I/O Address Map - Digital Equipment HiNote VP 500 Series Service Manual

I/O Address Map

Range
(hexadecimal)
000 - 00F
020 - 021
024
026
040 - 043
060 - 06F
070 - 07F
080 - 08F
0A0 - 0A1
0C0 - 0CF
0F0
0F1
0F8 - 0FF
1F0 - 1F7
220-22F
278 - 27F
2E8 - 2EF
2F8 - 2FF
378 - 37F
3B0 - 3DF
3BC - 3BE
3C0 - 3DF
3D0 - 3DF
3E8 - 3EF
3F0 - 3F7
3F6 - 3F7
3F8 - 3FF
*
Enabled and disabled using the Setup Utility or Windows 95
Function
DMA controller A
Master interrupt controller
Index register - system board
Data register - system board
Interval timer
Keyboard controller
Real-time clock (RTC), NMI
DMA page register
Slave interrupt controller
DMA controller B
Clear math coprocessor
Reset math coprocessor
Math coprocessor
IDE controller
On-board sound (1688)
*
LPT2
*
COM4
*
COM2
*
LPT1
Mono VGA registers
*
LPT3
Mono VGA
Color VGA registers
*
COM 3
*
Diskette controller
*
IDE controller (alt status, device address)
*
COM1
Device Mapping
Digital HiNote VP 500 Service Guide B–3