Acer Extensa 3100 Service Guide

Chapter 15
IO Board Layout
Top View
1 Microphone Connector (INTMIC1) 7 Microphone-in Port (MIC1)
2 Cover Switch Cable Connector 
(LID1)8 Line-in Port (LINT1)
3 Audio Codec-Realtek ALC655 (U1) 9 USB Port (USB1)
4 IO Board to Main Board Connector 
(BTB1)10 USB Port (USB2)
5 Speaker Set Connector (SPKR1) 11 FIR (U6)
6 Line-out Port (LOUT1) 12 RJ11 Modem Jack (JK1) 

6Chapter 1
Bottom View
1 Modem Board Connector (MDC 1) 2 MDC Cable Connector (RING1) 

Chapter 17
System Block Diagram
Title
Size Document Number Rev
Date: Sheet
Myna II
SB BLOCK DIAGRAM
Custom
147 Monday, September 26, 2005 
Title
Size Document Number Rev
Date: Sheet
Myna II
SB BLOCK DIAGRAM
Custom
147 Monday, September 26, 2005 
Title
Size Document Number Rev
Date: Sheet
Myna II
SB BLOCK DIAGRAM
Custom
147 Monday, September 26, 2005 
Myna II
PATA
DMI I/F HOST BUS
DDR II
ICH6-M
LPC BUSPCI BUS
Alviso-GM
CLK GEN.IDT CV125
533MHz
100MHz
KBC
INT.
KB Touch
Pad
400/533 MHz
BIOS ROM4M BITS...

8Chapter 1
Outlook View
A general introduction of ports allow you to connect peripheral devices, as you would with a desktop PC.
Front View
#ItemDescription
1 Display screen Also called Liquid-Crystal Display (LCD), displaying computer output. 
2 Microphone Internal microphone for sound recording.
3 Status indicators Light-Emitting Diodes (LEDs) that turn on and off to show the status 
of the computer’s functions and components
4 Touchpad Touch-sensitive pointing device which functions like a computer...

Chapter 19
Closed front view
Left View
 
#IconItemDescription
1 Speakers Left and right speakers deliver stereo audio output.
2 Battery indicator Lights up when the battery is being charged.
3 Power indicator Lights up when the computer is on.
4 Latch Locks and releases the lid.
5 5-in-1 card reader Accepts Memory Stick, Memory stick Pro, 
MultiMedia card (MMC), Sedure Digital (SD) and 
xD-Picture Card.
Note: Only one care can operate at any given time.
6 Bluetooth
communication button/
indicator Press...

10Chapter 1
NOTE: The positions of the AcerMedia indicator, eject button and emergency eject hole may differ depending 
on the optical drive module installed.
Right View
#ItemDescription
1 Kensington lock slot Connects to a Kensington-compatible
2 Modem (RJ-11) port Connects to a phone line.
3 Infrared port Interfaces with infrared devices (e.g., infrared 
printer and IR-aware computer).
4 Two USB 2.0 ports Connect to USB 2.0 devices (e.g., USB mouse, 
USB camera).
5 Line-in jack Accepts audio line-in...

Chapter 111
Rear View
#IconItemDescription
1 PC Card slot eject 
buttonEjects the PC Card from the slot.
2 PC Card slot Connects to one Type II CardBus PC Card.
3 USB 2.0 ports Connect to Universal Serial Bus (USB) 2.0 devices 
(e.g., USB mouse, USB camera).
4 IEEE 1394 port (6-pin) Connects to IEEE 1394 devices.
5 Ventilation slots Enable the computer to stay cool, even after 
prolonged use.
6 Network jack Connects to an Ethernet 10/100/1000-based 
network (for selected  models).
7 DC-in jack Connects...

12Chapter 1
Bottom View
#ItemDescription
1 Battery bay Houses the computer’s battery pack.
2 Battery lock Locks the battery in position.
3 Cooling fan Helps keep the computer cool.
Note: Do not cover or obstruct the opening of the fan.
4 Mini PCI card bay Houses the computer’s Mimi PCI card.
5 Memory and hard disk bay Houses the computer’s main memory and hard disk (secured with 
screws).
6 Battery release latch Release the battery for removal. 

Chapter 113
Indicators
The computer has three easy-to-read status indicators on the left side of the keyboard, and four on the front 
panel.
The power, battery and wireless communiction status indicators are visible even when the LCd display is 
closed.
NOTE: 1. Charging: The light shwos amber when the battery is charging. 2. Fully charged: The light shows 
green when in AC mode.
IconItemDescription
Caps Lock activity Lights when Caps Lock is activated.
Num Lock activiy Lights when Num Lock is...

14Chapter 1
Easy-launch buttons
Located at the upper-right, above the keyboard are four buttons. These buttons are called easy-launch 
buttons. The are: mail, Web Browser, Empowering Key < > and one user-programmable button.
Press < > to run the Acer Empowering Technology. The mail and Web browser buttons are pre-set to email 
and Internet programs, but can be reset by users. 
Easy-launch buttonDefault application
Mail Email application (user-programmable)
Web browser Internet browser...