2.920 bytes |
Service Hints & Tips |
Document ID: PSMS-3PWN9X |
TP 365 - UMB allocation and PCMCIA under WARP
Applicable to: World-Wide
Following is the Upper Memory Map for systems with BIOS dated before 2/2/96:
A000 - AFFF EGA/VGA Graphics
B000 - B7FF Available UMB
B800 - BFFF CGA/EGA/VGA Text
C000 - C9FF Video BIOS
CA00 - CFFF Available UMB - Can NOT be used for PCMCIA
D000 - DFFF Available UMB - Can be used for PCMCIA
E000 - E5FF System Setup
E600 - E9FF Available UMB - Can NOT be used for PCMCIA
EA00 - EFFF Power Management
F000 - FFFF System BIOS
When using OS/2 Warp 3.0 with this level of BIOS you must have the following statement in the CONFIG.SYS file for proper PCMCIA operation:
BASEDEV=RESERVE.SYS /MEM:CA00,6000
Following is the Upper Memory Map for systems with BIOS dated on or after 2/2/96:
A000 - AFFF EGA/VGA Graphics
B000 - B7FF Available UMB
B800 - BFFF CGA/EGA/VGA Text
C000 - C5FF System Setup
C600 - C7FF Available UMB - Can NOT be used for PCMCIA
C800 - DFFF Available UMB - Can be used for PCMCIA
E000 - E9FF Video BIOS
EA00 - EFFF Power Management
F000 - FFFF System BIOS
When using OS/2 Warp 3.0 with this level of BIOS you must have the following statement in the CONFIG.SYS file for proper PCMCIA operation:
BASEDEV=RESERVE.SYS /MEM:C600,2000
The Upper memory map can change with new levels of BIOS
Search Keywords |
UMB, PCMCIA, OS/2, Warp, Memory, BIOS | |
Hint Category |
OS/2 | |
Date Created |
19-12-97 | |
Last Updated |
01-04-98 | |
Revision Date |
13-03-99 | |
Brand |
IBM ThinkPad | |
Product Family |
ThinkPad 365C/CS, ThinkPad 365CD/CSD, ThinkPad 365E/ED | |
Machine Type |
2625 | |
Model |
Various | |
TypeModel |
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Retain Tip (if applicable) |
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Reverse Doclinks |