刚刚下载了这bios update的说明文件，看了一下，还是比较容易操作的，
,转贴出来主要部分，用T23的xdjm都看看吧
M ThinkPad T23 July 16, 2002
ThinkPad BIOS Update Utility
Utility Version : 1.13
BIOS Version : 1.13 (1AET56WW)
======================================================================
Notice:
This program is language independent and can be used with any language
system.
What This Package Does
----------------------
This ThinkPad BIOS Update Utility updates the system BIOS program
stored in the ThinkPad system to fix problems, add new functions, or
expand functions as noted below.
This release supports the following system:
- ThinkPad T23
The supported operating systems are as follows:
- Windows 95 OSR2 or later
- Windows 98 and 98 Second Edition
- Windows Me
- Windows 2000
- Windows NT 4.0 with Service Pack 3 or later
- Windows XP
Summary of Changes
------------------
Key:
Utility Version (for example, 1.00 means Version 1.00)
(New) New Function or Enhancement
(Fix) Correction to existing function
<1.13 - 1AET56WW>
- (New) Support B1 step of Mobile Intel Pentium III Processor-M.
- (New) Support UltraDMA function for ZIP250 drive
- (Fix) Eliminate high pitched noise (from power circuit) that may
occur with some applications using DirectX.
- (Fix) Prevent POST 175 error which could occur if system is powered
off during POST.
- (Fix) When disabling a device in the Startup menu of BIOS Setup,
the device would sometimes disappear from the menu and could
not be re-enabled.
Installation instructions
-------------------------
NOTES:
- You need an AC adapter and a charged battery pack to update the
system program.
- If your computer is attached to any kind of docking station or port
replicator, 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.
1. Print these instructions or display on another computer.
2. Firmly connect the AC adapter to the computer.
3. Start a supported version of Windows on the target computer.
4. Make the temporary directory on the hard disk drive
(for instance, C:\Temp)
5. Download the ThinkPad BIOS Update Utility from the web site and store
the file into the temporary directory.
6. Click the Start button and then click Run.
7. 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\1AUJ13US.EXE) Then press the Enter key.
8. Follow the instructions.
9. When completed, the system is automatically turned off.
WARNING: 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.
10.Make sure there is no diskette in the diskette drive, then turn on
the computer.
11.While the Press F1 for IBM BIOS Setup Utility message is displayed
at the lower-left area of the screen, press F1 key. The IBM BIOS
Setup Utility menu will be displayed. If a password prompt appears,
type the correct password.
12.Verify the BIOS version and date.
13.Press the F9 key to load default configuration.
14.Select Yes.
15.Press the F10 key to save default configuration.
16.Select Yes. The system will restart automatically.
Unattended Installation:
1. Do the same instructions above from step 1 to step 6.
2. Specify filename with the full path name where you stored ThinkPad
BIOS Update Utility with options -s -a -s (For example,
C:\Temp\1AUJ13US.EXE -s -a -s) and then press the Enter key. Windows
will shut down automatically. The system BIOS program will be updated
without any user interaction.
