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Appendix A. System Resources
The following summarizes the available system resources for the
computer and docking stations. Values in parentheses are
alternative values that are selectable in the ThinkPad Configurations
program or application programs. The default values are highlighted.
System
Resource
IRQ I/O Address
(Hex)
Memory
Address (Hex)
DMA
Channel
Timer 0 0040–0043 None None
Keyboard 1 0060 and 0064 None None
Serial port Disabled Disabled None None
4 03F8–03FF
3 02F8–02FF
4 03E8–03EF
3 02E8–02EF
Parallel port 7 03BC–03BE
(and
07BC–07BE)
None 0, 1, 3,
or
disabled
7 0378–037F
(and
0778–077A)
5 0278–027F
(and
0678–067A)
Disabled Disabled
Infrared port 4, 3, or
disabled
03F8–03FF,
02F8–02FF,
02E8–02EF, or
03E8–03EF
None 0 and 3
or
disabled
Diskette
controller
6 03F0–03F7 None 2
Video
controller
None 03BA,
03B4–03B5,
03C0–03CF,
03D4–03D5,
03D8–03D9,
03DA,
2100–21FF,
2200–2203,
2300–2323
A0000–BFFFF
and
C0000–C9FFF
None
Copyright IBM Corp. 1997 A-1