Technical information

30 Chapter 1
00D8000-00DBFFF 16 KB I/O Expansion ROM Reserved for ROM on I/O
Adapters
00DC000-00DFFFF 16 KB I/O Expansion ROM Reserved for ROM on I/O
Adapters
00E0000-00E7FFF 32 KB for SCSI BIOS Reserved for SCSI BIOS
00E8000-00EFFFF 32 KB Reserved Onboard
00F0000-00FFFFF 64 KB BIOS System ROM BIOS (ROM)
System RAM BIOS (DRAM)
0100000-0F9FFFF System Memory Onboard DRAM
0FA0000-0FFFFFF 384 KB I/O Card Memory Reserved for Memory Map
I/O Card
Non-Cacheable
1000000-FFFFFFF System Memory Onboard DRAM
PCI INTx# and IDSEL Assignment Map
PCI INTx # PCI Devices Device IDSEL: ADxx
INTA# ADIMM-slot N
INTB# PCI-Slot1 AD16
INTC# PCI-Slot2 AD17
I/O Address Map
Hex Range Devices
000-01F
020-021
040-043
060-060
061-061
070-071
080-08F
0A0-0A1
0C0-0DF
0F0-0FF
170-177
1F0-1F7
278-27F
2F8-2FF
378-37F
3F0-3F5
3F6-3F6
3F7-3F7
3F8-3FF
0CF8
0CFC
778-77A
DMA Controller-1
Interrupt Controller-1
System Timer
Keyboard Controller 8742
System Speaker
CMOS RAM Address and Real Time Clock
DMA Page Register
Interrupt Controller-2
DMA Controller-2
Math Co-Processor
Secondary IDE
Primary IDE
Parallel Printer Port 2
Serial Asynchronous Port 2
Parallel Printer Port 1
Floppy Disk Controller
Secondary IDE
Primary IDE
Serial Asynchronous Port 1
Configuration Address Register
Configuration Data Register
Parallel Printer Port 1
Memory Address Map
Address Size Function