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Compaq 110 User Manual

Page 127

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6–16

Maintenance and Service Guide

Specifications

I/O Address (hex)

System Function (shipping configuration)

2F0 - 2F7

unused

2F8 - 2FF

Infrared port

300 - 31F

unused

320 - 36F

unused

370 - 377

Secondary diskette drive controller

378 - 37F

Parallel port (LPT1/default)

380 - 387

unused

388 - 38B

FM synthesizer - OPL3

38C - 3AF

unused

3B0 - 3BB

VGA

3BC - 3BF

Reserved (parallel port/no EPP support)

3C0 - 3DF

VGA

3E0 - 3E1

PC Card controller in CPU

3E2 - 3E3

unused

3E8 - 3EF

Internal modem

3F0 - 3F7

“A” diskette controller

3F8 - 3FF

Serial port (COM1/default)

CF8 - CFB

PCI configuration index register (PCIDIVO-1)

CFC - CFF

PCI configuration data register (PCIDIVO-1)

Table 6-12

System I/O Addresses (Continued)

238850-003.book Page 16 Friday, December 21, 2001 2:53 PM