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Specifications
Maintenance and Service Guide 6–15
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)