Acer 3300S User Manual
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18
Chapter 1
Note : UPPER LIMIT means the maximum size of installed memory.
The Main Memory Maximum size are 768M Bytes.
Memory Address Map
Address
Size
Function
000000 - 07FFFF
512KBytes
Host Memory
080000 - 09FFFF
128KBytes
Host/PCI Memory
0A0000 - 0BFFFF
128KBytes
PCI/ISA Video Buffer Memory
0C0000 - 0C7FFF
32KBytes
Video BIOS Memory
0C8000 - 0DFFFF
96KBytes
ISA Card BIOS & Buffer Memory
0E0000 - 0EFFFF
64KBytes
BIOS Extension Memory
Setup and Post Memory
PCI Development BIOS
0F0000 - 0FFFFF
64KBytes
System BIOS Memory
100000 - UPPER LIMIT
Main Memory
UPPER LIMIT - 4GBytes
PCI Memory
Onboard Device ID & IRQ Map
Device
AD#
IDSEL
Route Reg.
Mask
Intel 845 MCH
AD11
00h
P2P
AD30
13h
(Func.0) ICH2 (LPC)
AD31
14h
(Func.1) ICH2 (IDE)
AD31
14h
(Func.2) ICH2 (USB)
AD31
14h
68h
FFh
(Func.3) ICH2 (SMBUS)
AD31
14h
(Func.5) ICH2 (AC97 Audio)
AD31
14h
61h
FFh
PCI Slot 1
AD16
05h
60h
FFh
PCI Slot 2
AD17
06h
61h
FFh
PCI Slot 3
AD21
07h
62h
FFh
PCI Slot IRQ Routing Map
PCI INTX#
INTA
INTB
INTC
INTD
PCI 1
Route 1
Route 2
Route 3
Route 4
PCI 2
Route 2
Route 3
Route 4
Route 1
PCI 3
Route 3
Route 4
Route 1
Route 2