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8 Chapter 1
System Block Diagram (Aspire 3300S)
INTEL P4 CPU
Willamette / Northwood
(FC-PGA2_478)
Host Bus
SIS 650
North Bridge
Primary PCI Bus
FWH
(BIOS)
LPC SUPER I/O
SIS 961
South Bridge
DDRAM
2XDIMMs
USB
USB
USB
USB
400 MHz
4X AGP Bus
66-MHz
133MHz
64-bit
33MHz,32-bit
2 IDE Ports
(Ultra DMA/ATA100)
4 USB Ports
X86 Legacy Signals
AGP Slot
S
E
R
I
A
L
B
S
E
R
I
A
L
A
P
A
R
A
L
L
E
L
F
D
D
H
D
D
C
D
R
O
M
C
D
R
O
M
H
D
D
1 X Parallel
2 X Serial
1 X FDD CONN
LAN
RTL8100L
AC' 97
Audio Codec
VGA
connector
PCI Slot
3 X PCI Slot
PCI Slot
PCI Slot
K
E
Y
B
O
A
R
D
/
M
O
U
S
E