Raptor AT – Installation Guide
44
I/O Map
Address (hex)
Description
0000-000F
DMA 1
0020-0021
Interrupt Controller 1
0040
Timer/Counter 0
0041
Timer/Counter 1
0042
Timer/Counter 2
0043
Timer Control Word
0060
Keyboard Controller Byte _ Reset IRQ
0061
NMI Status and Control
0070, bit 7
NMI enable
0070, bits 6:0
RTC Index
0071
RTC Data
0072
RTC Extended Index
0073
RTC Extended Data
0080-008F
DMA page registers / POST code display also
located at 0080h
0092
Port 92
00A0-00A1
Interrupt Controller 2
00B2-00B3
APM control
00C0-00DE
DMA 2
00F0
Coprocessor Error
0110
Watch-Dog Timer (default)
0170 _ 0177
Secondary IDE channel
01F0 _ 01F7
Primary IDE channel
029x
LM79
0278-027F
LPT2 (if selected)
02E8-02EF
COM4 (if selected)
02F8-02FF
COM2 (default)
0310
Watch-Dog Timer (if selected)
0376
Secondary IDE channel command port
0377
Floppy channel 2 command
0377, bit 7
Floppy disk change, channel 2
0377, bits 6:0
Secondary IDE channel status port
0378-037F
LPT1 (default)
03B4-03B5
Video (VGA)
03BA
Video (VGA)
03BC-03CD
LPT3 (if selected)
03C0-03CA
Video (VGA)
03CC
Video (VGA)
03CE-03CF
Video (VGA)
Содержание Motherboard Raptor AT
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