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13.213 bytes |
Service Hints & Tips |
Document ID: LWIK-3NSPPZ |
TP 755CE/CSE/CD/DV/CDV/CX - Bios Date and Part Number Matrix
Applicable to: Canada, United States
Check through EZSetup - F1 on cold boot. Click on CONFIG and then SYSTEM BOARD
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755 |
755 | |||
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Disk Version |
Part # |
Date |
Part# |
Date |
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1.00 |
91G0439 |
2-13-95 |
N/A |
N/A |
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1.01 |
91G0713 |
3-17-95 |
N/A |
N/A |
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1.20 |
91G0722 |
4-25-95 |
91G0722 |
4-25-95 |
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1.30 |
91G0730 |
6-30-95 |
91G0730 |
6-30-95 |
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1.40 |
91G1223 |
9-12-95 |
91G1223 |
9-12-95 |
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1.41 |
91G1529 |
1-18-96 |
91G1529 |
1-18-96 |
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1.43 |
91G1873 |
8-07-96 |
91G1873 |
8-07-96 |
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1.44 |
91G2006 |
11-07-96 |
91G2006 |
11-07-96 |
1.00 (New) Add support for PC3270-J.
1.00 (New) (Password Menu in Easy-Setup) Add warning beep(s) at the password entry panel if password entry longer than 8 digits is entered.
1.00 (New) (Date/Time Menu in Easy-Setup) The default Year set of Date/Time panel is changed from 1994 to 1995.
1.00 The screen of TFT panel may have intermittently some noises at the low temperatures.
1.00 The keyboard hangs at the password prompt of Hard Disk Password.
1.00 The system hangs when DOS 6.3/V (Japan) installer formats the hard disk.
1.00 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).
1.00 The screen may be corrupted on resume operation.
1.00 1.2MB format diskette in the external FDD can't be read.
1.00 Some printers may not work.
1.00 Ethernet remote IPL can't be done.
1.00 PCMCIA hard disk can*t be booted up when more than three IDE/SCSI hard disk drives are attached to the system.
1.00 CD-ROM data internal CD-ROM drive may be corrupted when CD-ROM reading or CD-ROM to hard disk copying (755CD only)
1.00 Power-on or resume operation can be done even if the keyboard is raised.
1.00 Resume operation can*t be completed when any keys are depressed during the resume.
1.00 The mouse (TrackPoint) hangs when the Power-on Password is set.
1.00 The serial or parallel data transfer fails when the SMI (System Management Interrupt) is generated.
1.00 The percentage of remaining power of Fuel-Guage program may become over 100% at the full charge.
1.00 The power source (AC Adapter or Battery) indicator of Fuel-Guage program is not changed when the AC Adapter is attached.
1.00 The pop-up low battery warning message by ThinkPad feature doesn't appear when the remaining power of battery becomes low.
1.00 Battery discharge information becomes invalid when the keyboard is raised to go into the partial suspend.
1.00 The Resume on timer is not performed when Resume on incoming call is disabled in the ThinkPad feature.
1.00 The TrackPoint may hang on resume.
1.00 The screen may become blank when the system resumes normal operation from hibernation mode (STN color panel only)
1.00 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.)
1.00 The mouse (TrackPoint) hangs at suspend/resume operation when unattended resume is performed.
1.00 The screen becomes blank when the LCD/External display switching key (Fn+F7) is constantly pressed many times.
1.00 The hard disk data may be corrupted when docked with the Dock-1 with some video adapter cards installed.
1.00 The system may resume normal operation immediately when the system goes into te suspend mode (755CD only).
1.00 Suspend timer, stand-by timer and hibernation timer are performed later than the setup value (the timers are delayed).
1.00 Resume operation can*t be done when both an AC adapter and an external keyboard are attached.
1.00 The spindle motor of PCMCIA hard disk drive doesn't stop when the system goes into the suspend mode.
1.00 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.
1.00 The password prompt appears twice when the system resumes normal operation by Resume on incoming call or Resume on time.
1.00 (Date/Time Menu in easy-setup A small bug in the Year set in the Date/Time panel.
1.00 (Test Menu in Easy-Setup) The Display Diag has the wrong message of 80x25-x16 9x16 pattern.
1.00 (Test Menu in Easy-Setup) Error log isn't printed out during the DSP Diag (Advanced Diag mode).
1.00 (Test Menu in Easy-Setup) The arrow keys don't work properly on the Diag panel.
1.00 (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.
1.20 IBM Auto-ISA Token Ring card does not work.
1.20 Even if hibernation file size is invalid, error message is not shown.
1.20 Personalization feature has garbage on the screen.
1.20 The screen is distorted in the Windows DOS box after normal operation.
1.20 COM3/COM4 with FIFO does not work after resuming normal operation.
1.30 (New) Support Windows95 (beta version) Plug and Play.
1.30 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.
1.30 CDPD adapter does not work.
1.30 (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.
1.40 (New) Support ThinkPad 755CX with VGA LCD model.
1.40 Year of date doesn*t become 2000 after 1999.
1.40 The cursor on the screen of ISO compliant monitor has flickers (755CSE only).
1.40 Mwave error message may appear on the DOS screen if Mwave DSP is disabled. (This depends on the version of Mwave driver)
1.40 If Mwave mode 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.
1.40 RPL can't be made from the PCMCIA Token-Ring card installed in the Dock-II when a PCMCIA ATA drive is installed in ThinkPad
1.40 The Cursor on the screen of ISO compliant monitor has flickers (755CSE only).
1.40 hanged.
1.41 The serial or parallel port data communication is sometimes broken, or the modem/fax communication can't be established correctly.
1.41 The screen of external CRT attached the video card which is installed in Dock-1 or Dock II may be frozen in the graphic mode. (The screen may be frozen when windows initial logo screen appears.)
1.41 A part of Windows* 95 APM HCT doesn't pass.
1.41 In Windows 95, the system can't go into suspend mode when 'Standard'. option is selected in the power management setting of My Computer-Control Panel Power Management.
1.43 (Fix) Intermittent keyboard hang up problem when external mouse is connected.
1.44 (Fix) A small amount of (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 only happens with the 2.1GB Hard Disk.
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.
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Search Keywords |
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Hint Category |
BIOS | |
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Date Created |
13-11-97 | |
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Last Updated |
02-04-98 | |
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Revision Date |
13-03-99 | |
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Brand |
IBM ThinkPad | |
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Product Family |
ThinkPad 755CE/CSE, ThinkPad 755CX, ThinkPad 755CV, ThinkPad 755CD, ThinkPad 755CDV | |
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Machine Type |
9545 | |
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Model |
Various | |
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TypeModel |
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Retain Tip (if applicable) |
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Reverse Doclinks |