IBM ThinkPad 340CSE/345's/370C Apr. 01, 1998
System Program Service Diskette Ver 1.41
========================================
What This Diskette Does
-----------------------
The System Program Service Diskette given here can update the system
program stored in the ThinkPad system to fix problems, add new functions,
or expand functions. The supported models are as follows.
- ThinkPad 340CSE
- ThinkPad 345C and 345CS
- ThinkPad 370C
To determine if you have to update the system program or not, please
refer to the "Summary of Change" section.
To update the system program, please refer to the "Updating System
Program" section.
Release Version
---------------
Version 1.00 Problem fixes
Version 1.10 Support for 370C, Windows 95 (beta) plug and play function
and a problem fix
Version 1.40 Support for Windows 95 and problem fixes
Version 1.41 Problem fixes
Summary of change
-----------------
Key: <n.nn> Diskette Version (for example, 1.04 means Version 1.04)
(New) New Function or Enhancement
(Fix) Correction to existing function
ThinkPad 340CSE
----------------------------------
<1.00>
- (Fix) Battery is sometimes not fully charged even when charge indicator
turns off.
- (Fix) Fails to resume by Ring Indicator when 'OKI SkyPlus' modem is used.
- (Fix) Errors in data received through Serial Port when line speed is set
to less than or equal to 2400bps.
- (Fix) System will not resume by closing and opening lid after entering
suspend by Fn+F4 keys when suspend option of "Will not suspend
even if LCD is closed" is set on.
- (Fix) Standby request is sometimes rejected while the fuel gauge is
displayed in screen.
- (Fix) System hangs intermittently in OS/2 2.11 and WARP when entering
suspend mode during heavy HDD activity(200MB HDD model only).
- (Fix) Screen corrupts when Fn+F7(LCD-CRT switching function) key is
quickly repeated.
- (Fix) System sometimes hangs when running J3270PC/V and requesting
a screen off by Fn+F3(Standby) or F4(Suspend) keys or Screen off
timer.
<1.10>
- (New) Added plug and play function for Windows 95 (beta).
- (Fix) J3270PC/V problem.
<1.40>
- (New) Windows 95 support
<1.41>
- (Fix) System BIOS does not support Year 2000 correctry.
ThinkPad 345C and 345CS
----------------------------------
<1.40>
- (New) Windows 95 support
ThinkPad 370C
----------------------------------
<1.10>
- (New) Added plug and play function for Windows 95 (beta).
<1.40>
- (New) Windows 95 support
- (Fix) RPL can't be done under the following condition.
- The PCMCIA slot(s) in ThinkPad : PCMCIA ATA
- The PCMCIA slot(s) in Dock-II : PCMCIA RPL
(Token Ring or Ethernet)
- (Fix) Dock-II SCSISelect utility hangs.
<1.41>
- (New) Conforming to new version of VGA chip.
- (Fix) The LCD is intermittently blank after the system resumes normal
operation from suspend mode by opening the LCD panel.
Updating System Program
-----------------------
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, 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. Press and hold the F1 key, then turn on the computer. Hold the F1 key
until the Easy-Setup menu appears.
9. If a password prompt appears, type the correct password.
10. Select Config, then select Initialize.
11. Select OK to initialize the system.
Run the diagnostics to make sure that the computer runs with no errors:
12. Turn off the computer, press and hold the F1 key, then turn on
the computer. Hold the F1 key until the Easy-Setup menu appears.
13. Select Test, then select Start to run all the basic tests.
Various test patterns will appear on the screen.
An OK will appear for each device that passes the test.
14. Verify that OK appears for all of the devices tested.
15. Press the Esc key to exit Test and turn off the computer.
System Program Information
--------------------------
Each version of the System Program Service Diskette contains the following
system program (BIOS). The BIOS P/N, BIOS Date and the BIOS version can be
viewed by invoking Easy-Setup and selecting Config followed by System Board.
340CSE 370C 345C/345CS
---------------- ---------------- ----------------
Disk BIOS BIOS BIOS BIOS BIOS BIOS
Ver P/N Date P/N Date P/N Date
---- ------- -------- ------- -------- ------- --------
1.00 85G7747 02-24-95 N/A N/A N/A N/A
1.10 45H9510 06-04-95 91G0725 06-30-95 N/A N/A
1.40 91G1220 09-13-95 91G1219 09-13-95 91G1221 09-13-95
1.41 97H4068 04-01-98 91G1231 10-31-95 ditto
Service Information
-------------------
The System Program Service diskette installs System Program as follows.
Unused
Reserved
ThinkPad model BIOS P/N Date BIOS Area*
---------------------------------------------------------------
340CSE 97H4068 04/01/98 E000-E7FF (32KB)
370C 91G1231 10/31/95 E000-E5FF (24KB)
* NOTE: Memory Range E000-FFFF is reserved for BIOS, including
Video BIOS. However, the ranges noted in the table above are
not actually used, and may be used by a memory manager such as
EMM386.EXE.
CAUTION:
The areas listed above are valid for the corresponding BIOS
P/N's, and are subject to change in future updates of BIOS.
Reserved Usable
ThinkPad model BIOS P/N Date BIOS Area** BIOS ROM Area**
-----------------------------------------------------------------------
345C and 345CS 91G1221 09/13/95 C000-C7FF E000-EFFF
F000-FFFF
** NOTE: - Memory Range C000-C7FF is reserved for Video BIOS.
- Memory Range E000-EFFF can be used as UMB (Upper Memory Block)
by a memory manager such as EMM386.EXE.
- Memory Range F000-FFFF is reserved for BIOS.
- If desired, Video BIOS may be relocated from C000-C7FF to
E800-EFFF. In this case, C000-C7FF may be used as UMB and
E000-E7FF may be used as UMB.
See User's Guide for details.
The BIOS P/N and the date can be viewed by invoking Easy-Setup and
selecting Config followed by System Board.
Trademarks
----------
IBM and ThinkPad are trademarks of IBM Corporation.
Windows is a trademark of Microsoft Corporation.