Acer Aspire 3300s Service Guide

Chapter 15
NOTE:  *The system has two microphone-in ports (front and rear). However, you cannot use both of them at 
the same time. The default setting for your system enables the microphone-in port in front and disables 
the one at the back.
13 Hard disk drive activity LED
14
LAN Activity LED
15
Power LED
16
Power switch
LabelIconColorDescription 

6Chapter 1
Rear Panel Aspire 3300S
LabelIconColorDescription
1
Power supply
2 Voltage selector switch
3
Keyhole
4
GreenPS/2 mouse port 
5
GrayNetwork port
6
BurgundyParallel/Printer port 
7
GoldGame/MIDI port
8
VGA port
*
9
Black Handset/telephone line ports (optional)
10 Power cord socket  

Chapter 17
NOTE: * The CRT monitor port is automatically disabled when an add-on VGA card is installed into the 
system. Connect the monitor to the VGA port instead.
               ** The system has two microphone-in ports (front and rear). However, you can not use both of them at 
the same
 time. The default setting for your system enables the microphone-in port in front and disables 
the one at the back. 
11 Purple  PS/2 keyboard port 
12 Black USB ports
13 Teal or 
Turquoise Serial port
14 Lime...

8Chapter 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-MHz133MHz
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
BS
E
R
I
A
L
AP
A
R
A
L
L
E
L
F
D
D
H
D
D
C
D
R
O
MC
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...

Chapter 19 

10Chapter 1
Main Board Layout (Aspire 3300S)
ComponentFunction
ATX Power Supply/JPW1 ATX power connectors
JKBMS1 Mouse/keyboard connector
USB Connectors Connecting to USB devices
COM A & COM B Serial port connector
VGA DB 15-pin Connecting to VGA monitor
LAN Jack (optional) Connecting to LAN devices
LPT1 Parallel port connector
FDD1 Floppy disk drive connector
J8 Chassis intrusion switch connector 

Chapter 111
IDE 1~IDE 2 Hard disk connector
JCD1/JAUX1/JMD1 CD/AUX/Modem-in connectors
CPUFA/SYSFA Fan power connectors
JFP1/JFP2 Front panel connectors
JAUD Front panel audio connector
JUSB1/JUSB2 USB front connector
JIR1 IrDA infrared module connector
JBAT1 Clear CMOS jumper
AGP Slot Connecting to AGP cards
PCI Slot Connecting to expansion cards
CNR Slot Connecting to expansion cards
ComponentFunction 

12Chapter 1
Keyboard
The keyboard has full-sized keys that include separate cursor keys, two Windows keys, and twelve function 
keys.
No.ComponentDescription
1 Programmable keys
Help you directly access a URL (Web site) or launch any program, file, or 
application in your system. The fifth key is set to launch the media player. 
To configure the settings of each key, right-click on the Magic Keyboard 
icon located on your Windows desktop. 
2
Internet/Suspend keys Consist of three buttons: 
•Email :...

Chapter 113
4
Volume control/Mute 
knob Controls the speaker volume. Turn it clockwise or counterclockwise to 
adjust the volume. Press it to toggle between mute and sound.
5
Scroll Lock
[
When activated, the screen moves one line up or down when you press 
the up arrow or down arrow respectively. Take note that 
[may not work 
with some applications.
6
Num Lock
]
When activated, the keypad is set to numeric mode, i.e., the keys function 
as a calculator (complete with arithmetic operators such as +, -,...

14Chapter 1
Hardware Specifications and Configurations
NOTE: The BIOS can be overwritten/upgraded using the FLASH utility (AWDFLASH.EXE). Processor
ItemSpecification
Type Intel® Pentium IV processors with mPGA478 package
Slot Socket mPGA478
Speed Internal : 1.5~2.4GHz+
External: 400MHZ Data Bus Frequency
Minimum operating speed 0 MHz (If Stop CPU Clock in Sleep State the BIOS Setup is set to Enabled.)
Voltage Processor voltage can be detected by the system without setting any jumper.
BIOS
Item...