Acer Veriton 5200D Service Manual page 29

Memory Address Map
Address
000000 - 07FFFF
080000 - 09FFFF
0A0000 - 0BFFFF
0C0000 - 0C7FFF
0C8000 - 0DFFFF
0E0000 - 0EFFFF
0F0000 - 0FFFFF
100000 - UPPER LIMIT
UPPER LIMIT - 4GBytes
Note : UPPER LIMIT means the maximum size of installed memory.
The Main Memory Maximum size is 768M Bytes.
Onboard Device ID & IRQ Map
Device
Intel 845 MCH
P2P
(Func.0) ICH2 (LPC)
(Func.1) ICH2 (IDE)
(Func.2) ICH2 (USB)
(Func.3) ICH2 (SMBUS)
(Func.5) ICH2 (AC97 Audio)
PCI Slot 1
PCI Slot 2
PCI Slot 3
PCI Slot IRQ Routing Map
PCI INTX#
PCI 1 Route 1
PCI 2 Route 2
PCI 3 Route 3
20
Size
512KBytes
128KBytes
128KBytes
32KBytes
96KBytes
64KBytes
64KBytes
AD#
AD11
AD30
AD31
AD31
AD31
AD31
AD31
AD16
AD17
AD21
INTA INTB
Route 2
Route 3
Route 4
Function
Host Memory
Host/PCI Memory
PCI/ISA Video Buffer Memory
Video BIOS Memory
ISA Card BIOS & Buffer Memory
BIOS Extension Memory
Setup and Post Memory
PCI Development BIOS
System BIOS Memory
Main Memory
PCI Memory
IDSEL Route Reg.
00h
13h
14h
14h
14h 68h
14h
14h 61h
05h 60h
06h 61h
07h 62h
INTC
Route 3
Route 4
Route 1
Mask
FFh
FFh
FFh
FFh
FFh
INTD
Route 4
Route 1
Route 2
Chapter 1