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AcerAltos 9100 Series User’s Guide
A-2
A.2
I/O Address Map
Table A-2
System I/O Address Map
Hex Range
Device
Standard I/O Addresses
000 ~ 01F
DMA controller 1, (8237)
020 ~ 027
Interrupt controller 1, (8259)
030 ~ 037
Interrupt controller 1, (8259)
040 ~ 047
System timer (8254-1)
050 ~ 057
System timer (8254-1)
060 ~ 06F
Keyboard controller (8742)
070 ~ 07F
Real-time clock, NMI mask
080 ~ 09F
DMA page register 74LS612, speed status register
0A0 ~ 0BF
Interrupt controller 2, (8259)
0C0 ~ 0DF
DMA controller 2, (8237)
0F0
Clear math coprocessor busy
0F1
Reset math coprocessor
0F8 ~ 0FF
Math coprocessor
0CF8
PCI configuration address regulation
0CFC
PCI configuration data regulation
1F0 ~ 1F7
Hard disk
278 ~ 27F
Parallel port 2
2F8 ~ 2FF
Serial port 2
378 ~ 37F
Parallel port 1
3B0 ~ 3BF
Monochrome display
3C0 ~ 3CF
EGA, VGA, SVGA
3D0 ~ 3DF
CGA, VGA, SVGA
Summary of Contents for Altos 9100 Series
Page 1: ...AcerAltos 9100 Series User s Guide ...
Page 115: ...Chapter 5 System Housing 5 15 5 Connect the signal and power cables to the drive ...
Page 125: ...Chapter 5 System Housing 5 25 5 9 2 Connecting a Keyboard ...
Page 126: ...AcerAltos 9100 Series User s Guide 5 26 5 9 3 Connecting a Mouse Mouse ...
Page 127: ...Chapter 5 System Housing 5 27 5 9 4 Connecting a Printer ...
Page 128: ...AcerAltos 9100 Series User s Guide 5 28 5 10 Complete System Connections ...