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6-6 Compaq Professional Workstation SP750 Maintenance and Service Guide
Table 6-4
System I/O
I/O Address (Hex)
2F0 - 2F7
2F8 - 2FF
300 - 317
318 - 319
31A - 36F
370 - 377
378 - 37F
380 - 387
388 - 38B
38C - 397
39A - 3AF
3B0 - 3BB
3BC - 3BF
3C0 - 3DF
3E0 - 3E7
3E8 - 3EF
3F0 - 3F7
3F8 - 3FF
continued
System Function (Shipping Configuration)
Unused
Modem (COM 2)
Unused
Unused
Unused
Reserved (second diskette drive)
Parallel port (primary)
Unused
FM synthesizer - OPAL
Unused
Unused
MDA, EGA/VGA
Reserved (parallel port)
EGA/VGA
Unused
Reserved (serial port)
Diskette controller
Serial port (primary)
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