1
NIC
2PWR
DEL DEL
HDD
CPU
USB0/1
LAN3/4 LAN1/2
1-2:NORMAL
:SUPER DOM
VGA
RST
PWR
ON
JPUSB1:
1-4:SPEAKER
1-2:ENABLE
JPT1:
2-3:DISABLE
HDMI/DP
USB4/5
USB2/3
COM1/2
JPAC1:
USB0/1 WAKE UP
DOM
2-3:ME MANUFACTURING MODE
1-2:ENABLE
JPME2:
2-3:DISABLE
SATA
MH1
JPT1
JBT1
12
1. LAN1/2
2. LAN3/4
LAN2/4 Port
Pin Denition
Pin# Pin#Denition Denition
B1 TD1+ YEL-B11
B2 TD1- B12 YEL+
B3 TD2+ B13 GRN-/ORG+
B4 TD2- B14 GRN+/ORG-
B5 CT_VCC B15
B6 CT_VCC B16
B7 TD3+ B17
B8 TD3- B18
B9 TD4+ B19
B10 TD4- B20
27
Chapter 2: Installation
JSMB1
JPAC1
MH4
FAN1
JSTBY1
JPME2
JPH1
BT1
JPUSB1
FANA
JD1JP1
MH3
MH2
JPL4
JEDP1
DIMMB1
DIMMA1
JL1
JSD1
I-SATA0
JTPM1
JMD2
LED2
I-SATA1
JMD2_SRW1
JPV1
JPWR1
U2
JITP1
JSIM1
JGP1
JMD1
JF1
59
2
30
19
19
2
12
24
2
BAR CODE
REV:1.00
A3SEV-2C-LN4
DESIGNED IN USA
BIOS LICENSE
JPL4:
M.2-H PCI-E 3.0 X2/I-SATA0 M.2-P PCI-E 3.0 X1
2-3:DISABLE
PCH SLOT1 PCI-E 3.0 X2 (IN X8)
USB6/7(3.1)
AUDIO FP
1-2:ENABLE
COM3/4
POWER
XOH/FF
JF1
2-3:DISABLE
1-2:ENABLE
NIC 1
NIC
2PWR
DEL DEL
HDD
CPU
USB0/1
LAN3/4 LAN1/2
1-2:NORMAL
:SUPER DOM
VGA
RST
PWR
ON
JPUSB1:
1-4:SPEAKER
1-2:ENABLE
JPT1:
2-3:DISABLE
HDMI/DP
USB4/5
USB2/3
COM1/2
JPAC1:
USB0/1 WAKE UP
DOM
2-3:ME MANUFACTURING MODE
1-2:ENABLE
JPME2:
2-3:DISABLE
SATA
MH1
JPT1
JBT1
Front Panel USB 2.0 (USB2/3, USB4/5)
Header Pin Denitions
Pin# Pin#Denition Denition
1 2P5V_DUAL_F P5V_DUAL_F
3 4USBCON_N2 USBCON_N3
5 6USBCON_P2 USBCON_P3
7 8Ground Ground
9 Key 10 NC
Back Panel USB 3.1 (USB6/7)
Pin Denitions
Pin# Pin#Denition Denition
A1 VBUS B1 VBUS
A2 D1-N B2 D2-N
A3 D1-P B3 D2-P
A4 GND B4 GND
A5 Stda_SSRX1-N B5 Stda_SSRX2-N
A6 Stda_SSRX1-P B6 Stda_SSRX2-P
A7 GND_DRAIN B7 GND_DRAIN
A8 Stda_SSTX1-N B8 Stda_SSTX2-N
A9 Stda_SSTX1-P B9 Stda_SSTX2-P
Universal Serial Bus (USB) Ports
There are two USB 2.0 ports (USB0/1) and two USB 3.1 ports (USB6/7) on the I/O back
panel. The motherboard also has two USB 2.0 headers (USB2/3 and USB4/5) that provide
four USB connections. The onboard headers can be used to provide front side USB access
with a cable.
4
3
1
2
1. USB0/1
2. USB2/3
3. USB4/5
4. USB6/7
Back Panel USB 2.0 (USB0/1)
Header Pin Denitions
Pin# Pin#Denition Denition
1 7P5VSB USB_CON_P2_DP
2 8USB_CON_P3_DN GND
3 9USB_CON_P3_DP GND
4 GND 10 GND
5 P5VSB GND11
6 USB_CON_P2_DN 12 GND
28
Super A3SEV-2C/4C-LN4 User's Manual
JSMB1
JPAC1
MH4
FAN1
JSTBY1
JPME2
JPH1
BT1
JPUSB1
FANA
JD1JP1
MH3
MH2
JPL4
JEDP1
DIMMB1
DIMMA1
JL1
JSD1
I-SATA0
JTPM1
JMD2
LED2
I-SATA1
JMD2_SRW1
JPV1
JPWR1
U2
JITP1
JSIM1
JGP1
JMD1
JF1
59
2
30
19
19
2
12
24
2
BAR CODE
REV:1.00
A3SEV-2C-LN4
DESIGNED IN USA
BIOS LICENSE
JPL4:
M.2-H PCI-E 3.0 X2/I-SATA0 M.2-P PCI-E 3.0 X1
2-3:DISABLE
PCH SLOT1 PCI-E 3.0 X2 (IN X8)
USB6/7(3.1)
AUDIO FP
1-2:ENABLE
COM3/4
POWER
X OH/FF
JF1
2-3:DISABLE
1-2:ENABLE
NIC 1
NIC
2PWR
DEL DEL
HDD
CPU
USB0/1
LAN3/4 LAN1/2
1-2:NORMAL
:SUPER DOM
VGA
RST
PWR
ON
JPUSB1:
1-4:SPEAKER
1-2:ENABLE
JPT1:
2-3:DISABLE
HDMI/DP
USB4/5
USB2/3
COM1/2
JPAC1:
USB0/1 WAKE UP
DOM
2-3:ME MANUFACTURING MODE
1-2:ENABLE
JPME2:
2-3:DISABLE
SATA
MH1
JPT1
JBT1
Power Button
OH/Fan Fail LED
NIC1 Active LED
Reset Button
HDD LED
PWR LED
3.3V Stby
Ground
Ground
NIC2 Active LED
3.3V
1 2
15 16
X
X
3.3V Stby
3.3V Stby
3.3V
Figure 2-2. JF1 Header Pins
2.5 Front Control Panel
JF1 contains header pins for various buttons and indicators that are normally located on a
control panel at the front of the chassis. These connectors are designed specically for use
with Supermicro chassis. See the gure below for the descriptions of the front control panel
buttons and LED indicators.
29
Chapter 2: Installation
Power Button
OH/Fan Fail LED
NIC1 Active LED
Reset Button
HDD LED
PWR LED
3.3V Stby
Ground
Ground
NIC2 Active LED
3.3V
1 2
15 16
XX
3.3V Stby
3.3V Stby
3.3V
1
2
1. Power Button
2. Reset Button
Power Button
The Power Button connection is located on pins 1 and 2 of JF1. Momentarily contacting both
pins will power on/o the system. This button can also be congured to function as a suspend
button (with a setting in the BIOS - see Chapter 4). To turn o the power in the suspend mode,
press the button for at least 4 seconds. See the table below for pin denitions.
Power Button
Pin Denitions (JF1)
Pin# Denition
1 Power Button
2 GND
Reset Button
The Reset Button connection is located on pins 3 and 4 of JF1. Attach it to a hardware reset
switch on the computer case to reset the system. See the table below for pin denitions.
Reset Button
Pin Denitions (JF1)
Pin# Denition
3 Reset
4 Ground
31
Chapter 2: Installation
Power Button
OH/Fan Fail LED
NIC1 Active LED
Reset Button
HDD LED
PWR LED
3.3V Stby
Ground
Ground
NIC2 Active LED
3.3V
1 2
15 16
XX
3.3V Stby
3.3V Stby
3.3V
1
2
1. HDD LED
2. Power LED
HDD LED
The HDD LED connection is located on pins 13 and 14 of JF1. Attach a cable to pin 14 to
show hard drive activity status. Refer to the table below for pin denitions.
HDD LED
Pin Denitions (JF1)
Pins Denition
13 3.3V
14 HDD Active
Power LED
The Power LED connection is located on pins 15 and 16 of JF1. Refer to the table below
for pin denitions.
Power LED
Pin Denitions (JF1)
Pins Denition
15 3.3 Stby
16 PWR LED
32
Super A3SEV-2C/4C-LN4 User's Manual
2.6 Connectors
Power Connections
JSMB1
JPAC1
MH4
FAN1
JSTBY1
JPME2
JPH1
BT1
JPUSB1
FANA
JD1JP1
MH3
MH2
JPL4
JEDP1
DIMMB1
DIMMA1
JL1
JSD1
I-SATA0
JTPM1
JMD2
LED2
I-SATA1
JMD2_SRW1
JPV1
JPWR1
U2
JITP1
JSIM1
JGP1
JMD1
JF1
2
30
19
19
2
12
24
2
BAR CODE
REV:1.00
A3SEV-2C-LN4
DESIGNED IN USA
BIOS LICENSE
JPL4:
M.2-H PCI-E 3.0 X2/I-SATA0 M.2-P PCI-E 3.0 X1
2-3:DISABLE
PCH SLOT1 PCI-E 3.0 X2 (IN X8)
USB6/7(3.1)
AUDIO FP
1-2:ENABLE
COM3/4
POWER
X OH/FF
JF1
2-3:DISABLE
1-2:ENABLE
NIC 1
NIC
2PWR
DEL DEL
HDD
CPU
USB0/1
LAN3/4 LAN1/2
1-2:NORMAL
:SUPER DOM
VGA
RST
PWR
ON
JPUSB1:
1-4:SPEAKER
1-2:ENABLE
JPT1:
2-3:DISABLE
HDMI/DP
USB4/5
USB2/3
COM1/2
JPAC1:
USB0/1 WAKE UP
DOM
2-3:ME MANUFACTURING MODE
1-2:ENABLE
JPME2:
2-3:DISABLE
SATA
MH1
JPT1
JBT1
1
1. 24-pin ATX Power
ATX Power Supply Connector
The 24-pin power supply connector (JPWR1) meets the ATX SSI EPS 24-pin specication.
ATX Power 24-pin Connector
Pin Denitions
Pin# Pin#Denition Denition
13 +3.3V +3.3V1
14 -12V +3.3V2
15 Ground Ground3
16 PS_ON +5V4
17 Ground Ground5
18 Ground +5V6
19 Ground Ground7
20 PWR_OKRes (NC) 8
21 +5V 5VSB9
22 +5V 10 +12V
23 +5V +12V11
24 Ground 12 +3.3V
33
Chapter 2: Installation
4-pin HDD Power
Pin Denitions
Pin# Denition
1 12V
2 Ground
3 Ground
4 5V
HDD Power Connector
The 4-pin HDD power connector JPH1 provides power to onboard HDD devices. See the
table below for pin denitions.
JSMB1
JPAC1
MH4
FAN1
J Y1
JPME2
JPH1
BT1
JPUSB1
FANA
JD1JP1
MH3
MH2
JPL4
JEDP1
DIMMB1
DIMMA1
JL1
JSD1
I-SATA0
JTPM1
JMD2
LED2
I-SATA1
JMD2_SRW1
JPV1
JPWR1
U2
JITP1
JSIM1
JGP1
JMD1
JF1
59
2
30
19
19
2
12
24
2
BAR CODE
REV:1.00
A3SEV-2C-LN4
DESIGNED IN USA
BIOS LICENSE
JPL4:
M.2-H PCI-E 3.0 X2/I-SATA0 M.2-P PCI-E 3.0 X1
2-3:DISABLE
PCH SLOT1 PCI-E 3.0 X2 (IN X8)
USB6/7(3.1)
AUDIO FP
1-2:ENABLE
COM3/4
POWER
X OH/FF
JF1
2-3:DISABLE
1-2:ENABLE
NIC 1
NIC
2PWR
DEL DEL
HDD
CPU
USB0/1
LAN3/4 LAN1/2
1-2:NORMAL
:SUPER DOM
VGA
RST
PWR
ON
JPUSB1:
1-4:SPEAKER
1-2:ENABLE
JPT1:
2-3:DISABLE
HDMI/DP
USB4/5
USB2/3
COM1/2
JPAC1:
USB0/1 WAKE UP
DOM
2-3:ME MANUFACTURING MODE
1-2:ENABLE
JPME2:
2-3:DISABLE
SATA
MH1
JPT1
JBT1
1
2
1. 4-pin 12V Power
2. HDD Power
4-pin 12V Power
Pin Denitions
Pin# Denition
1-2 Ground
3-4 +12V
4-pin 12V Power Connector
JPV1 is a 4-pin power input for alternative single power source for special enclosure when
24-pin ATX power is not in use. See the table below for pin denitions.
Produktspecifikationer
| Varumärke: | Supermicro |
| Kategori: | moderkort |
| Modell: | A3SEV-4C-LN4 |
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