Summary of changes for BIOS update - ThinkCentre M90z

version 9BKT42A

  • Base on 9BKT41A/9BJT41A and modify the item:
    1.Update MEBX to version 6.1.0.06

version 9BKT41A

  • Based on 9BKT38A/9BJT38A and modify the item:
    1.Improve the USB mosue compatibility in DOS.

version 9BKT38A

  • Based on 9BKT37A/9BJT37A and modifies the items:
    1. Improve the boot block protection function.
    2. Improve the K0 stepping CPU compatibility.

version 9BKT36A

  • Based on 9BKT35A/9BJT35A and modifies the items:
    1. Changes TOKEN "FV_ERROR_LOGGING_SIZE" from 1K to 32K
    2. Adds flash_block_size equal 4K support for logo rom hole

version 9BKT35A

  • Upgrades BIOS Setup Menu Muti-Languae
  • EFI BIOS can not detect key patch update, adds Key MonFilter module part
  • Adds WMIPreloadLanguage Module

version 9BKT34A

  • Fixes BIOS Layout issue
  • Fixes RBM(WMI) issue cannot show F11 item in Startup Interrupt Menu after Ctrl+Alt+Del. Password change input of BRM Multi-countries Keyboard disagree with BIOS setup menu.
  • Fixes issue: No beep sound when setting a HDD password by using illegal code
  • Patches issue: Can boot from bootable device that excluded from boot order
  • Fixes issue: Show 0162 error after clear PAP
  • Patches issue: update EC with afudos 2.32, EC revision not update in BIOS setup menu, but after reboot again, it would be normal
  • Fixes issue: Srdos/win can't loaded default the item Hardware Password Manager
  • Fixes issue: srdos can not store the "front button control" item

version 9BKT33A

  • Adds "DP Audio Support" in setup menu
  • Updates CPU micro code to CPUID 0x00020655

version 9BKT32A

  • Adds patch for reboot

version 9BKT31A

  • Patch to fix update 29A BIOS would appear BSOD issue if update BIOS without /BB command
  • Patch for SLP_S3# Minimum Assertion Width set as 2s which don't adjust BB

version 9BKT30A

  • Patch: modifies the SLP_S3# Minimum Assertion Width to 11(2-2.0002s)
  • Notice: This patch update FV_BB, so it should add the command for update BootBlock when update BIOS.

version 9BKT29A

  • Adds BIOS setup menu item to implement MMB enable/disable function
  • Adds Setup menu beep warning solution
  • Adds workaround for S5 WOL fail
  • Fixes issue: Remove AC and recovery (do twice), system would auto boot
  • Adds a HPM issue solution
  • Adds Patch code for 0199 POST error
  • Updates BIOS setup menu by layout 1.17
  • Changes to 2.31B9 in release package

version 9BKT28A

  • Updates LenovoCore eModule
    • fixes issue: when installing both PS2 and USB keyboard, the PS2 keyboard will not respond in "Startup Interrupt Menu"
    • fixes issue: implements F11 Hotkey feature
  • Fixes issue: No beep sound when setting a password by using illegal code
  • Fixes issue: Can set password with key combination "Ctrl+Alt+ number/Char"
  • Supports SMC (iSCSI boot) function
  • Short term solution for SMC + BSOD: enable or disable the Patch for BSOD by value of "Boot Agent"
  • Updates Afuwin 2.32 in release package

version 9BKT27A/9BJT27A

  • Patches issue: system would BSOD when entering USB KB key during Windows logo.
  • Patches issue: PC Doctor test failed (CMOS RAM).
  • Patches issue: Force boot from HD/CD/PXE fail while SATA set as IDE mode.
  • Patches issue: Can't done S3/S4/S5 when entering OS at the first time after disabling LAN in CMOS.
  • Adds code to backup/restore Nvram SMI as Gibson request.
  • Hides the BIOS item "Power->Enhanced Power Saving Mode" as Gibson request.
  • Fixes issue: after update smbios type 11 by amidedos.exe, system reboot always.
  • Updates Afudos.exe rev 2.32.

version 9BKT26A/9BJT26A

  • Based on 25A BIOS code base and only updates vbios to ild_1994_QU8V02.dat.
  • Updates EC to 25A in release package.

version 9BKT25A/9BJT25A

  • Fixes system which could not go to hibernate when set 1min s3 then 2min s4 in power option.
  • Fixes keyboard hang after flash EC issue under DOS.
  • Routing GPIO13 to SCI function to ASL code to avoid EC SCI potential possible affect to BIOS.
  • Updates for fasting boot.
  • Updates to patch "BSOD when enter Keborad key during Windows logo".
  • Updates newer version of vbios to ild_2026_QU8V01.dat.
  • Adds new function "Ambient Light Sensor".
  • Updates Maebashi_QST_Q57_AIO_v1.2_100609.ini in 8M BIN file.

version 9BKT23A/9BJT23A

  • Fixes issue that when there is a bootable USB key, force HDD boot always fail.
  • Patches afu2.31B9 for flash EC shout down issue.
  • Fixes issue that IDER CD and Floppy fail: AMT client halt with a black sreen after post finishing.
  • Updates MIC mute patch to fix long run fail issue.
  • Fixes after disable Express Card in CMOS can't enter OS issue.
  • Fixes this issue: remove CMOS battery and AC, wait for a while, then recover them, power on hung up at OEM logo screen.


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Country Availability
AvailableWorldwide
Document ID : HT037632
Legacy Document ID : MIGR-75688
Last Updated :
Copyright © Lenovo 2013, all rights reserved
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