HP Evo n180 Maintenance and Service Guide Compaq Evo N180 Series - Page 135

I/O Address, System Function

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Specifications Table 6-13 System I/O Addresses (Continued) I/O Address (hex) 0A2 to 0BF 0C0 to 0DF 0E0 to 0EF 0F0 to 0F1 0F2 to 0FF 100 to 16F 170 to 177 178 to 1EF 1F0 to 1F7 1F8 to 200 201 202 to 21F 220 to 22F 230 to 26D 26E to 26 278 to 27F 280 to 2AB 2A0 to 2A7 2A8 to 2E7 2E8 to 2EF 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 Maintenance and Service Guide 6-15

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Specifications
Maintenance and Service Guide
6–15
I/O Address
(hex)
System Function
(shipping configuration)
0A2 to 0BF
Unused
0C0 to 0DF
DMA controller no. 2
0E0 to 0EF
Unused
0F0 to 0F1
Coprocessor busy clear/reset
0F2 to 0FF
Unused
100 to 16F
Unused
170 to 177
Secondary fixed disk controller
178 to 1EF
Unused
1F0 to 1F7
Primary fixed disk controller
1F8 to 200
Unused
201
Joystick (decoded in ESS1688)
202 to 21F
Unused
220 to 22F
Entertainment audio
230 to 26D
Unused
26E to 26
Unused
278 to 27F
Unused
280 to 2AB
Unused
2A0 to 2A7
Unused
2A8 to 2E7
Unused
2E8 to 2EF
Reserved serial port
Table 6-13
System I/O Addresses
(Continued)