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BIOS Update (Non-Diskette) - ThinkPad A20m
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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 system:
- ThinkPad A20m
Notes:
The supported operating systems for this update utility are as follows:
- Microsoft Windows 95
- Microsoft Windows 98 and 98 Second Edition
- Microsoft Windows Me
- Microsoft Windows 2000
- Microsoft Windows NT 4.0 with Service Pack 3 or later
- Microsoft Windows XP
- This program is language independent and can be used with any language system. |
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| Version: |
IWET59WW (1.13) |
| Release Date: |
2003/09/05 |
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| File link |
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File size |
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File description |
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| spsuiw59.exe |
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886,703 |
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System Program Service Utility
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| spsuiw59.txt |
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12,657 |
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README for System Program Service Utility
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| Use the links below to obtain the BIOS file in other file formats: |
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I. Summary of changes
II. Installation instructions
III. Known Limitations
IV. Memory information
V. BIOS information
Version IWET59WW (1.13)
- (New) Added a BIOS option to disable built-in network card ROM using upper 640KByte location. (Some network card features will be disabled)
- (New) Improve security related process.
- (Fix) If Lid close action beep is enabled, LCD close during OS boot may cause continuous beep.
- (Fix) (Windows98) Error message appears on 2nd hibernation wakeup with New USB Memory Key.
- (Fix) Hibernation swap area destroys POST work area.
- (Fix) Fix the incorrect setting of PCI IRQ routing in docking station CardBus controller.
Click here for a complete list of changes fixed by this BIOS update.
Notes:
- You need an AC adapter and a charged battery pack to update the BIOS.
- 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 Microsoft 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 Microsoft 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 Start and 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 and 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.
To execute this package on Microsoft Windows 95, the following modules are required:
The following information shows memory areas that are either unavailable or that can be included with a memory manager such as EMM386.
Reserved BIOS area
C0000-CFFFF (reserved for Video BIOS)
E0000-FFFFF (reserved for BIOS)
Each version of the BIOS update diskette contains the following system program information.
| 1.03 |
IWET47WW |
21 Dec 1999 |
1.00 |
not released on the web |
| 1.04 |
IWET48WW |
21 Dec 1999 |
1.00 |
spsuiw48 |
| 1.05 |
IWET50WW |
21 Dec 1999 |
1.00 |
spsuiw50 |
| 1.06 |
IWET51WW |
21 Dec 1999 |
1.00 |
spsuiw51 |
| 1.07 |
IWET52WW |
21 Dec 1999 |
1.00 |
spsuiw52 |
| 1.08 |
IWET54WW |
21 Dec 1999 |
1.00 |
spsuiw54 |
| 1.09 |
IWET55WW |
21 Dec 1999 |
1.00 |
spsuiw55 |
| 1.10 |
IWET56WW |
21 Dec 1999 |
1.00 |
spsuiw56 |
| 1.11 |
IWET57WW |
21 Dec 1999 |
1.00 |
spsuiw57 |
| 1.12 |
IWET58WW |
21 Dec 1999 |
1.00 |
spsuiw58 |
| 1.13 |
IWET59WW |
21 Dec 1999 |
1.00 |
Current release |
The BIOS information can be viewed by invoking IBM BIOS Setup Utility.
- Make sure there is no diskette in the diskette drive and 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.
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| Applicable countries and regions |
| Worldwide |
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| Document id: MIGR-4MNN8Z |
| Last modified: 2005-03-10 |
| Copyright © 2010 IBM Corporation |
| Copyright © Lenovo 2010, all rights reserved |
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