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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