
IBM ThinkPad 355's/360's/750's/755C/755Cs               April 25, 1997
System Program Service Diskette Version 1.43
============================================


What This Diskette Does
-----------------------

The System Program Service Diskette can update the system program
stored in the ThinkPad systems to fix problems, add new functions,
or expand functions.  The supported models are as follows.

   - ThinkPad 355, 355C and 355Cs
   - ThinkPad 360, 360C, 360Cs, 360CE, 360CSE, 360P and 360PE
   - ThinkPad 750, 750C, 750Cs, 750Ce and 750P
   - ThinkPad 755C and 755Cs.

To update the system program, please refer to the "Updating System
Program" section.


Released Version
----------------

Version 1.00     Supports 750Cs
Version 1.01     Supports A/D Video Converter
Version 1.02     Corrective service
Version 1.03     Supports 750Ce
Version 1.04     Supports TV Tuner
Version 1.04a    Corrective service
Version 1.05     Supports hard disk drive more than 512MB and CDPD
Version 1.06     Supports 755 and 355/360 families
Version 1.07     Corrective service
Version 1.07a    Corrective service
Version 1.12     Supports Docking Station II
Version 1.13     Corrective service
Version 1.15     Supports 360CE and 360CSE
Version 1.16     Adds a PATCH diskette for Madge TRN ISA card
Version 1.20     Supports Windows 95 (beta) plug and play function
Version 1.40     Supports Windows 95
                 Note:
                 - The 750 family supports APM BIOS 1.0 with Windows 95.
                 - No PnP (Plug and Play) support is available on the 750
                   family (The 750 family supports PnP BIOS 1.0, not 1.0a).
Version 1.40     Year 2000 support for ThinkPads 355/360 & 755C-Cs
Version 1.41     Fixes installation problem of 750 family (except 750Ce)
Version 1.42     VGA chip new version support and corrective service
Version 1.43     New function support



Summary of Changes
------------------
    Note: n.nn  Diskette Version (for example, 1.00 means Version 1.00)
          (New) New Function or Enhancement


ThinkPad 355, 355C, 355Cs, 360, 360C, 360Cs, 360CE, 360CSE, 360P and 360PE
--------------------------------------------------------------------------
 1.06   In block transfer of Video, some dots are missed.
 1.07   Remote IPL from new IBM Token Ring PCMCIA Card doesn't work.
 1.07a  Erroneously mute status of audio feature after booting when Dock I
        attached.
 1.07a  No CD Audio from SCSI CD ROM internal to Dock 1.
 1.07a  Audio Card is re-enabled upon reboot, even when user has selected
        to Disable Audio in PS2 or ThinkPad Features.
 1.12   (New) Add support for Dock 2.
 1.12   COM port disappears after accessed by some applications.
 1.13   False intermittent 8611 and 8613 error code displayed at power on.
 1.15   (New) New model support, 360CE and 360CSE.
 1.15   (New) ThinkPad Space Saver Keyboard(black) support without Device Driver.
 1.15   Reset is not performed after warm docking to ThinkPad Dock II
        Expansion Unit.
 1.15   Erroneously audio muting after undocking ThinkPad Dock II Expansion
        Unit.
 1.15   DOS stand alone dump support for PC3270 Workstation Program doesn't
        work with ThinkPad Dock II Expansion Unit.
 1.15   Printer does not work after suspend/resume.
 1.20   (New) Add plug and play function for Windows 95 (beta).
 1.20   IBM Auto-ISA Token Ring card does not work.
 1.20   Missing diagnostic test of the 2nd DIMM module.
 1.20   Mouse cursor hangs after resume.
 1.40   (New) Windows 95 support
 1.40   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)
 1.40   Dock-II SCSISelect utility hangs.
 1.40   (New) Year 2000 support
 1.42   (New) Conforming to new version of VGA chip, otherwise LCD screen
         becomes shaky in a lower half in case of DSTN LCD models.
 1.42   (Fix) Internal speaker is erroneously disabled after Undock/Dock
         operation.

ThinkPad 750, 750C, 750Cs and 750P
----------------------------------
 1.00   (New) Add support for 750Cs.
 1.00   Intermittent OS/2 hang at the first FDD access following wake-up
        from hibernation.
 1.00   Intermittent 199FE error upon wake-up from hibernation.
 1.01   Suspend mode entered sooner than the specified System Off Timer value.
 1.01   (New) Supports Analog to Digital Video Converter option for Dock 1.
 1.01   Excessive screen flicker after resume (750Cs and 750P only).
 1.02   Video problems on externally attached ISO monitor (750Cs only).
 1.02   Diagnostic long run erroneously reports a 5016 error (750Cs only).
 1.03   Intermittent 19929 error upon resume.
 1.04   (New) Add support for TV Tuner.
 1.04   The external CRT attached to the Dock I goes blank after the
        Operating System is boot-up or resume when the 750's lid is closed.
 1.04   System hang by using ROM free Area E000-E6FF described in ROM.
        Correct range (E000-E5FF in this version) is indicated in the area.
 1.04a  Some of the 16MB memory cards can not be used.
 1.05   (New) Add support for internal IDE HDD with capacity > 512 MB.
 1.05   (New) Add support for CDPD Mobile Communications module (option).
 1.05   Unable to suspend after removing AC adapter.
 1.05   Some video adapters installed in the Dock-I fail with an 103 error.
 1.05   System can't enter the suspend mode again if the AC adapter is
        disconnected or connected during the suspend mode.
 1.06   The Screen Off Timer becomes inactive if any key other than "Fn"
        is depressed to restore the screen.
 1.06   System with some PCMCIA modem card installed may malfunction
        when suspending.
 1.06   Entering the suspend mode may be rejected for around 30 seconds
        with beeps. (This is normal if the CDPD Mobile Communications
        Module is installed.)
 1.12   (New) Add support for Dock 2.
 1.15   DOS stand alone dump support for PC3270 Workstation Program doesn't
        work with ThinkPad Dock II Expansion Unit.
 1.20   Fixed suspend/resume problem with Windows 95 beta.
 1.40   None
 1.41   The system hangs while reading the System Program Service Diskette.
 1.43   (New) Year 2000 support


ThinkPad 750Ce
--------------
 1.03   (New) Add TP750Ce support.
 1.04   (New) Add support for TV Tuner.
 1.04   (New) Add support for CDPD Mobile Communications Module (option).
 1.05   (New) Add support for internal IDE HDD with capacity > 512 MB.
 1.05   The external mouse hangs intermittently after Suspend/Resume
        under the DOSSHELL.
 1.05   195 error occurs after hibernation with ATA PCMCIA card in
        the Port Replicator with PCMCIA.
 1.05   Audio stops after Standby.
 1.06   The CPU information is wrong in the EasySetup.
 1.06   An 118 error occurs.
 1.06   Some video adapters installed in the Dock-I fail with 103 error.
 1.12   (New) Add support for Dock 2.
 1.12   COM port disappears after accessed by some applications.
 1.15   DOS stand alone dump support for PC3270 Workstation Program doesn't
        work with ThinkPad Dock II Expansion Unit.
 1.20   Added some of APM function for Windows 95 (beta).
 1.40   None
 1.43   (New) Year 2000 support


ThinkPad 755C and 755Cs
-----------------------
 1.06   Some video adapters installed in the Dock-I fail with 103 error.
 1.06   RPL from PCMCIA Ethernet card does not work.
 1.06   System hangs when hibernating under the following conditions.
        - One of the primary partitions is HPFS, and
        - The hibernation file is in an extended partition.
 1.07   Remote IPL from new IBM Token Ring PCMCIA Card doesn't work.
 1.12   (New) Add support for Dock 2.
 1.12   COM port disappears after accessed by some applications.
 1.15   (New) ThinkPad Space Saver Keyboard(black) support without Device Driver.
 1.15   Reset is not performed after warm docking to ThinkPad Dock II
        Expansion Unit.
 1.15   Erroneously audio muting after undocking ThinkPad Dock II Expansion
        Unit.
 1.15   DOS stand alone dump support even when ThinkPad Dock II Expansion
        Unit attached for 3270PC.
 1.15   Printer does not work after suspend/resume.
 1.20   (New) Add plug and play function for Windows 95 (beta).
 1.20   IBM Auto-ISA Token Ring card does not work.
 1.20   Missing diagnostic test of the 2nd DIMM module.
 1.20   Mouse cursor hangs after resume.
 1.40   (New) Windows 95 support
 1.40   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)
 1.40   Dock-II SCSISelect utility hangs.
 1.40   (New) Year 2000 support
 1.42   (New) Conforming to new version of VGA chip, otherwise LCD screen
         becomes shaky in a lower half in case of DSTN LCD models.
 1.42   (Fix) LCD screen black out when LCD open during booting after
         setting to no suspend by LID close.



Updating System Programs
------------------------

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.


Disk Ver.:     System Program Service Diskette Version
P/N:           BIOS Part Number
Date:          BIOS Date


                                                            355/355C/355Cs
                                                            360/360C/360Cs
      750/750C/750Cs                                        360CE/360CSE
      750P              750Ce             755C/755Cs        360P/360PE
Disk  ----------------  ----------------  ----------------  ----------------
Ver.    P/N     Date      P/N     Date      P/N     Date      P/N     Date
----  ------- --------  ------- --------  ------- --------  ------- --------
1.00  59G3849 10-14-93    N/A     N/A       N/A     N/A       N/A     N/A
1.01  59G3966 11-19-93    N/A     N/A       N/A     N/A       N/A     N/A
1.02  59G3968 11-25-93    N/A     N/A       N/A     N/A       N/A     N/A
1.03  59G3970 12-20-93  89G4293 11-22-93    N/A     N/A       N/A     N/A
1.04  59G3980 02-28-94  89G4576 02-15-94    N/A     N/A       N/A     N/A
1.04a 59G3985 03-01-94   ditto   ditto      N/A     N/A       N/A     N/A
1.05  59G3983 04-04-94  59G4063 03-18-94    N/A     N/A       N/A     N/A
1.06  59G3987 05-25-94  40G3482 04-27-94  40G3483 04-27-94  89G5074 05-23-94
1.07   ditto   ditto     ditto   ditto    89G5118 06-03-94  89G5119 06-03-94
1.07a  ditto   ditto     ditto   ditto     ditto   ditto    89G5213 06-14-94
1.12  89G5075 07-07-94  89G5076 07-07-94  89G5078 07-20-94  89G5077 07-20-94
1.13   ditto   ditto     ditto   ditto     ditto   ditto    89G5704 09-02-94
1.15  91G0362 10-12-94  91G0363 10-14-94  91G0365 10-14-94  91G0375 10-14-94
1.16   ditto   ditto     ditto   ditto     ditto   ditto     ditto   ditto
1.20  91G0716 03-31-95  91G0720 04-26-95  91G0724 06-30-95  91G0723 06-30-95
1.40   ditto   ditto     ditto   ditto    91G1218 09-13-95  91G1217 09-13-95
1.41   ditto   ditto     ditto   ditto     ditto   ditto     ditto   ditto
1.42   ditto   ditto     ditto   ditto    91G1533 02-15-96  91G1534 02-21-96
1.43  91G1719 03-13-96  91G1720 03-13-96   ditto   ditto     ditto   ditto


Service Information
-------------------

The System Program Service diskette installs System Program as follows.

                                                        Unused
                                                       Reserved
  ThinkPad model               BIOS P/N   Date         BIOS Area*
  --------------------------------------------------------------------
  355, 355C, 355Cs,            91G1534    02/21/96   E000-E5FF (24KB)
  360, 360C, 360Cs, 360CE,
  360CSE, 360P and 360PE
  750, 750C, 750Cs and 750P    91G1719    03/13/96   E000-E5FF (24KB)
  750Ce                        91G1720    03/13/96   E000-E6FF (28KB)
  755C and 755Cs               91G1533    02/15/96   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.


The BIOS P/N and the date can be viewed by invoking Easy-Setup and
selecting Config followed by System Board.




PATCH DISKETTE FOR MADGE TOKEN RING CARD PROBLEM
================================================

     If Madge Token Ring card does not work on Dock1 or Dock2,
     install YPTF$012.SYS in PATCH diskette in accordance with
     READ.ME file.
     Affected Systems are
        - ThinkPad 360, 360C, 360Cs, 360CE, 360CSE, 360P and 360PE
        - ThinkPad 750, 750C, 750Cs, 750Ce and 750P
        - ThinkPad 755C and 755Cs.
     Effective OS is DOS.


Trade Marks
-----------

- Windows is a trademak of Microsoft Corporation
