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Specifications 6-13
COMPAQ CONFIDENTIAL - NEED TO KNOW REQUIRED
Writer: The Integrity Group Saved by: The Integrity Group Saved date: 10/26/00 11:53 AM
Part Number: 128679-006 File name: Ch06
Table 6-17
Continued
I/O Address (Hex) System Function (Shipping Configuration)
201 Joystick (decoded in ESS1688)
202 - 21F Unused
220 - 22F Entertainment audio
230 - 26D Unused
26E - 26 National 87334 "Super IO" controller in expansion
base/convenience base
278 - 27F
Unused
280 - 2AB
Unused
2A0 - 2A7 Expansion base/convenience base
PC Card DMA
selection, hard drive reset, IDE select, MultiBay
device identification
2A8 - 2E7
Unused
2E8 - 2EF
Reserved serial port
2F0 - 2F7
Unused
2F8 - 2FF Infrared port
300 - 31F
Network interface in
expansion base/convenience
base
(default; alternate is 320, 340, or 360h)
320 - 36F
Unused
370 - 377
Secondary diskette controller (in
expansion
base/convenience base
when a diskette drive is
installed in the CPU)
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
PC Card controller in
expansion base/convenience
base
3E8 - 3EF Internal modem
3F0 - 3F7
"A" diskette controller
3F8 - 3FF
Serial port (COM1/default)
CF8 - CFB
PCI configuration index register (PCIDIV0-1)
CFC - CFF
PCI configuration data register (PCIDIV0-1)