I/O address (hex)
System function (shipping configuration)
0F0 - 0F1
Coprocessor busy clear/reset
0F2 - 0FF
Unused
100 - 16F
Unused
170 - 177
Secondary fixed disk controller
178 - 1EF
Unused
1F0 - 1F7
Primary fixed disk controller
1F8 - 200
Unused
201
JoyStick (decoded in ESS1688)
202 - 21F
Unused
220 - 22F
Entertainment audio
230 - 26D
Unused
26E - 26
Unused
278 - 27F
Unused
280 - 2AB
Unused
2A0 - 2A7
Unused
2A8 - 2E7
Unused
2E8 - 2EF
Reserved serial port
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)
ENWW
System I/O address specifications 93
Summary of Contents for V3000
Page 1: ...Compaq Presario V3000 Notebook PC Maintenance and Service Guide ...
Page 4: ...iv Safety warning notice ENWW ...
Page 8: ...viii ENWW ...
Page 12: ...4 Chapter 1 Product description ENWW ...
Page 144: ...136 Index ENWW ...
Page 145: ......
Page 146: ......