7. CPU Board Resources
42
SCP-8550-LLV
Table 7.1. I/O MAP < 2 / 2 >
Address (hex)
Data Width (bytes)
Description
04D0 - 04D1
2 bytes
Interruption setting register (Edge/level triggered PIC)
0530 - 0537
8 bytes
Reserved (Windows Sound System)
LPT n + 400h
8 bytes
ECP port, LPT n base a 400h
0CF8 - 0CFF
4 bytes
PCI configuration register
0CF9
1 bytes
Turbo and reset control register
0440 - 044F
16 bytes
Reserved
0800 - 080F
16 bytes
Reserved
1000 - 107F
128 bytes
Reserved
1180 - 11BF
64 bytes
Reserved
4000
1 bytes
General purpose I/O
4001 - 4005
6 bytes
WDT
4006 - 400F
10 bytes
Reserved
4010
8 bytes
DIP-SW read out / User LED control
4011 - 401F
15 bytes
Reserved
x300 - x31F,
x700 - x71F,
xB00 - xB1F,
xF00 - xF1F
User area(x is optionally values)
MEMORY MAP
Table 7.2. MEMORY MAP
Address Range (H)
Size
Description
100000--
-
Extended memory
E8000 - FFFFF
96KB
System BIOS
E0000 - E7FFF
32KB
System BIOS (Available as UMB)
D0000 - DFFFF
64KB
Available high DOS memory (open to ISA and PCI buses)
A0000 - CFFFF
192KB
Video memory and BIOS
00000 - 9FFFF
640KB
Conventional memory
Содержание SCP-8550-LLV
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Страница 37: ...5 Jumper setting 30 SCP 8550 LLV...
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