AmITX-RZ-G
System Resources
35
7. System
Resources
7.1. System Memory Map
Table 7: System Memory Map
Address Range (decimal)
Address Range (hex)
Size
Description
(4GB - 2MB)
FFE00000 - FFFFFFFF
2 MB
High BIOS Area
(4GB - 18MB)
- (4GB -17MB - 1)
FEE00000 - FEEFFFFF
1 MB
MSI Interrupt
(4GB - 20MB)
- (4GB - 19MB - 1)
FEC00000 - FECFFFFF
1 MB
APIC Configuration Space
15MB - 16MB
00F00000 - 00FFFFFF
1 MB
ISA Hole
1MB - 15MB
00100000 - 00EFFFFF
14 MB
Main Memory
0MB - 1MB
00000000 - 000FFFFF
1 MB
DOS Compatibility Memory
7.2. I/O
Map
Table 8: I/O Map
Hex Range
Device
020h - 02Dh
030h - 03Dh
Interrupt controller 1, 8259 equivalent
02Eh - 02Fh
SIO F81866
040h - 042h
050h - 052h
System Timer
060h, 062h, 064h, 066h
8042 equivalent (keyboard)
061h
NMI control and status
070h - 077h
Real Time Clock Controller
092h Reset
Generator
0A0h - 0B1h
0B4h - 0BDh
Interrupt Controller 2, 8259 equivalent
0B2h, 0B3h
APM control and status port respectively
220h - 227h
Serial Port 6
260h - 267h
Serial Port 5
2E8h - 2EFh
Serial Port 4
2F8h - 2FFh
Serial Port 2
3E8h - 3EFh
Serial Port 3
3F8h - 3FFh
Serial Port 1
800h
PM (ACPI) Base Address
0CF9h
Reset Controller register (8 bit I/O)
Содержание AmITX-RZ-G
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