Specifications

Table 6-12

System I/O Addresses (Continued)

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)

 

 

6–16

Maintenance and Service Guide