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User’s Manual
WIN Enterprises, Inc.
Sept., 2010
76
System Memory Map
Start High
Start Low
Size High
Size
Type
00000000 00000000 00000000 0009FC00 Available
00000000 0009FC00 00000000 00000400 Reserved
00000000 000E0000 00000000 00020000 Reserved
00000000 00100000 00000000 7F6A0000 Available
00000000 7F7A0000 00000000 0000E000 SCPI Space
00000000 7F7AE000 00000000 00022000 AVS
Space
00000000 7F7D0000 00000000 00010000 Reserved
00000000 7F7ED000 00000000 00013000 Reserved
00000000 7F800000 00000000 00800000 Reserved
00000000 FEE00000 00000000 00001000 Reserved
00000000 FFA00000 00000000 00600000 Reserved
I/O Map:
The addresses shown in the table are typical locations
I/O Port
Assignment
0 ~ F
AT DMA controller
20 ~ 21
AT interrupt controller
2E ~ 2F
Motherboard Resource
40 ~ 43
8254 Compatible Programmable Timer
60
IBM Enhanced keyboard controller
61
AT Style Speaker
64
IBM Enhanced keyboard controller
70 ~ 71
Real Time Clock
72 ~ 75
Motherboard Resource
80 ~ 90
AT DMA controller
94 ~ 9F
AT DMA controller
A0 ~ A1
AT interrupt controller
C0 ~ DE
AT DMA controller
F0 ~ FF
Math Coprocessor
170~177 IDE
controller
1F0~1F7 IDE
controller
2F8 ~ 2FF
COM2
376 IDE
controller
378 ~ 37A
LPT1