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Appendix C: UEFI BIOS Recovery
C-1
Appendix C
UEFI BIOS Recovery Instructions
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. If you need to update the BIOS, do not shut down or reset
the system while the BIOS is updating to avoid possible boot failure.
C-1 An Overview to the UEFI BIOS
The Unied Extensible Firmware Interface (UEFI) specication provides a software-
based interface between the operating system and the platform rmware in the
pre-boot environment. The UEFI specication supports an architecture-independent
mechanism for add-on card initialization to allow the UEFI OS loader, which is stored
in the add-on card, to boot up the system. UEFI offers a clean, hands-off control
to a computer system at bootup.
C-2 How to Recover the UEFI BIOS Image (-the Main
BIOS Block)
A UEF BIOS ash chip consists of a recovery BIOS block, comprised of two boot
blocks and a main BIOS block (a main BIOS image). The boot block contains critical
BIOS codes, including memory detection and recovery codes for the user to ash
a new BIOS image if the original main BIOS image is corrupted. When the system
power is on, the boot block codes execute rst. Once that is completed, the main
BIOS code will continue with system initialization and bootup.
Note: Follow the BIOS Recovery instructions below for BIOS recovery
when the main BIOS boot crashes. However, when the BIOS boot block
crashes, you will need to follow the procedures in Appendix D.
C-3 To Recover the Main BIOS Block Using a USB-
Attached Device
This feature allows the user to recover a BIOS image using a USB-attached device
without additional utilities used. A USB ash device such as a USB Flash Drive, or
a USB CD/DVD ROM/RW device can be used for this purpose. However, a USB
Hard Disk drive cannot be used for BIOS recovery at this time.
- A1SAM-2750F 1
- A1SAM-2550F 1
- A1SRM-2758F 1
- A1SRM-2558F 1
- About This Motherboard 3
- Manual Organization 3
- Contacting Supermicro 5
- Table of Contents 6
- Chapter 3 Troubleshooting 7
- Chapter 4 BIOS 7
- •Six (6) SATA cables 9
- •One (1) I/O shield 9
- Chapter 1: Introduction 11
- A1SAM/A1SRM Series 12
- Rev. 1.01 12
- Motherboard Features 15
- A1SAi-2750F 16
- AVOTON SOC 17
- 1-2 Processor Overview 18
- 1-3 Special Features 19
- 1-4 PC Health Monitoring 19
- 1-5 ACPI Features 19
- 1-6 Power Supply 20
- Chapter 2 21
- Installation 21
- Product Disposal 23
- Precautions 24
- Unpacking 24
- 2-3 Memory Support 25
- Populating Memory Modules 26
- DIMM Installation 26
- Installing the Motherboard 29
- 2-5 Connectors/IO Ports 30
- Pin # Denition 31
- Pin # Denition 31
- A. UID Switch 33
- C. Front UID LED 33
- Front Control Panel 34
- A. NMI Button 35
- B. PWR LED 35
- A. HDD LED 36
- B. NIC1 (LAN1) LED 36
- C. NIC2 (LAN2) LED 36
- D. JPK1: LAN3/4 LED 36
- A. (Blue) UID LED 37
- B. (Red) OH/Fan Fail/PWR 37
- Fail LED 37
- C. PWR Fail 37
- A. Reset Button 38
- B. PWR Button 38
- 2-6 Connecting Cables 39
- A. Fan 1 40
- B. Fan 2 40
- C. Fan 3 40
- D. Chassis Intrusion 40
- A. Internal Buzzer 41
- B. PWR LED/ 41
- Speaker Header 41
- A. DOM PWR 42
- B. Overheat LED Header 42
- A. PWR SMBus 44
- B. SMBus for IPMI 44
- Chapter 2: Installation 45
- GLAN Enable 46
- Jumper Settings 46
- Pin# Denition 46
- 1-2 Enabled (default) 46
- 2-3 Disabled 46
- A. Watch Dog Enable 48
- B. VGA Enable 48
- USB Wake_UP Enable 49
- Pins 1-2 USB Wake_up Enable 49
- Pins 2-3 Normal (Default) 49
- LAN 1/LAN 2 50
- IPMI LAN 50
- (X8ST3-F) 50
- Overheat/PWR Fail/Fan Fail 51
- LED Settings 51
- Solid Overheat 51
- Blinking PWR Fail or Fan Fail 51
- 2-9 SATA Connections 53
- Chapter 3 55
- Troubleshooting 55
- •System conguration 57
- Battery Removal 59
- Proper Battery Disposal 59
- Battery Installation 59
- Chapter 4 61
- 4-2 Main Setup 62
- Boot Feature 64
- Boot Conguration 64
- Power Conguration 65
- SATA Conguration 65
- •Model Name 66
- •Processor ID 67
- •Processor Frequency 68
- •Microcode Revision 68
- •L1 Cache RAM 68
- •L2 L1 Cache RAM 68
- •Processor Version 68
- •Total Memory 70
- •Memory Frequency 70
- •ECC Support 70
- •MRC Version 70
- •USB Module Version 71
- •USB Devices 71
- ACPI Settings 72
- Super IO Conguration 73
- Console Redirection Settings 74
- PCIe/PCI/PnP Conguration 77
- 4-4 IPMI Conguration 80
- 4-4 Event Logs 82
- •Error Code 83
- •Severity 83
- 4-5 Security Settings 84
- 4-6 Boot Settings 87
- •Boot Order #1 88
- 4-7 Save & Exit 89
- Appendix A 91
- BIOS Error Beep Codes 91
- Appendix B 93
- B-2 Installing SuperDoctor5 94
- Appendix C 95
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