List of System Resources
List of System Resources
The following table summarizes the available system resources for the computer and expansion units.
Values in parentheses are alternative values that are selectable in the ThinkPad Features program or
application programs. The default values are highlighted.
System Resources
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 3,4, or
disabled
02F8–02FF, 03F8–03FF,
02E8–02EF, or
03E8–03EF
None 0, 1, 3, or
disabled
Diskette controller 6 03F0–03F7 None 2
Hard disk drive and
CD-ROM drive
14 01F0–01F7 and
03F6–03F7
None None
PCI 3, 4, 5, 7, 9,
10, 11, or
disabled
0CF8–0CFF None None
Video controller None 03BA, 03B4–03B5,
03C0–03CF, 03D4–03D5,
03D8–03D9, and 03DA
A0000–BFFFF,
C0000–C7FFF, and
08000000–08400000
None
178 IBM ThinkPad 380 or 380D User's Guide
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