SubCompact Board
P C M
- 5 3 1 5
Appendix B I/O Information
B - 2
B.1 I/O Address Map
Address
Description
User Address
000-01F DMA Controller #1
000-000F
020-03F Interrupt Controller #1, Master
020-021
040-05F System Time
040-043
060-06F 8042 (Keyboard Controller)
060-064
070-07F
Real time C lock, NMI (non-maskable
Interrupt) Mask
070-073
080-09F DMA Page Register
080-08F
0A0-0BF Interrupt Controller #2
0A0-0A1
0C0-0DF DMA Controller #2
0C0-0DF
0F0-0FF Math Coprocessor
0F0-0FF
1F0-1F7 Primary IDE Channel
1F0-1F7
2E8-2EF
*
Serial Port 4
2E8-2EF
2F8-2FF Serial Port 2
2F8-2FF
378-37F Parallel Printer Port 1
378-37F
3B0-3DF EGA / VGA card
3B0-3DF
3E8-3EF
*
Serial Port 3
3E8-3EF
3F8-3FF Serial Port 1
3F8-3FF
4E0-4E7
*
Serial Port 5
4E0-4E7
4E8-4EF
*
Serial Port 6
4E8-4EF
Note:
The Serial Port 3~6 are for Rev.B only.
B.2 1
st
MB Memory Address Map
Memory Address
Description
00000-9FFFF
System memory
A0000-BFFFF
VGA buffer
C0000-CBFFF
VGA BIOS
E0000-FFFFF
System BIOS
Содержание PCM-5315
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