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Flash BIOS update - ThinkCentre A55 (type 8705, 8706, 8972, 8975, 8982, 8985, 8994, 9265) / M55e (type 6490, 6491, 9278, 9279, 9288, 9379, 9380, 9389, 9632, 9637, 9648, 9649)

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Flash BIOS update (CD ISO image version)
iso
1566.0 KB
Windows 7 (32-bit)
Windows 7 (64-bit)
Windows 8 (32-bit)
Windows 8 (64-bit)
Windows 8.1 (32-bit)
Windows 8.1 (64-bit)
Windows Vista (32-Bit)
Windows Vista (64-Bit)
Windows XP (32-bit)
Windows XP (64-bit)
2OKT48A
12/5/2008
Installation instructions for flash BIOS update (CD ISO image version)

8.1826171875 KB
Windows 7 (32-bit)
Windows 7 (64-bit)
Windows 8 (32-bit)
Windows 8 (64-bit)
Windows 8.1 (32-bit)
Windows 8.1 (64-bit)
Windows Vista (32-Bit)
Windows Vista (64-Bit)
Windows XP (32-bit)
Windows XP (64-bit)
2OKT48A
12/5/2008
Flash BIOS update (diskette version)
exe
975.8505859375 KB
Windows 7 (32-bit)
Windows 7 (64-bit)
Windows 8 (32-bit)
Windows 8 (64-bit)
Windows 8.1 (32-bit)
Windows 8.1 (64-bit)
Windows Vista (32-Bit)
Windows Vista (64-Bit)
Windows XP (32-bit)
Windows XP (64-bit)
2OKT48A
12/5/2008
Installation instruction for Flash BIOS update (diskette version)

8.1806640625 KB
Windows 7 (32-bit)
Windows 7 (64-bit)
Windows 8 (32-bit)
Windows 8 (64-bit)
Windows 8.1 (32-bit)
Windows 8.1 (64-bit)
Windows Vista (32-Bit)
Windows Vista (64-Bit)
Windows XP (32-bit)
Windows XP (64-bit)
2OKT48A
12/5/2008
Flash BIOS update (Flash from operating system version)
exe
2045.2470703125 KB
Windows 7 (32-bit)
Windows 7 (64-bit)
Windows 8 (32-bit)
Windows 8 (64-bit)
Windows 8.1 (32-bit)
Windows 8.1 (64-bit)
Windows Vista (32-Bit)
Windows Vista (64-Bit)
Windows XP (32-bit)
Windows XP (64-bit)
2OKT48A
12/5/2008
Installation instructions for flash BIOS update (Flash from operating system version)

7.5791015625 KB
Windows 7 (32-bit)
Windows 7 (64-bit)
Windows 8 (32-bit)
Windows 8 (64-bit)
Windows 8.1 (32-bit)
Windows 8.1 (64-bit)
Windows Vista (32-Bit)
Windows Vista (64-Bit)
Windows XP (32-bit)
Windows XP (64-bit)
2OKT48A
12/5/2008
This package updates the basic input/output system (BIOS) on ThinkCentre A55 (type 8705, 8706, 8972, 8975, 8982, 8985, 8994, 9265) and ThinkCentre M55e (type 6490, 6491, 9278, 9279, 9288, 9379, 9380, 9389, 9632, 9637, 9648, 9649) systems.

BIOS is programming that controls low-level hardware operations, including interactions with diskette drives, hard drives, and the keyboard. The BIOS is stored on a chip. Your computer uses flash BIOS, which can be updated through a program on a flash diskette so that you do not have to replace the BIOS chip to update the BIOS.

Note: Make note of any settings you have changed in the BIOS Configuration Utility. These settings may have to be re-entered after updating the BIOS.
Additional information
Summary of changes

version 2OKT48A

  • Enhances the keyboard security hole

version 2OKT47A

  • Fixes the problem where an error message is prompted by the fan when system at low temperature ( below -10 degree centigrade)

version 2OKT46A

  • Fixes the problem with the fan when system is at low temperature
  • Fixes Auto Power On issue
  • Updates "DMI3_SERIAL_NUM" in DMI OEM table for LC requirement
Summary of changes made in previous updates
 
Downloading the update
  1. In most instances, you will need only one of the listed exe or iso files.
    • If you prefer to update your BIOS from within Windows, download 2ojy48usa.exe.
    • If you prefer to create a diskette to update your BIOS, download 2ojt48a.exe.
    • If you prefer to create a bootable CD to update your BIOS, download 2oj948a.iso.
  2. Click the appropriate file link to download the file from the Web page.
  3. When prompted, select a drive and directory in which to save the downloaded file, be sure to select a path that does not have a space in its name.
Installing the update

Follow the instructions provided in the corresponding txt file from above.

  • If you prefer to update your BIOS from within Windows, view 2ojy48usa.txt.
  • If you prefer to create a bootable diskette to update your BIOS, view 2ojt48a.txt.
  • If you prefer to create a bootable CD to update your BIOS, view 2oj948a.txt.

Attention: Do not under any circumstance power off or restart the system during the Flash update procedure. Doing so will critically damage your system.

Obtain instructions for extracting a diskette image or if you are extracting this image under Microsoft Windows NT, 2000, or XP


Previous versions
File
Version
Release date
Description
2ojy47usa.exe 2OKT48A 30 Jan 2008 Flash BIOS update (Flash from operating system version)
2ojy47usa.txt 2OKT48A 30 Jan 2008 Installation instructions for Flash BIOS update (Flash from operating system version)
2ojt47a.exe 2OKT48A 30 Jan 2008 Flash BIOS update (diskette version) - Update Diskette
2ojt47a.txt 2OKT48A 30 Jan 2008 Installation instructions for flash BIOS update (diskette version)
2oj947a.iso 2OKT48A 30 Jan 2008 Flash BIOS update (CD ISO image version)
2oj947a.txt 2OKT48A 30 Jan 2008 Installation instructions for flash BIOS update (CD ISO image version)
2ojy46usa.exe 2OKT46A 30 Jan 2008 Flash BIOS update (Flash from operating system version)
2ojy46usa.txt 2OKT46A 30 Jan 2008 Installation instructions for Flash BIOS update (Flash from operating system version)
2ojt46a.exe 2OKT46A 30 Jan 2008 Flash BIOS update (diskette version) - Update Diskette
2ojt46a.txt 2OKT46A 30 Jan 2008 Installation instructions for flash BIOS update (diskette version)
2oj946a.iso 2OKT46A 30 Jan 2008 Flash BIOS update (CD ISO image version)
2oj946a.txt 2OKT46A 30 Jan 2008 Installation instructions for flash BIOS update (CD ISO image version)
2ojy45usa.exe 2OKT45A 15 Nov 2007 Flash BIOS update (Flash from operating system version)
2ojy45usa.txt 2OKT45A 15 Nov 2007 Installation instructions for Flash BIOS update (Flash from operating system version)
2ojt45a.exe 2OKT45A 15 Nov 2007 Flash BIOS update (diskette version) - Update Diskette
2ojt45a.txt 2OKT45A 15 Nov 2007 Installation instructions for flash BIOS update (diskette version)
2oj945a.iso 2OKT45A 15 Nov 2007 Flash BIOS update (CD ISO image version)
2oj945a.txt 2OKT45A 15 Nov 2007 Installation instructions for flash BIOS update (CD ISO image version)
2ojy44usa.exe 2OKT44A 27 Aug 2007 Flash BIOS update (Flash from operating system version)
2ojy44usa.txt 2OKT44A 27 Aug 2007 Installation instructions for Flash BIOS update (Flash from operating system version)
2ojt44a.exe 2OKT44A 27 Aug 2007 Flash BIOS update (diskette version) - Update Diskette
2ojt44a.txt 2OKT44A 27 Aug 2007 Installation instructions for flash BIOS update (diskette version)
2oj944a.iso 2OKT44A 27 Aug 2007 Flash BIOS update (CD ISO image version)
2oj944a.txt 2OKT44A 27 Aug 2007 Installation instructions for flash BIOS update (CD ISO image version)

  • Alias ID: MIGR-66778, MIGR-66778-KR
  • Document ID:DS003900
  • Last Updated :23.6.2014 20:03:41
  • (c) 2014 Lenovo