This ThinkPad BIOS Update Utility updates the BIOS program stored in the ThinkPad system to fix problems, add new functions, or expand functions as noted below.
This release supports the following IBM systems: - ThinkPad X20, X21
This release supports the following operating systems: - Microsoft Windows 95 OSR2 or later(*1) - Microsoft Windows 98, 98SE(*2) - Microsoft Windows Me - Microsoft Windows NT 4.0 with Service Pack 6 or later - Microsoft Windows 2000
Notes: *1: See the Known Limitations section. *2: Before using this BIOS Update Utility with Windows 98 SE, IBM recommends applying the Windows 98 SE Shutdown Supplement. - Before updating to this BIOS release, you must also update the H8 embedded controller code to version 1.36 or later. There is a link to the latest H8 code at the top of the additional information section.
This Additional Information field contains the following sections:
I. Summary of changes
II. Installation instructions
III. Known limitations
IV. BIOS information
V. Memory map information
I. Summary of changes
Notes:
This BIOS version will only work with Embedded Controller Program Version 1.36 (or higher). See links above to obtain the latest Embedded Controller file.
Attention: for users with the Intel/Xircom Mini PCI combo cards:
BIOS versions 2.07 (IZET88WW) and newer will only work with Intel Boot Agent(IBA) 4.0 or later for WakeOnLan(WOL) based remote installations. If you plan to do remote installations with IBA versions prior to 4.0, then you must use a previous BIOS version to 1.20. Failure to do so may cause the ThinkPad system to hang.
To support boot feature from IBM USB Portable CD-ROM Drive (P/N 33L5151), IBM USB Portable CD-ROM drive driver for DOS (version 1.0 or higher) must be installed in the CD-ROM with El Torito Bootable CD-ROM format. The CD-ROM drive driver is available in another package, IBM USB Portable CD-ROM Drive (33L5151) Driver for DOS Version 1.0 (or higher).
VersionIZET9DWW (2.25) Note: This BIOS version will only work with Embedded Controller Program Version 1.36 (or higher).
(Fix) (DOS) The LS240/120 device installed in the UltraBase X2 option can not be opened/read when the system resumes normal operation from suspend mode.
As written on LANClient Control Manager (LCCM) Compatibility and Configuration Guide, remove the Power-on password prior to flashing the BIOS in LCCM environment.
You need an AC adapter and a charged battery pack to update the system program.
If your computer is attached to any kind of port replicator, turn off the computer and detach it before proceeding.
If a USB Diskette Drive is attached to your computer, turn off the computer and detach it before proceeding.
Before using this BIOS Update Utility with Windows 98 Second Edition, IBM recommends applying the Windows 98 Second Edition Shutdown Supplement from the Microsoft Web site Knowledge Base Article ID Q239887.
Print these instructions or display on another computer.
Firmly connect the AC adapter to the computer.
Start a supported version of Windows on the target computer.
Make a temporary directory (for instance, C:\Temp) on the hard disk drive.
Download the ThinkPad BIOS Update Utility from the web site and store the file into the temporary directory.
Click the Start button, then click Run.
In the Open dialogue box, specify the utility filename with the full path name where you stored ThinkPad BIOS Update Utility. (E.g. C:\Temp\filename.exe) Then press the Enter key.
Follow the instructions. When completed, the system is automatically turned off.
Attention: Do not turn off or suspend the computer until the update has been completed. If you turn off or suspend the computer while the update is still in progress, the system board may have to be replaced.
After the update has been completed, do the following to make the changes effective.
Make sure there is no diskette in the diskette drive, then turn on the computer.
While the Press F1 for IBM BIOS Setup Utility message is displayed at the lower-left area of the screen, press the F1 key. The IBM BIOS Setup Utility menu will be displayed. If a password prompt appears, type the correct password.
Verify the BIOS version and date.
Press the F9 key to load default configuration.
Select Yes.
Press the F10 key to save default configuration.
Select Yes. The system will restart automatically.
III. Known limitations
To execute this package on Windows 95, the following modules are required:
MSVCRT.DLL
MFC42.DLL
IV. BIOS information
Each version of the ThinkPad BIOS Update Utility contains the following system program (BIOS).
The embedded controller manages the Power Management functions of the system.
The BIOS information can be viewed by invoking IBM BIOS Setup Utility.
Make sure there is no diskette in the diskette drive, then turn off the computer.
Turn on the computer.
While the Press F1 for IBM BIOS Setup Utility message is displayed at the lower-left area of the screen, press the F1 key. The IBM BIOS Setup Utility menu will be displayed. If a password prompt appears, type the correct password.
The BIOS version and date are displayed on the first screen of the IBM BIOS Setup Utility.
V. Memory map information
Reserved BIOS area
The following conventional memory addresses are reserved by the system program (BIOS) and others.
C0000-CFFFF: Reserved for Video BIOS
D0000-D1FFF: Reserved for CardBus Controllers
D8000-DBFFF: Reserved for USB BIOS
DC000-DFFFF: Reserved for USB Diskette Drive BIOS
E0000-FFFFF: Reserved for System BIOS
Usable UMB memory area
The following memory address can be used by the memory manager such as EMM386.
