Compaq AP400 Maintenance And Service Manual page 138

7-6 Physical and Operating Systems
System I/O
I/O Address (Hex)
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
Continued
System Function (Shipping Configuration)
PremierSound Audio
Unused
Reserved (2nd Diskette Drive)
Parallel Port (Primary)
Unused
FM Synthesizer - OPAL
Unused
Super I/O Index/Data (Default; Alt = 26Eh, 15Ch, 02Eh)
Unused
MDA, EGA/VGA
Reserved (Parallel Port)
EGA/VGA
Unused
Reserved (Serial Port)
Diskette Controller
Serial Port (Primary)