
System I/O Continued
I/O Address (Hex)
201
202 - 21F
220 - 22F
230 - 273
274 - 277
278 - 27F
280 - 2E7
2E8 - 2EF
2F0 - 2F7
2F8 - 2FF
300 - 32F
330 - 331
332 - 36F
370 - 377
378 - 37F
380 - 387
388 - 38B
38C - 397
398 - 399
39A - 3AF
3B0 - 3BB
3BC - 3BF
3C0 - 3DF
3E0 - 3E7
3E8 - 3EF
3F0 - 3F7
3F8 - 3FF
System Function (Shipping Configuration)
Audio
Unused
Audio (Alternate = 240- 24F, 260 - 26F, or 280 - 28F)
Unused
ISA PnP
Reserved parallel port
Unused
Reserved serial port
Unused
Serial port
Unused
Audio
Unused
Reserved - fixed disk controller
Parallel port (primary)
Unused
Audio
Unused
Motherboard
Unused
MDA, EGA/VGA
Reserved (parallel port)
EGA/VGA
Unused
Reserved (serial port)
Diskette controller
Serial port (primary)
Compaq Professional Workstation AP500 Maintenance and Service Guide