Technical data

Devic Mapping Digital PRIORIS HX590 & HX590 DP Server
68 MCS Logistics Engineering - Nijmegen
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CPU Memory Address Map (PC Compatibility Range)
Address Range Function Size
00000 to 7FFFF
Main memory 512 KB
80000 to 9FFFF
Main/PCI/ISA memory 128 KB
A0000 to BFFFF
PCI/ISA video buffer
memory
128 KB
C0000 to C7FFF
Video memory BIOS 32 KB
C8000 to DFFFF
PCI/ISA card BIOS and
buffer memory
96 KB
E0000 to EBFFF
ISA/PCI adapter RAM
after POST completes
Used by BIOS Setup
during POST
48 KB
EC000 to EFFFF
SCSI BIOS (if enabled) 16 KB
F0000 to FFFFF
System BIOS memory 64 KB
CPU I/O Address Map
Range (hexadecimal) Function
0000 to 0CF7
PCI I/O space
0CF8
Configuration space enable register
0CF9
Turbo and reset control register
0CFA to BFFF
PCI I/O space
C000 to CFFF
PCI configuration space
D000 to FFFF
PCI I/O space
DMA Channel Assignment
Channel Controller Function
01
Refresh
11
Available for use by option cards
21
Diskette controller (if enabled)
31
Available for use by option cards
42
Cascade DMA
52
Available for use by option cards
62
Available for use by option cards
72
Available for use by option cards