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A3SEV-2C/4C-LN4
USER'S MANUAL
Revision 1.0b

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Summary of Contents for Supermicro A3SEV-2C-LN4

  • Page 1 A3SEV-2C/4C-LN4 USER’S MANUAL Revision 1.0b...
  • Page 2 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.
  • Page 3 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...
  • Page 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) support@supermicro.com (Technical Support) Website: www.supermicro.com Europe Address: Super Micro Computer B.V.
  • Page 5: Table Of Contents

    Preface Table of Contents Chapter 1 Introduction 1.1 Checklist ..........................7 Quick Reference .......................10 Quick Reference Table ......................11 Motherboard Features .......................13 1.2 Processor Overview ......................16 1.3 Special Features ........................16 Recovery from AC Power Loss ..................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...
  • Page 6 Super A3SEV-2C/4C-LN4 User's Manual How Jumpers Work ......................45 2.8 LED Indicators ........................50 Chapter 3 Troubleshooting 3.1 Troubleshooting Procedures ....................51 Before Power On ......................51 No Power ..........................51 No Video ...........................52 System Boot Failure .......................52 Memory Errors ........................52 Losing the System's Setup Configuration .................53 When the System Becomes Unstable ................53 3.2 Technical Support Procedures ...................55 3.3 Frequently Asked Questions ....................56...
  • Page 7: Chapter 1 Introduction

    • 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.
  • Page 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.
  • Page 9 HDMI/DP 1-2:ENABLE 2-3:DISABLE JPAC1 LAN3/4 LAN1/2 JEDP1 JSMB1 JITP1 JBT1 JPME2 JSIM1 JMD2_SRW1 A3SEV-2C-LN4 JPME2: 1-2:NORMAL 2-3:ME MANUFACTURING MODE BAR CODE REV:1.00 BIOS LICENSE DESIGNED IN USA DIMMA1 JMD1 JMD2 M.2-H PCI-E 3.0 X2/I-SATA0 M.2-P PCI-E 3.0 X1 JPV1 USB2/3...
  • Page 10: Quick Reference

    JEDP1 JITP1 SLOT1 JBT1 JBT1 JPME2 JMD2_SRW1 JPME2 JSIM1 JMD2_SRW1 JPWR1 JSIM1 COM1/2 JPME2: A3SEV-2C-LN4 1-2:NORMAL 2-3:ME MANUFACTURING MODE JMD2 BAR CODE REV:1.00 BIOS LICENSE DESIGNED IN USA JMD1 DIMMA1 JPV1 JMD1 JMD2 COM3/4 M.2-H PCI-E 3.0 X2/I-SATA0 M.2-P PCI-E 3.0 X1...
  • Page 11: Quick Reference Table

    Chapter 1: Introduction Quick Reference Table Jumper Description Default Setting JBT1 CMOS Clear Open: Normal 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 2-3 (Disabled)
  • Page 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 Port...
  • Page 13: Motherboard Features

    Chapter 1: Introduction Motherboard Features Motherboard Features • 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 •...
  • Page 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 •...
  • Page 15 Chapter 1: Introduction Figure 1-3. System Block Diagram Intel Either one eDP connector DDI0 HD3SS214ZQER NONECC-SODIMM0 w/ INB-ECC NONECC-SODIMM1 DDR4 3200 MHz VGA connector CHRONTEL MAX. 32G SO-DIMM SUPPORTED CH7517 HD Audio REALTEK HDMI Audio FRONT AUDIO HDMI 2.0b connector DDI1 ALC888S-VD2-GR SN65DP159...
  • Page 16: Processor Overview

    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 offers maximum I/O expandability, energy efficiency, and data reliability in a 14-nm process architecture, and is optimized for embedded storage solutions, networking applications, or cloud-computing platforms.
  • Page 17: Acpi Features

    Chapter 1: Introduction 1.4 ACPI Features The Advanced Configuration and Power Interface (ACPI) specification defines a flexible 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.
  • Page 18: Advanced Power Management

    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.
  • Page 19: Chapter 2 Installation

    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 sufficient to protect your equipment from ESD. Precautions •...
  • Page 20: Motherboard Installation

    1-2:ENABLE 2-3:DISABLE JPAC1 LAN3/4 LAN1/2 JEDP1 JSMB1 JITP1 JBT1 JPME2 JSIM1 JMD2_SRW1 JPME2: A3SEV-2C-LN4 1-2:NORMAL 2-3:ME MANUFACTURING MODE BAR CODE REV:1.00 BIOS LICENSE DESIGNED IN USA DIMMA1 JMD1 JMD2 M.2-H PCI-E 3.0 X2/I-SATA0 M.2-P PCI-E 3.0 X1 JPV1 USB2/3 USB4/5...
  • Page 21: Installing The Motherboard

    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.
  • Page 22: Memory Support And Installation

    Super A3SEV-2C/4C-LN4 User's Manual 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.
  • Page 23: So-Dimm Installation

    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. Align 2. Insert the SO-DIMM module vertically at about a 45 degree angle. Press down until the module locks into place. Insert this end first Press down until the module locks into place.
  • Page 24: Rear I/O Ports

    1-2:ENABLE 2-3:DISABLE JPAC1 LAN3/4 LAN1/2 JEDP1 JSMB1 JITP1 JBT1 JPME2 JSIM1 JMD2_SRW1 JPME2: A3SEV-2C-LN4 1-2:NORMAL 2-3:ME MANUFACTURING MODE BAR CODE REV:1.00 BIOS LICENSE DESIGNED IN USA DIMMA1 JMD1 JMD2 M.2-H PCI-E 3.0 X2/I-SATA0 M.2-P PCI-E 3.0 X1 JPV1 USB2/3 USB4/5...
  • Page 25 1-2:ENABLE 2-3:DISABLE JPAC1 LAN3/4 LAN1/2 JEDP1 JSMB1 JITP1 JBT1 JPME2 JSIM1 JMD2_SRW1 JPME2: A3SEV-2C-LN4 1-2:NORMAL 2-3:ME MANUFACTURING MODE BAR CODE REV:1.00 BIOS LICENSE DESIGNED IN USA DIMMA1 JMD1 JMD2 M.2-H PCI-E 3.0 X2/I-SATA0 M.2-P PCI-E 3.0 X1 JPV1 USB2/3 USB4/5...
  • Page 26 HDMI/DP 1-2:ENABLE 2-3:DISABLE JPAC1 LAN3/4 LAN1/2 JEDP1 JSMB1 JITP1 JBT1 JPME2 JSIM1 JMD2_SRW1 A3SEV-2C-LN4 JPME2: 1-2:NORMAL 2-3:ME MANUFACTURING MODE BAR CODE REV:1.00 BIOS LICENSE DESIGNED IN USA DIMMA1 JMD1 JMD2 M.2-H PCI-E 3.0 X2/I-SATA0 M.2-P PCI-E 3.0 X1 JPV1 USB2/3...
  • Page 27 1-2:ENABLE 2-3:DISABLE JPAC1 LAN3/4 LAN1/2 4. USB6/7 JEDP1 JSMB1 JITP1 JBT1 JPME2 JSIM1 JMD2_SRW1 A3SEV-2C-LN4 JPME2: 1-2:NORMAL 2-3:ME MANUFACTURING MODE BAR CODE REV:1.00 BIOS LICENSE DESIGNED IN USA DIMMA1 JMD1 JMD2 M.2-H PCI-E 3.0 X2/I-SATA0 M.2-P PCI-E 3.0 X1 JPV1...
  • Page 28: 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 specifically for use with Supermicro chassis. See the figure below for the descriptions of the front control panel buttons and LED indicators.
  • Page 29 Chapter 2: Installation Power Button The Power Button connection is located on pins 1 and 2 of JF1. Momentarily contacting both pins will power on/off the system. This button can also be configured to function as a suspend button (with a setting in the BIOS - see Chapter 4). To turn off the power in the suspend mode, press the button for at least 4 seconds.
  • Page 30 Super A3SEV-2C/4C-LN4 User's Manual Overheat (OH)/Fan Fail Connect an LED cable to pins 7 and 8 of the Front Control Panel to use the Overheat/Fan Fail LED connections. The LED on pin 8 provides warnings of overheating or fan failure. Refer to the tables below for pin definitions.
  • Page 31 Chapter 2: Installation 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 definitions. HDD LED Pin Definitions (JF1) Pins Definition...
  • Page 32: Connectors

    1-2:ENABLE 2-3:DISABLE JPAC1 LAN3/4 LAN1/2 JEDP1 JSMB1 JITP1 JBT1 JPME2 JSIM1 JMD2_SRW1 JPME2: A3SEV-2C-LN4 1-2:NORMAL 2-3:ME MANUFACTURING MODE BAR CODE REV:1.00 BIOS LICENSE DESIGNED IN USA DIMMA1 JMD1 JMD2 M.2-H PCI-E 3.0 X2/I-SATA0 M.2-P PCI-E 3.0 X1 JPV1 USB2/3 USB4/5...
  • Page 33 HDMI/DP 1-2:ENABLE 2-3:DISABLE JPAC1 LAN3/4 LAN1/2 JEDP1 JSMB1 JITP1 JBT1 JPME2 JSIM1 JMD2_SRW1 A3SEV-2C-LN4 JPME2: 1-2:NORMAL 2-3:ME MANUFACTURING MODE BAR CODE REV:1.00 BIOS LICENSE DESIGNED IN USA DIMMA1 JMD1 JMD2 M.2-H PCI-E 3.0 X2/I-SATA0 M.2-P PCI-E 3.0 X1 JPV1 USB2/3...
  • Page 34: Headers

    HDMI/DP 1-2:ENABLE 2-3:DISABLE JPAC1 LAN3/4 LAN1/2 JEDP1 JSMB1 JITP1 JBT1 JPME2 JSIM1 JMD2_SRW1 A3SEV-2C-LN4 JPME2: 1-2:NORMAL 2-3:ME MANUFACTURING MODE BAR CODE REV:1.00 BIOS LICENSE DESIGNED IN USA DIMMA1 JMD1 JMD2 M.2-H PCI-E 3.0 X2/I-SATA0 M.2-P PCI-E 3.0 X1 JPV1 USB2/3...
  • Page 35 1-2:ENABLE 2-3:DISABLE JPAC1 LAN3/4 LAN1/2 JEDP1 JSMB1 JITP1 JBT1 JPME2 JSIM1 JMD2_SRW1 JPME2: A3SEV-2C-LN4 1-2:NORMAL 2-3:ME MANUFACTURING MODE BAR CODE REV:1.00 BIOS LICENSE DESIGNED IN USA DIMMA1 JMD1 JMD2 M.2-H PCI-E 3.0 X2/I-SATA0 M.2-P PCI-E 3.0 X1 JPV1 USB2/3 USB4/5...
  • Page 36 Super A3SEV-2C/4C-LN4 User's Manual COM Headers The motherboard has two COM headers that provide four serial connections (COM1/2 and COM3/4). These headers support the RS-232/422/485 function. Please utilize Supermicro PN: CBL-CDAT-0685 to bridge out these serial connections. COM3/4 Header COM1/2 Header...
  • Page 37 Port 80 connection. Use this header to enhance system performance and data security. Refer to the table below for pin definitions. Please go to the following link for more information on the TPM: http://www.supermicro.com/manuals/other/TPM.pdf. Trusted Platform Module/Port80 Header Pin Definitions...
  • Page 38 HDMI/DP 1-2:ENABLE 2-3:DISABLE JPAC1 LAN3/4 LAN1/2 JEDP1 JSMB1 JITP1 JBT1 JPME2 JSIM1 JMD2_SRW1 A3SEV-2C-LN4 JPME2: 1-2:NORMAL 2-3:ME MANUFACTURING MODE BAR CODE REV:1.00 BIOS LICENSE DESIGNED IN USA DIMMA1 JMD1 JMD2 M.2-H PCI-E 3.0 X2/I-SATA0 M.2-P PCI-E 3.0 X1 JPV1 USB2/3...
  • Page 39 HDMI/DP 1-2:ENABLE 2-3:DISABLE JPAC1 LAN3/4 LAN1/2 JEDP1 JSMB1 JITP1 JBT1 JPME2 JSIM1 JMD2_SRW1 A3SEV-2C-LN4 JPME2: 1-2:NORMAL 2-3:ME MANUFACTURING MODE BAR CODE REV:1.00 BIOS LICENSE DESIGNED IN USA DIMMA1 JMD1 JMD2 M.2-H PCI-E 3.0 X2/I-SATA0 M.2-P PCI-E 3.0 X1 JPV1 USB2/3...
  • Page 40 JITP1 PETn0/SATA-A+ PERST (PLTRST) CLK_REQ_N REFCLK- PE_WAKE_N REFCLK+ JBT1 JPME2 JSIM1 JMD2_SRW1 COEX3 JPME2: A3SEV-2C-LN4 1-2:NORMAL 2-3:ME MANUFACTURING MODE BAR CODE REV:1.00 BIOS LICENSE COEX_TXD DESIGNED IN USA DIMMA1 COEX_RXD JMD1 JMD2 M.2-H PCI-E 3.0 X2/I-SATA0 M.2-P PCI-E 3.0 X1...
  • Page 41 Chapter 2: Installation M.2 Slot Pin Definitions (JMD2 E-Key) Pin# Definition Pin# Definition P3V3_DUAL USB_JMD2_DP P3V3_DUAL USB_JMD2_DN UART_BT_ WAKE_R_N PE_PCH_TX_C_P0 PE_PCH_TX_C_N0 PE_M2E_RX_DP PE_M2E_RX_DN M2E_WLAN_COEX3 M2E_WLAN_COEX2 CLK_100M_M2E_DP M2E_WLAN_COEX1 CLK_100M_M2E_DN M2E_SUSCLK_R PLTRST_M2E_R CLKREQ_M2E_R_N M2E_W_ DISABLE2_N_R PE_WAKE_M2E_R_N M2E_W_ DISABLE1_N_R M2E_I2C_DAT_R M2E_I2C_CLK_R P3V3_DUAL P3V3_DUAL...
  • Page 42 HDMI/DP 1-2:ENABLE 2-3:DISABLE JPAC1 LAN3/4 LAN1/2 JEDP1 JSMB1 JITP1 JBT1 JPME2 JSIM1 JMD2_SRW1 A3SEV-2C-LN4 JPME2: 1-2:NORMAL 2-3:ME MANUFACTURING MODE BAR CODE REV:1.00 BIOS LICENSE DESIGNED IN USA DIMMA1 JMD1 JMD2 M.2-H PCI-E 3.0 X2/I-SATA0 M.2-P PCI-E 3.0 X1 JPV1 USB2/3...
  • Page 43 I-SATA 3.0 Ports The A3SEV-2C/4C-LN4 has two I-SATA 3.0 ports (I-SATA0 and I-SATA1). I-SATA0 can be used with Supermicro SuperDOMs that are yellow SATA DOM connectors with power pins built in, and do not require external power cables. Supermicro SuperDOMs are backward compatible with regular SATA HDDs or SATA DOMs that need external power cables.
  • Page 44 SMB_DATA 2-3:DISABLE JPAC1 LAN3/4 LAN1/2 JEDP1 JSMB1 JITP1 JBT1 JPME2 JSIM1 JMD2_SRW1 JPME2: A3SEV-2C-LN4 1-2:NORMAL 2-3:ME MANUFACTURING MODE BAR CODE REV:1.00 BIOS LICENSE DESIGNED IN USA DIMMA1 JMD1 JMD2 M.2-H PCI-E 3.0 X2/I-SATA0 M.2-P PCI-E 3.0 X1 JPV1 USB2/3 USB4/5...
  • Page 45: Jumper Settings

    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 identified with a square solder pad on the printed circuit board. See the diagram below for an example of jumping pins 1 and 2.
  • Page 46 HDMI/DP 1-2:ENABLE 2-3:DISABLE JPAC1 LAN3/4 LAN1/2 JEDP1 JSMB1 JITP1 JBT1 JPME2 JSIM1 JMD2_SRW1 A3SEV-2C-LN4 JPME2: 1-2:NORMAL 2-3:ME MANUFACTURING MODE BAR CODE REV:1.00 BIOS LICENSE DESIGNED IN USA DIMMA1 JMD1 JMD2 M.2-H PCI-E 3.0 X2/I-SATA0 M.2-P PCI-E 3.0 X1 JPV1 USB2/3...
  • Page 47 1-2:ENABLE 2-3:DISABLE JPAC1 LAN3/4 LAN1/2 JEDP1 JSMB1 JITP1 JBT1 JPME2 JSIM1 JMD2_SRW1 JPME2: A3SEV-2C-LN4 1-2:NORMAL 2-3:ME MANUFACTURING MODE BAR CODE REV:1.00 BIOS LICENSE DESIGNED IN USA DIMMA1 JMD1 JMD2 M.2-H PCI-E 3.0 X2/I-SATA0 M.2-P PCI-E 3.0 X1 JPV1 USB2/3 USB4/5...
  • Page 48 1-2:ENABLE 2-3:DISABLE JPAC1 LAN3/4 LAN1/2 JEDP1 JSMB1 JITP1 JBT1 JPME2 JSIM1 JMD2_SRW1 JPME2: A3SEV-2C-LN4 1-2:NORMAL 2-3:ME MANUFACTURING MODE BAR CODE REV:1.00 BIOS LICENSE DESIGNED IN USA DIMMA1 JMD1 JMD2 M.2-H PCI-E 3.0 X2/I-SATA0 M.2-P PCI-E 3.0 X1 JPV1 USB2/3 USB4/5...
  • Page 49 HDMI/DP 1-2:ENABLE 2-3:DISABLE JPAC1 LAN3/4 LAN1/2 JEDP1 JSMB1 JITP1 JBT1 JPME2 JSIM1 JMD2_SRW1 A3SEV-2C-LN4 JPME2: 1-2:NORMAL 2-3:ME MANUFACTURING MODE BAR CODE REV:1.00 BIOS LICENSE DESIGNED IN USA DIMMA1 JMD1 JMD2 M.2-H PCI-E 3.0 X2/I-SATA0 M.2-P PCI-E 3.0 X1 JPV1 USB2/3...
  • Page 50: Led Indicators

    HDMI/DP 1-2:ENABLE 2-3:DISABLE JPAC1 LAN3/4 LAN1/2 JEDP1 JSMB1 JITP1 JBT1 JPME2 JSIM1 JMD2_SRW1 A3SEV-2C-LN4 JPME2: 1-2:NORMAL 2-3:ME MANUFACTURING MODE BAR CODE REV:1.00 BIOS LICENSE DESIGNED IN USA DIMMA1 JMD1 JMD2 M.2-H PCI-E 3.0 X2/I-SATA0 M.2-P PCI-E 3.0 X1 JPV1 USB2/3...
  • Page 51: Chapter 3 Troubleshooting

    Chapter 3: Troubleshooting Chapter 3 Troubleshooting 3.1 Troubleshooting Procedures Use the following procedures to troubleshoot your system. If you have followed all of the procedures below and still need assistance, refer to the ‘Technical Support Procedures’ and/ or ‘Returning Merchandise for Service’ section(s) in this chapter. Always disconnect the AC power cord before adding, changing or installing any non hot-swap hardware components.
  • Page 52: No Video

    Super A3SEV-2C/4C-LN4 User's Manual No Video 1. If the power is on but you have no video, remove all the add-on cards and cables. 2. Use the speaker to determine if any beep codes exist. Refer to Appendix A for details on beep codes.
  • Page 53: Losing The System's Setup Configuration

    Chapter 3: Troubleshooting Losing the System's Setup Configuration 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.
  • Page 54 Super A3SEV-2C/4C-LN4 User's Manual 4. Identify 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.
  • Page 55: Technical Support Procedures

    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.
  • Page 56: Frequently Asked Questions

    Updated BIOS files are located on our website at http:// www.supermicro.com/ResourceApps/BIOS_IPMI_Intel.html. Please check our BIOS warning message and the information on how to update your BIOS on our website. Select your motherboard model and download the BIOS file to your computer. Also, check the current BIOS revision to make sure that it is newer than your BIOS before downloading.
  • Page 57: Battery Removal And Installation

    Chapter 3: Troubleshooting 3.4 Battery Removal and Installation Battery Removal To remove the onboard battery, follow the steps below: 1. Power off your system and unplug your power cable. 2. Locate the onboard battery as shown below. 3. Using a tool such as a pen or a small screwdriver, push the battery lock outwards to unlock it.
  • Page 58: Returning Merchandise For Service

    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.
  • Page 59: Chapter 4 Bios

    Chapter 4: BIOS Chapter 4 BIOS 4.1 Introduction This chapter describes the AMIBIOS™ Setup utility for the A3SEV-2C/4C-LN4 motherboard. The BIOS is stored on a chip and can be easily upgraded using a flash 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.
  • Page 60: Main

    The date must be entered in MM/DD/YYYY format. The time is entered in HH:MM:SS format. Note: The time is in the 24-hour format. For example, 5:30 P.M. appears as 17:30:00. Supermicro A3SEV BIOS Version Build Date Memory Information Total Memory: This feature displays the total size of memory available in the system.
  • Page 61: Advanced

    Chapter 4: BIOS 4.3 Advanced Use this menu to configure Advanced settings. 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.
  • Page 62 Super A3SEV-2C/4C-LN4 User's Manual • L4 Cache • • SMX/TXT CPU Flex Ratio Override Use this feature to enable or disable CPU Flex Ratio Prgoramming. The options are Disabled and Enabled. If the feature above is set to Enable, the next feature is available for configuration: CPU Flex Ratio Setting Use this feature to set the non-turbo mode processor core ratio multiplier.
  • Page 63 Chapter 4: BIOS MachineCheck Select enabled to activate Machine Check. The options are Disabled and Enabled. MonitorMwait Select Enabled to enable the Monitor/Mwait instructions. The Monitor instructions monitors a region of memory for writes, and MWait instructions instruct the CPU to stop until the monitored region begins to write.
  • Page 64 Super A3SEV-2C/4C-LN4 User's Manual Maximum Memory Frequency Use this feature to set the maximum memory frequency for onboard memory modules. The options are Auto, 1067, 1200, 1333, 1400, 1600, 1800, 1867, 2000, 2133, 2200, 2400, 2600, 2667, 2800, 2933, and 3000. Max TOLUD This feature sets the maximum TOLUD value, which specifies the "Top of Low Usable DRAM"...
  • Page 65 Chapter 4: BIOS Internal Graphics Select Auto to keep an internal graphics device installed on an expansion slot supported by the CPU to be automatically enabled. The options are Auto, Disabled, and Enabled. 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.
  • Page 66 Super A3SEV-2C/4C-LN4 User's Manual VT-d Select Enabled to activate Intel Virtualization Technology support for Direct I/O VT-d by reporting the I/O device assignments to VMM through the DMAR ACPI Tables. This feature offers fully-protected I/O resource-sharing across the Intel platforms, providing you with greater reliability, security and availability in networking and data-sharing.
  • Page 67 Chapter 4: BIOS L1 SubStates Use this feature to set the PCI Express L1 Substates. The options are Disabled, L1.1, and L1.1 & L1.2. PCIe Speed Use this feature to select the PCI Express port speed. The options are Auto, Gen1, Gen2, and Gen3.
  • Page 68 Super A3SEV-2C/4C-LN4 User's Manual PCIe Speed Use this feature to select the PCI Express port speed. The options are Auto, Gen1, Gen2, and Gen3. PCIe PLL SSC Use this feature to enable or disable PCIe PLL SSC. The options are Enabled and Disabled. Boot Feature ...
  • Page 69 Chapter 4: BIOS SATA and RST Configuration SATA Controller(s) This feature enables or disables the onboard SATA controller supported by the Intel PCH chip. The options are Enabled and Disabled. SATA Mode Selection Use this feature to select the SATA mode. The default is AHCI. SATA0 - SATA2 Hot Plug This feature designates the SATA port specified for hot plugging.
  • Page 70 Super A3SEV-2C/4C-LN4 User's Manual *If Security Device Support is set to Enabled, the following features are available for configuration: The following Platform Configuration Register information will be displayed: Active PCR banks Available PCR banks SHA-1 PCR Bank Use this feature to disable or enable the SHA-1 Platform Configuration Register (PCR) bank for the installed TPM device.
  • Page 71 Chapter 4: BIOS ACPI Settings  ACPI Sleep State Use this feature to select which sleep state mode the system will enter when the Suspend button is pressed. The options are Suspend Disabled and S3 (Suspend to RAM). NCT6126D Super IO Configuration ...
  • Page 72 Super A3SEV-2C/4C-LN4 User's Manual Change Settings This feature specifies the base I/O port address and the Interrupt Request address of Serial Port 2. Select Auto to allow the BIOS to automatically assign the base I/O and IRQ address to a serial port specified. The options are Auto, (IO=2F8h; IRQ=3), (IO=3F8h; IRQ=3, 4, 5, 6, 7, 9, 10, 11, 12), (IO=2F8h;...
  • Page 73 Chapter 4: BIOS Change Settings This feature specifies the base I/O port address and the Interrupt Request address of Serial Port 2. Select Auto to allow the BIOS to automatically assign the base I/O and IRQ address to a serial port specified. The options are Auto, (IO=2E8h; IRQ=7), (IO=3E8h; IRQ=3, 4, 5, 6, 7, 9, 10, 11, 12), (IO=2E8h;...
  • Page 74 Super A3SEV-2C/4C-LN4 User's Manual *If COM1 Console Redirection is set to Enabled, the following features are available for configuration: COM1 Console Redirection Settings Use this feature to specify how the host computer will exchange data with the client computer, which is the remote computer The options are Enabled and Disabled. COM1 Terminal Type This feature allows you to select the target terminal emulation type for Console Redirection.
  • Page 75 Chapter 4: BIOS COM1 VT-UTF8 Combo Key Support Select Enabled to enable VT-UTF8 Combination Key support for ANSI/VT100 terminals. The options are Disabled and Enabled. COM1 Recorder Mode Select Enabled to capture the data displayed on a terminal and send it as text messages to a remote server.
  • Page 76 Super A3SEV-2C/4C-LN4 User's Manual COM2 Parity A parity bit can be sent along with regular data bits to detect data transmission errors. Select Even if the parity bit is set to 0, and the number of 1's in data bits is even. Select Odd if the parity bit is set to 0, and the number of 1's in data bits is odd.
  • Page 77 Chapter 4: BIOS COM3 Terminal Type Use this feature to select the target terminal emulation type for Console Redirection. Select VT100 to use the ASCII Character set. Select VT100+ to add color and function key support. Select ANSI to use the Extended ASCII Character Set. Select VT-UTF8 to use UTF8 encoding to map Unicode characters into one or more bytes.
  • Page 78 Super A3SEV-2C/4C-LN4 User's Manual COM3 Recorder Mode Select Enabled to capture the data displayed on a terminal and send it as text messages to a remote server. The options are Disabled and Enabled. COM3 Resolution 100x31 Select Enabled for extended-terminal resolution support. The options are Disabled and Enabled.
  • Page 79 Chapter 4: BIOS COM4 Stop Bits A stop bit indicates the end of a serial data packet. Select 1 Stop Bit for standard serial data communication. Select 2 Stop Bits if slower devices are used. The options are 1 and 2. COM4 Flow Control Use this feature to set the flow control for Console Redirection to prevent data loss caused by buffer overflow.
  • Page 80 Super A3SEV-2C/4C-LN4 User's Manual Out-of-Band Mgmt Port The feature selects a serial port in a client server to be used by the Microsoft Windows Emergency Management Services (EMS) to communicate with a remote host server. The options are COM1, COM2, COM3, and COM4. Terminal Type Use this feature to select the target terminal emulation type for Console Redirection.
  • Page 81 Chapter 4: BIOS Network Stack Configuration Network Stack Select Enabled to enable Preboot Execution Environment (PXE) or Unified Extensible Firmware Interface (UEFI) for network stack support. The options are Disabled and Enabled. IPv4 PXE Support Select Enabled to enable IPv4 PXE boot support. The options are Disabled and Enabled. IPv4 HTTP Support Select Enabled to enable IPv4 HTTP boot support.
  • Page 82 Super A3SEV-2C/4C-LN4 User's Manual UEFI Driver Adapter PBA Device Name Chip Type PCI Device ID PCI Address Link Status MAC Address Virtual MAC Address MAC:3CECEF312F67-IPv4 Network Configuration MAC:FFFFFFFFFFFF-IPv4 Network Configuration MAC:FFFFFFFFFFFF-IPv4 Network Configuration MAC:000000000000-IPv4 Network Configuration Configured Use this feature to indicate whether the network address is configured successfully or not. The options or Disabled and Enabled.
  • Page 83 Chapter 4: BIOS Interface ID Use this feature to set the 64-bit alternative interface ID for the device. DAD Transmit Count If this set feature is set to 0, the Duplication Address Detection is not performed. Set the value to a preferred selection. Policy Use this feature to set the policy to automatic or manual.
  • Page 84 Super A3SEV-2C/4C-LN4 User's Manual Onboard LAN1 Option ROM Use this feature to select which firmware type to be loaded for the add-on card in this slot. The options are Disabled and EFI. HTTP Boot Configuration  HTTP Boot Configuration HTTP Boot Policy Use this feature to select the boot policy.
  • Page 85: Security

    Chapter 4: BIOS 4.4 Security Use this menu to configure Security settings. Administrator Password Press Enter to create a new administrator password. The length of the password must be from three to 20 characters long. User Password Press Enter to create a new user password. The length of the password must be from three to 20 characters long.
  • Page 86 Super A3SEV-2C/4C-LN4 User's Manual Security Function Use this feature to set Security Function. The options are Disable, Set Password, Security Erase - Password, and Security Erase - Without Password. Password Enter a numeric value to set the password. HDD Security Configuration Information is displayed when a storage device has been detected.
  • Page 87 Chapter 4: BIOS Export Secure Boot variables  This feature allows you to copy NVRAM content of Secure boot variables to files in a root folder on a file system device. Enroll EFI Image  This feature allows the image to run in Secure Boot Mode. Enroll SHA256 Hash Certificate of the image into the Authorized Signature Database.
  • Page 88 Super A3SEV-2C/4C-LN4 User's Manual Append Select Yes to add the KEK from the manufacturer's defaults list to the existing KEK. Select No to load the KEK from a file. The options are Yes and No. Delete Select Ok to remove the KEK and then the system will reset to Setup/Audit Mode. ...
  • Page 89 Chapter 4: BIOS Export Select Yes to export a dbt from a file on an external media. Update Select Yes to load a factory default dbt or No to load from a file on an external media. Append Select Yes to add the dbt from the manufacturer's defaults list to the existing dbt. Select No to load the dbt from a file.
  • Page 90: Boot

    Super A3SEV-2C/4C-LN4 User's Manual 4.5 Boot Use this menu to configure Boot settings: Setup Prompt Timeout Use this feature to select the number of seconds to wait for the setup activation key. The default is 1. Fixed Boot Order Priorities This option prioritizes the order of bootable devices that the system can boot from.
  • Page 91 Chapter 4: BIOS • Boot Option #8 • Boot Option #9  Add New Boot Option This feature allows you to add a new boot option to the boot priority features for your system. Add Boot Option Use this feature to specify the name for the new boot option. Delete Boot Option This feature allows you to select a boot device to delete from the boot priority list.
  • Page 92: Save & Exit

    Super A3SEV-2C/4C-LN4 User's Manual 4.6 Save & Exit Use this menu to save settings and exit the BIOS. Save Options Discard Changes and Exit Select this option to quit the BIOS Setup without making any permanent changes to the system configuration and reboot the computer. Select Discard Changes and Exit from the Exit menu and press <Enter>.
  • Page 93 Chapter 4: BIOS Default Options Load Optimized Defaults To set this feature, select Restore Defaults from the Exit menu and press <Enter>. These are factory settings designed for maximum system performance but not for maximum stability. Save as User Defaults To set this feature, select Save as User Defaults from the Exit menu and press <Enter>.
  • Page 94: Appendix A Bios Codes

    Super A3SEV-2C/4C-LN4 User's Manual Appendix A BIOS Codes A.1 BIOS Error POST (Beep) Codes During the POST (Power-On Self-Test) routines, which are performed each time the system is powered on, errors may occur. Non-fatal errors are those which, in most cases, allow the system to continue the boot-up process.
  • Page 95 A.2 Additional BIOS POST Codes The AMI BIOS supplies additional checkpoint codes, which are documented online at http:// www.supermicro.com/support/manuals/ ("AMI BIOS POST Codes User's Guide"). When BIOS performs the Power On Self Test, it writes checkpoint codes to I/O port 0080h.
  • Page 96: Appendix B Software Installation

    Appendix B Software Installation B.1 Installing Software Programs The Supermicro website that contains drivers and utilities for your system is at https://www. supermicro.com/wdl/driver/. Some of these must be installed, such as the chipset driver. After accessing the website, go into the CDR_Images (in the parent directory of the above link) and locate the ISO file for your motherboard.
  • Page 97: Superdoctor ® 5

    SATA settings back to your original settings. B.2 SuperDoctor ® The Supermicro SuperDoctor 5 is a hardware monitoring program that functions in a command-line or web-based interface in Windows and Linux operating systems. The program monitors system health information such as CPU temperature, system voltages, system power consumption, fan speed, and provides alerts via email or Simple Network Management Protocol (SNMP).
  • Page 98: Appendix C Standardized Warning Statements

    The following statements are industry standard warnings, provided to warn the user of situations which have the potential for bodily injury. Should you have questions or experience difficulty, contact Supermicro's Technical Support department for assistance. Only certified technicians should attempt to install or configure components.
  • Page 99 Appendix C: Warning Statements Attention Danger d'explosion si la pile n'est pas remplacée correctement. Ne la remplacer que par une pile de type semblable ou équivalent, recommandée par le fabricant. Jeter les piles usagées conformément aux instructions du fabricant. ¡Advertencia! Existe peligro de explosión si la batería se reemplaza de manera incorrecta.
  • Page 100: Product Disposal

    Super A3SEV-2C/4C-LN4 User's Manual Product Disposal Warning! Ultimate disposal of this product should be handled according to all national laws and regulations. 製品の廃棄 この製品を廃棄処分する場合、 国の関係する全ての法律 ・ 条例に従い処理する必要があります。 警告 本产品的废弃处理应根据所有国家的法律和规章进行。 警告 本產品的廢棄處理應根據所有國家的法律和規章進行。 Warnung Die Entsorgung dieses Produkts sollte gemäß allen Bestimmungen und Gesetzen des Landes erfolgen.
  • Page 101: Appendix D Uefi Bios Recovery

    Warning: Do not upgrade the BIOS unless your system has a BIOS-related issue. Flashing the wrong BIOS can cause irreparable damage to the system. In no event shall Supermicro be liable for direct, indirect, special, incidental, or consequential damages arising from a BIOS update.
  • Page 102 USB device or a writable CD/DVD. Note: If you cannot locate the "Super.ROM" file in your driver disk, visit our website www.supermicro.com to download the BIOS image into a USB flash device and rename it "Super.ROM" for BIOS recovery use.
  • Page 103 Appendix D: UEFI BIOS Recovery 3. After locating the new BIOS binary image, the system will enter the BIOS Recovery menu as shown below. Note: At this point, you may decide if you want to start the BIOS recovery. If you decide to proceed with BIOS recovery, follow the procedures below.
  • Page 104 Super A3SEV-2C/4C-LN4 User Manual 5. After the BIOS recovery process is completed, press any key to reboot the system. 6. Using a different system, extract the BIOS package into a USB flash drive. 7. Press <Del> continuously during system boot to enter the BIOS setup utility. From the top of the tool bar, click on Boot and press <Enter>...
  • Page 105 Appendix D: UEFI BIOS Recovery 8. When the UEFI Shell prompt appears, type fs# to change the device directory path. Go to the directory that contains the BIOS package you extracted earlier from Step 7. Enter flash.nsh BIOSname.### at the prompt to start the BIOS update process. Note: Do not interrupt this process until the BIOS flashing is complete.

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