116.303 bytes |
Service Hints & Tips |
Document ID: LWIK-3RVQCJ |
TP 365 - Hardware resource assignments
Applicable to: World-Wide
This is the default IRQ and DMA assignment for the ThinkPad 365X and 365XD.
ThinkPad 365X & 365XD Memory Map
Location |
Use |
0000 - 9FFF |
System RAM |
A000-AFFF |
Video Graphics |
B000-B7FF |
Mono Video |
B800-BFFF |
Video Text |
C000-C7FF |
Video BIOS |
C800-DFFF |
Available |
E000-EFFF |
Available |
F000-FFFF |
System BIOS |
ThinkPad 365C, 365CD, 365CS, & 365CSD Memory Map
BIOS dated |
before 2/2/96 |
BIOS dated |
after 2/22/96 |
Location |
Use |
Location |
Use |
0000 - 9FFF |
System RAM |
0000 - 9FFF |
System RAM |
A000-AFFF |
Video Graphics |
A000-AFFF |
Video Graphics |
B000-B7FF |
Mono Video |
B000-B7FF |
Mono Video |
B800-BFFF |
Video Text |
B800-BFFF |
Video Text |
C000-C9FF |
Video BIOS |
C000-C5FF |
System Setup |
CA00-CFFF |
Open (no PCMCIA cards) |
C600-C7FF |
Open (no PCMCIA Cards) |
D000-DFFF |
Available |
C800-DFFF |
Available |
E000-E5FF |
System Setup |
E000-E9FF |
Video BIOS |
E600-E9FF |
Open (no PCMCIA cards) |
EA00-EFFF |
Power Management |
EA00-EFFF |
Power Management |
F000-FFFF |
System BIOS |
F000-FFFF |
System BIOS |
Note:
Available means open for PCMCIA Card Usage and for UMB Usage.
ThinkPad 365X/XD Interrupt Assignments
2 |
3 |
4 |
5 |
7 |
9 |
10 |
11 |
15 | |
Cascade Interrupt Req. |
def | ||||||||
Serial Port |
opt |
opt | |||||||
Parallel Port |
opt |
def | |||||||
ESS Audio |
def |
opt | |||||||
PCMCIA cards |
opt |
opt |
opt |
opt |
opt |
opt |
opt |
opt |
opt |
Infrared |
opt |
def |
opt |
opt |
opt |
opt | |||
MIDI port (in port replicator) |
def |
opt |
opt |
opt |
ThinkPad 365C/CD/CS/CSD Interrupt Assignments
2 |
3 |
4 |
5 |
7 |
9 |
10 |
11 |
15 | |
Cascade Interrupt Req. |
def | ||||||||
Serial Port |
opt |
def | |||||||
Parallel Port |
opt |
def | |||||||
Audio Port |
def |
opt | |||||||
PCMCIA cards |
opt |
opt |
opt |
opt |
opt |
opt |
opt |
opt |
opt |
Infrared |
opt | ||||||||
CD-ROM drive |
def |
Note 1
The following interrupts are used by the system: IRQ 0 (Timer), IRQ 1 (Keyboard), IRQ 6 (Floppy Diskette Drive), IRQ 8 (Real-time Clock), IRQ 12 (Mouse/Trackpoint), IRQ 13 (Math Coprocessor), and IRQ 14 (Hard Disk Drive).
TP 365X/XD - ESS Audio, Sound Blaster, and the MIDI Port in the Port Replicator share the same IRQ.
ThinkPad 365X & 365XD DMA Channel Assignments
DMA |
Default Assignment |
Other posible use |
DRQ0 |
Infrared |
Parallel port, |
DRQ1 |
ESS audio |
Parallel port |
DRQ2 |
Diskette drive | |
DRQ3 |
Infrared |
Parallel port |
DRQ4 |
Cascade | |
DRQ5 |
Unused | |
DRQ6 |
Unused | |
DRQ7 |
Unused |
The attached file contains a document providing technical Information, tips and techniques. This file is in Adobe Acrobat format, and can only be viewed through the Adobe Acrobat Reader. If you do not have a copy of the reader, double click on the following icon to obtain one:-
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Hint Category |
Configuration | |
Date Created |
26-04-96 | |
Last Updated |
26-03-98 | |
Revision Date |
12-03-99 | |
Brand |
IBM ThinkPad | |
Product Family |
ThinkPad 365X/XD, ThinkPad 365C/CS, ThinkPad 365CD/CSD | |
Machine Type |
2625 | |
Model |
Various | |
TypeModel |
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Retain Tip (if applicable) |
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