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Compaq Professional Workstation AP200 Maintenance and Service Guide
System I/O
Continued
I/O Address (Hex)
System Function (Shipping Configuration)
3F0 - 3F7
Diskette Controller
3F8 - 3FF
Serial Port (Primary)
Memory Address
Size
System Function
FFFFFFFFh to FFF80000h
512 KB
System ROM
FEEFFFFFh to FEE00000h
1024 KB
Local APIC Address Range
FECFFFFFh to FEC00000h
1024 KB
I/O APIC Address Range
C7FFFFFFh to 40000000h
2,228,224 KB
PCI Memory Expansion
3FFFFFFFh to 01000000h
1,032,192 KB
HOST Memory Expansion
00FFFFFFh to 00100000h
15,360 KB
HOST or ISA Memory Expansion
000FFFFFh to 000F0000h
64 KB
System ROM
000EFFFFh to 000E0000h
64 KB
Expansion System ROM
000DFFFFh to 000C0000h
128 KB
Option ROM
000BFFFFh to 000A0000h
128 KB
Video RAM
0009FFFFh to 00000000h
640 KB
Base Memory
1 KB = 1024 bytes. Any memory above host memory is non-cacheable.