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MXGC Series
CyberResearch
®
Motherboards
CyberResearch, Inc
.
219
25 Business Park Drive
P: (203) 483-8815; F: (203) 483-9024
Branford, CT USA
www.cyberresearch.com
D.1 Address Map
I/O address Range
Description
000-01F DMA
Controller
020-021 Interrupt
Controller
040-043 System
time
060-06F Keyboard
Controller
070-07F
System CMOS/Real time Clock
080-09F DMA
Controller
0A0-0A1 Interrupt
Controller
0C0-0DF DMA
Controller
0F0-0FF
Numeric data processor
1F0-1F7
Primary IDE Channel
2F8-2FF
Serial Port 2 (COM2)
378-37F
Parallel Printer Port 1 (LPT1)
3B0-3BB
Intel
Graphics Controller
3C0-3DF
Intel
Graphics Controller
3F6-3F6
Primary IDE Channel
3F7-3F7
Standard floppy disk controller
3F8-3FF
Serial Port 1 (COM1)
Table D-1: IO Address Map
D.2 1st MB Memory Address Map
Memory address
Description
00000-9FFFF System
memory
A0000-BFFFF VGA
buffer
F0000-FFFFF System
BIOS
1000000-
Extend BIOS
Table D-2: 1
st
MB Memory Address Map
Summary of Contents for MXGC Series
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