HP COMPAQ BUSINESS NOTEBOOK PC X1000 Maintenance And Service Manual page 141

I/O Address
(hex)
0A2 - 0BF
0C0 - 0DF
0E0 - 0EF
0F0 - 0F1
0F2 - 0FF
100 - 16F
170 - 177
178 - 1EF
1F0 - 1F7
1F8 - 200
201
202 - 21F
220 - 22F
230 - 26D
26E - 26
278 - 27F
280 - 2AB
2A0 - 2A7
2A8 - 2E7
2E8 - 2EF
Maintenance and Service Guide
System I/O Addresses (Continued)
System Function
(shipping configuration)
Unused
DMA controller no. 2
Unused
Coprocessor busy clear/reset
Unused
Unused
Secondary fixed disk controller
Unused
Primary fixed disk controller
Unused
Joystick (decoded in ESS1688)
Unused
Entertainment audio
Unused
Unused
Unused
Unused
Unused
Unused
Reserved serial port
Table 6-14
Specifications
6–15