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Appendix I: How to recover UEFI BIOS
Important Notes:
The emergency UEFI BIOS Recovery process is only used to rescue a system with
a failed or corrupted BIOS image that fails to boot to an OS. It is not intended to be
used as a general purpose BIOS flashing procedure and should not be used as such.
Please do not shutdown or reset the system while the BIOS recovery process is
underway or there is risk of damage to the UEFI recovery bootloader that would
prevent the recovery process itself from working. In no event shall Tyan be liable for
direct, indirect, incidental, special or consequential damages arising from the BIOS
update or recovery.
The BIOS Recovery file is named xxxx.cap, where the 'xxxx' portion is the
motherboard model number. Examples: 5630.cap, 7106.cap, 7109.cap, etc. Please
make sure that you are using the correct BIOS Recovery file from Tyan's web site.
BIOS Recovery Process
1.
Place the recovery BIOS file (xxxx.cap) in the root directory of a USB disk.
2.
Ensure that the system is powered off.
3.
Insert the USB disk to any USB port on the motherboard or chassis.
4.
Power the system on while pressing “Ctrl” and “Home” simultaneously on the
keyboard. Continue to hold these keys down until the following Tyan screen is
displayed on the monitor:
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Summary of Contents for B7126G68AV10E2HR
Page 1: ...1 http www tyan com GC68 A B7126 GC68A B7126 Service Engineer s Manual...
Page 12: ...http www tyan com 12...
Page 32: ...http www tyan com 32 1 5 5 Chassis Dimensions...
Page 33: ...http www tyan com 33 1 5 6 Block Diagram S7126...
Page 40: ...http www tyan com 40 4 Use a screw driver to fasten the rear top cover...
Page 46: ...http www tyan com 46 Memory Population table...
Page 53: ...http www tyan com 53 5 Insert the drive tray into the chassis and close the lever...
Page 55: ...http www tyan com 55 4 Insert the drive tray into the chassis and close the lever...
Page 60: ...http www tyan com 60 4 Insert the M 2 card into the slot Pull the latch to lock the M 2 card...
Page 64: ...http www tyan com 64 Front...
Page 66: ...http www tyan com 66 3 Fasten the chassis ear to the front surface of chassis...
Page 68: ...http www tyan com 68 NOTE...
Page 89: ...http www tyan com 89 2 Unscrew the motherboard to lift it up for replacement...
Page 90: ...http www tyan com 90 NOTE...
Page 93: ...http www tyan com 93 4 2 Block Diagram S7126 Block Diagram...
Page 94: ...http www tyan com 94 4 3 Mainboard Mechanical Drawing...
Page 116: ...http www tyan com 116...
Page 122: ...http www tyan com 122 DIMM Location...
Page 161: ...http www tyan com 161 Numa Enable or Disable Non uniform Memory Access NUMA Disabled Enabled...
Page 165: ...http www tyan com 165 5 3 9 3 1 1 UPI Status Read only...
Page 178: ...http www tyan com 178 5 3 9 5 4 Intel VMD Technology...
Page 180: ...http www tyan com 180 VMD Config for IOU4 Enable Disable VMD in this Stack Disabled Enabled...
Page 186: ...http www tyan com 186 Perf P Limit Enable Disable Performance P Limit Disabled Enabled...
Page 191: ...http www tyan com 191 5 3 10 Memory Topology Read only...
Page 202: ...http www tyan com 202 Max Payload Size PCIE Max Payload Size Selection MPL128B MPL256B...
Page 213: ...http www tyan com 213 NMI Button Enable or Disable NMI button Enabled Disabled...
Page 292: ...http www tyan com 292 NOTE...
Page 294: ...http www tyan com 294 BIOS Temp Sensor Name Explanation...
Page 295: ...http www tyan com 295...
Page 298: ...http www tyan com 298 NOTE...