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SYTPE144.TXT
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1997-01-01
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IBM ThinkPad 755CD/755CE/755CSE/755CV/755CDV/755CX November 26, 1996
System Program Service Diskette Version 1.44
==================================================
+--<< Important Information >>-----------------------------------------+
| |
| For DOS, Windows 3.1 and OS/2 Users: |
| You can continue to update the system program in your ThinkPad |
| with the System Program Service Diskette given here. |
| |
| For Windows 95 Users: |
| You might be required to install the Mwave for Windows 95 after |
| you updated your ThinkPad with this System Program Service |
| Diskette. The version for the Mwave for Windows 95 should be |
| Version 2.00 or higher. Without these installation, Windows 95 |
| will not work correctly. |
| When you update the system program with the System Program |
| Service Diskette, please get the Mwave diskettes, and follow |
| Mwave installation instruction document to install the Mwave |
| support software in Windows 95 successfully. |
| |
+----------------------------------------------------------------------+
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 755CD, 755CE, 755CSE, 755CV, 755CDV and 755CX.
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.
Released Version
----------------
Version 1.00 A fix for some problems
Version 1.01 Pentium Processor Upgrade Support
Version 1.20 A fix for some problems and New Models Support
Limited Distribution
Version 1.30 Windows 95 (beta) Plug and Play Function Support
and fix for some problems
Version 1.40 Windows 95 Support and fix for some problems
Version 1.41 A fix for some problems
Version 1.43 A fix for some problems
Version 1.44 A fix for some problems
Summary of Change
-----------------
Key: <n.nn> Diskette Version (foe example, 1.00 means Version 1.00)
(New) New Function or Enhancement
(Fix) Correction to existing function
<1.00>
- (New) Add support for PC3270-J.
- (New) (Password Menu in Easy-Setup) Add warning beep(s) at the password
entry panel if password longer than 8 digits is entered.
- (New) (Date/Time Menu in Easy-Setup) The default Year set of Date/Time
panel is changed from 1994 to 1995.
- The screen of TFT panel may have intermittently some noises at the low
temperature.
- The keyboard hangs at the password prompt of Hard Disk Password.
- The system hangs when DOS 6.3/V (Japan) installer formats the hard disk.
- A vertical bar appears on the left side of screen when an ISO CRT
monitor is attached and also the simultaneous display mode is selected
(STN color panel only).
- The screen may be corrupted on resume operation.
- 1.2MB format diskette in the external FDD can't be read.
- Some printers may not work.
- Ethernet remote IPL can't be done.
- PCMCIA hard disk can't be booted up when more than three IDE/SCSI hard
disk drives are attached to the system.
- CD-ROM data in the internal CD-ROM drive may be corrupted when CD-ROM
reading or CD-ROM to hard disk copying (755CD only).
- Power-on or resume operation can be done even if the keyboard is raised.
- Resume operation can't be completed when any keys are depressed during
the resume.
- The mouse (TrackPoint) hangs when the Power-on Password is set.
- The serial or parallel data transfer fails when the SMI (System
Management Interrupt) is generated.
- The percentage of remaining power of Fuel-Gauge program may become over
100 % at the full charge.
- The power source (AC Adapter or Battery) indicator of Fuel-Gauge program
is not changed when the AC Adapter is attached.
- The pop-up low battery warning message by ThinkPad feature doesn't
appear when the remaining power of battery becomes low.
- Battery discharge information becomes invalid when the keyboard is
raised to go into the partial suspend.
- The 'Resume on timer' is not performed when 'Resume on incoming call'
is disabled in the ThinkPad feature.
- The TrackPoint may hang on resume.
- The screen may become blank when the system resumes normal operation
from hibernation mode (STN color panel only).
- A graphical hibernation message is not displayed when a specific
PS/Value Point CRT monitor is attached and the system goes into the
hibernation mode (STN color panel only).
- The mouse (TrackPoint) hangs at suspend/resume operation when
unattended resume is performed.
- The screen may intermittently become blank when the system resumes
normal operation from the suspend mode at the low temperature
(STN color panel only).
- The screen becomes blank when the LCD/external display switching key
(Fn+F7 key) is continuously pressed very much many times.
- The hard disk data may be corrupted when docked with the Dock-I with
some video adapter cards installed.
- The system may resume normal operation immediately when the system goes
into the suspend mode (755CD only).
- Suspend timer, Stand-by timer and Hibernation timer are performed later
than the setup value (the timers are delayed).
- Resume operation can't be done when both an AC adapter and an external
keyboard are attached.
- The spindle motor of PCMCIA hard disk drive doesn't stop when the
system goes into the suspend mode.
- The system hangs when the system goes into the safe suspend mode, and
goes into the hibernation mode by the hibernation timer, and then
powered on.
- The password prompt appears twice when the system resumes normal
operation by 'Resume on incoming call' or 'Resume on timer'.
- (Date/Time Menu in Easy-Setup) A small bug in the Year set in the
Date/Time panel.
- (Test Menu in Easy-Setup) The Display Diag has the wrong message of
80x25x16 9x16 pattern.
- (Test Menu in Easy-Setup) Error log isn't printed out during the DSP
Diag (Advanced Diag mode).
- (Test Menu in Easy-Setup) The arrow keys don't work correctly on the
Diag panel.
- (Test Menu in Easy-Setup) The screen becomes blue in the Display Diag.
<1.01>
- (New) Support Pentium processor upgrade kit.
<1.20>
- (New) Support 755CX/CV/CDV.
- IBM Auto-ISA Token Ring card does not work.
- Even if hibernation file size is invalid, error message is not shown.
- Personalization feature has garbages on the screen.
- The screen is distorted in the Windows DOS box after resuming normal
operation.
- COM3/COM4 with FIFO does not work after resuming normal operation.
<1.30>
- (New) Support Windows 95 (beta version) Plug and Play.
- Under the DOS and OS/2 dual boot feature, OS/2 CD-ROM device driver
can't detect the CD-ROM drive attached in OS/2 mode, if the CD-ROM
sleep mode is once entered in the DOS mode.
- CDPD adapter does not work.
- (Test Menu in Easy-Setup) The system hangs when CTRL+K keys are pressed
while the cursor is moving.
<1.40>
- (New) Support Windows 95.
- (New) Support ThinkPad 755CX with VGA LCD model.
- Year of date doesn't become 2000 after 1999.
- The cursor on the screen of ISO compliant monitor has flickers
(755CSE only).
- Mwave error messages may appear on the DOS screen if Mwave DSP is
disabled. (This depends on the version of Mwave drivers.)
- If Mwave modem is disabled, the SCSI IRQ of Dock-II can't be changed to
other than IRQ 11 in the Dock-II's SCSI Select utility.
- RPL can't be made from the PCMCIA Token-Ring card installed in Dock-II
when a PCMCIA ATA drive is installed in ThinkPad.
- The cursor on the screen of ISO compliant monitor has flickers
(755CSE only).
- (Password Menu in Easy-Setup) When the supervisor password is changed
after the POST 159 error (The hard-disk password differs from the
supervisor password) is displayed, the hard-disk password is
overridden by the supervisor password, which should not be changed.
<1.41>
- The serial or parallel port data communication is sometimes broken, or
the modem/fax communication can't be established correctly
- The screen of external CRT attached the video card which is installed
in Dock-I or Dock-II may be frozen in the graphic mode.
(The screen may be frozen when Windows initial logo screen appears.)
- A part of Windows* 95 APM HCT doesn't pass.
- In Windows 95, the system can't go into suspend mode when 'Standard'
option is selected in the power management setting of
₧My ComputerÄ-₧Control PanelÄ-₧Power ManagementÄ.
<1.43>
- (Fix) Intermittent keyboard hang up problem when external mouse is
connected.
<1.44>
- (Fix) A small amount (8KB) of data could be overwritten and lost
under the following circumstances:
- Hibernation is Enabled.
- There is data present on the last cylinder of the Hard
Disk Drive. This Is the last area on the drive to be used,
but may contain user data if the drive has been full or
contains very large files.
- The ThinkPad actually enters Hibernation mode by pressing
Fn-F12 or by customized power management options.
NOTE: - The problem does not occur when creating the Hibernation
file.
- It only occurs when the ThinkPad actually enters
Hibernation mode.
- Only 2.1GB Hard Disk has this problem. There is no
problem with other hard disks currently available from
IBM.
Updating System Program
-----------------------
Notes: - You need an AC adapter and a charged battery pack to update
the system program.
- If your computer is attached to a ThinkPad Dock I, Dock II or
a port replicator, turn off the computer and detach it before
proceeding.
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 and the date can be viewed by invoking
Easy-Setup and selecting Config followed by System Board.
Diskette BIOS BIOS
Version P/N Date
-------- ------- --------
1.00 91G0439 02-13-95
1.01 85G1944 03-17-95
1.20 91G0722 04-25-95
1.30 91G0730 06-30-95
1.40 91G1223 09-12-95
1.41 91G1529 01-18-96
1.43 91G1873 08-07-96
1.44 91G2006 11-07-96
Service Information
-------------------
The System Program Service diskette installs System Program as follows.
Reserved Usable
ThinkPad Model BIOS P/N Date BIOS Area* BIOS ROM Area*
------------------------------------------------------------------------
755CD/CE/CSE/CV/CDV/CX 91G2006 11/07/96 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.
* Windows is a Trademark of Microsoft Corporation.
* Pentium is a Trademark of Intel Corporation.