IBM ThinkPad 240 November 26, 1999
System Program Service Diskette
Diskette Version : 1.08
BIOS Version : IRET62WW
========================================================================
Notice:
-------
This program is language independent and can be used with any language
system.
What This Diskette Does
-----------------------
This System Program Service Diskette updates the system BIOS program
stored in the ThinkPad system to fix problems, add new functions, or
expand functions as noted below. The supported models are as follows.
- ThinkPad 240
To determine if you should update the system program, please refer to
the "Summary of Changes" section.
To update the system program, please refer to the "Updating System
Program" section.
Released Versions
-----------------
Version 1.00 (IRET14WW) Problem fixes (Initial release)
Version 1.02 (IRET17WW) Problem fixes
Version 1.04 (IRET19WW) Problem fixes
Version 1.05 (IRET42WW) Problem fixes for Windows 2000 Beta 3
Version 1.06 (IRET60WW) - Support for ThinkPad 240 3xx model
- Problem fixes
Version 1.08 (IRET62WW) - Setting for "Modem for Legacy OS"
- Support for Command Prompt Utility (PS2.EXE)
for Windows NT 4.0
- Problem fixes
Summary of Changes
------------------
Where: <x.xx - yyyyyyyy>
x.xx : Diskette version
yyyyyyyy : BIOS version
For example,
<1.00 - IRET14WW> means the diskette version is 1.00,
and the BIOS version is IRET14WW.
(New) New Function or Enhancement
(Fix) Correction to existing function
<1.00 - IRET14WW>
- (Fix) Entering IBM BIOS Setup Utility by pressing F1 key is too slow.
- (Fix) Incorrect installed memory information at IBM BIOS Setup
Utility.
- (Fix) Supervisor password accepts more than 8 unnecessary characters.
- (Fix) Audio volume setting is reset after reboot.
- (Fix) Remove unnecessary debug statement in POST (Power-on Self Test)
when Startup screen is disabled at BIOS setup.
- (Fix) The battery life becomes worse because the MPU clock throttling
function is sometimes disabled.
<1.02 - IRET17WW>
- (New) Mute key (Fn + Backspace keys) can disable POST (Power-on Self
Test) beep sound.
- (Fix) The LCD display screen intermittently becomes white out when
standby mode key (Fn + F3 keys) then any key are pressed
quickly.
- (Fix) ThinkPad Configuration program displays wrong System Unit
Serial Number and System Board Serial Number.
- --- Conforming a new type of LCD display panel.
<1.04 - IRET19WW>
- (Fix) (The U.S.A. keyboard model only)
Powering on the system immediately after attaching a battery
pack or AC adapter may cause the system to intermittently
reboot.
- (Fix) (The Japanese keyboard model only)
The key of '@' (at mark) does not work as the 'Enter' key when
the numeric keypad is enabled.
<1.05 -IRET42WW>
Windows 2000 Beta 3
- (Fix) (Windows 2000 Beta 3) Can't use the Hibernation Timer.
- (Fix) (Windows 2000 Beta 3) Can't access CardBus cards.
- (Fix) (Windows 2000 Beta 3) Can't print out any data after resuming
normal operation from suspend mode.
- (Fix) (Windows 2000 Beta 3) Can't access the diskette drive after
resuming normal operation from suspend mode.
- (Fix) (Windows 2000 Beta 3) No audio sounds after resuming normal
operation from suspend mode.
- (Fix) (Windows 2000 Beta 3) Can't use the standard game port.
<1.06 -IRET60WW>
- (New) Support for ThinkPad 240 3xx model.
- (Fix) The system enters standby or suspend mode by depressing the
Ctrl+Alt+F3 or Ctrl+Alt+F4 keys, respectively.
- (Fix) Redi-Safe function is slow.
- (Fix) The system hangs without any warning message when additional
memory is installed and the system enters hibernation mode.
- (Fix) When the system boots with a PC-DOS's non-system diskette,
the system will prompt to replace it with a system (bootable)
diskette. But the system does not boot from the bootable
diskette (and will boot from the drive C).
<1.08 -IRET62WW>
- (New) Setting for "Modem for Legacy OS" is added in Advanced Setup
menu of IBM BIOS Setup Utility.
- (New) Support for Command Prompt Utility (PS2.EXE).
- (Fix) (Windows NT 4.0)
The system intermittently hangs with blue screen error if
Power Management Support software (PowerProfiler) for Windows
NT 4.0 is installed.
- (Fix) L2 Cache remains disabled when the system resumes normal
operation from suspend mode.
- (Fix) Startup order of boot devices in IBM BIOS Setup Utility could
be changed only by the + or - key of the U.S.A. keyboard
layout. Now F5 and F6 keys can be used, instead.
Updating System Program
-----------------------
To determine if you should update the system program, please refer to
the "Summary of Changes" section.
Notes: - You need an AC adapter and a charged battery pack to update
the system program.
1. Print these instructions or display on another computer.
2. Firmly connect the AC adapter to the computer.
3. Insert the System Program Service Diskette into the diskette drive
and turn on the computer.
4. Select "Read this first..." from the menu and carefully read the
information that appears.
5. Press the Esc key to return to the menu.
6. Select "Update system program" and follow the instruction on the
screen.
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 and system has restarted, do the
following to make the changes effective.
7. Make sure the System Program Service Diskette is removed from the
diskette drive, then turn off the computer.
8. Turn on the computer with pressing F1 key. The system enters
IBM BIOS Setup Utility automatically.
9. If a password prompt appears, type the correct password.
10. Press F9 key.
11. Select "Yes" to load default configuration.
12. Press F10 key.
13. Select "Yes".
14. The system restart automatically.
System Program Information
--------------------------
Each version of the System Program Service Diskette contains the
following system program (BIOS).
Diskette BIOS BIOS
Version Version Date
-------- -------- --------
1.00 IRET14WW 06-22-99
1.02 IRET17WW 07-29-99
1.04 IRET19WW 08-20-99
1.05 IRET42WW 09-03-99
1.06 IRET60WW 10-26-99
1.08 IRET62WW 11-25-99
The BIOS Version can be viewed by selecting "System Board" at "Config"
in the "IBM BIOS Setup Utility" menu.
Service Information
-------------------
The System Program Service diskette installs System Program as follows.
ThinkPad Model BIOS Version Reserved BIOS Area
-------------- ------------ --------------------------------------
240 IRET62WW C0000-CBFFF (Reserved for Video BIOS)
E0000-FFFFF (Reserved for BIOS)
The BIOS Version can be viewed by selecting "System Board" at "Config"
in the "IBM BIOS Setup Utility" menu.
Trademarks
----------
* IBM and ThinkPad are registered trademarks of IBM Corporation.
* PowerProfiler is a trademark of SystemSoft Corporation.
* Windows is a registered trademark of Microsoft Corporation.
Other company, product, and service names may be registered trademarks,
trademarks or service marks of others.