Acer Aspire 8940 Service Guide

Chapter 11
System Specifications
Features
Below is a brief summary of the computer’s many features:
NOTE: Items marked with * denote only selected models.
Operating System
• Genuine Windows 7®
Platform
• Intel® Core™ i7 processor technology, featuring:
• Mobile Intel® PM55 Express Chipset
System Memory
• Dual-Channel SDRAM support
• Up to 4 GB of DDR3 1066 MHz memory, upgradeable to 8 GB using two soDIMM modules
Display
• 18.4” TFT LCD
• Resolution: 1920 x 1080 Full HD
• 16:9 aspect ratio
Graphics
•...

2Chapter 1
• High-definition audio support
• S/PDIF (Sony/Philips Digital Interface) support for digital speakers
• MS-Sound compatible
• Acer Purezone technology with two built-in stereo microphone
Dimensions and Weight
• 440 (W) x 295 (D) x 31/43.8 (H) mm (17.34 x 11.62 x 1.22/1.73 inches)
• 4.6 kg (10.1 lbs.) with 8-cell battery
Communication
• Acer Video Conference, featuring:
• Integrated Acer Crystal Eye webcam*
• Acer PureZone technology*
• WLAN: Intel® Wireless WiFi Link 5100/5300*
• WPAN:...

Chapter 13
• Consumer infrared (CIR) port
• RF-in jack*
• Headphones/speaker/line-out jack with S/PDIF support
• Microphone-in jack
• Line-in jack
• Ethernet (RJ-45) port
• DC-in jack for AC adapter
Environment
• Temperature:
• Operating: 5 °C to 35 °C
• Non-operating: -20 °C to 65 °C
• Humidity (non-condensing):
• Operating: 20% to 80%
• Non-operating: 20% to 80%
NOTE: Items marked with * denote only selected models. 

4Chapter 1
System Block Diagram
Azalia
ODD (SATA)
P29
XTAL
32.768KHz
P28
SATA1
XTAL
14.318MHz
CIR
XTAL 32.768KHz
P22PCI-Express
X4 DMI interface
Fan Driver
P22
USB Port x 4
P30EC (WPC775C)
LPC
USB 2.0
P3 SELGO: SLG8SP585V
HDD (SATA) *2
SPI ROM
Touch Pad
P29
USB 9CCDGiga-LAN
P20
Broadcom
XTAL
25MHz
P30P20
Transformer
USB 0,6, 11, 12
SATA0
K/B COON.
CLOCK GENERATOR
SATA3
PCIE-3
P30 P29
P29(BCM5784)
RJ45P20MMBP27
P24
800/ 1066 MHz
DDR IIIDual Channel DDR3
P18, P24 P23,P24
P24Speaker
Rear Audio Amp
& Head...

Chapter 15
Your Acer Notebook tour
After knowing your computer features, let us show you around your new computer.
Front View
IconItemDescription
1 Acer Crystal Eye 
webcamWeb camera for video communication.
2  Microphone  Internal microphone for sound recording. 
3  Display screen  Also called Liquid-Crystal Display (LCD), displays 
computer output (Configuration may vary by models). 
4  Power button  Turns the computer on and off. 
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5
6
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8
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9 10 11 13 14 15
12 

6Chapter 1
5  Backup key  Launches Acer Backup Management for three-step 
data backup. 
Bluetooth 
communication 
button/indicator Enables/disables the Bluetooth function. Indicates the 
status of Bluetooth communication (only for certain 
models) 
Wireless LAN 
communication 
button/indicator Enables/disables the wireless LAN function. Indicates 
the status of wireless LAN communication. 
6  Keyboard  For entering data into your computer. 
7  Touchpad  Touch-sensitive pointing device which functions...

Chapter 17
Closed Front View
Rear View
# Icon Item Description 
1 Multi-in-1 card 
reader Accepts Secure Digital (SD),  MultiMediaCard 
(MMC), Memory Stick (MS), Memory Stick 
PRO (MS PRO), xD-Picture Card (xD). 
Note: Push to remove/install the card. Only 
one card can operate at any given time. 
2  CIR receiver  Receives signals from a remote control.  
3 Speakers Dolby 5.1 speakers deliver stereo audio output.
ItemDescription
1 Tuba The dedicated Tuba CineBass subwoofer pumps out 
earthshaking...

8Chapter 1
Left View
#IconItemDescription
1 DC-in jack Connects to an AC adapter.
2 Ethernet (RJ-45) 
portConnects to an Ethernet 10/100/1000-based network.
3 External display 
(VGA) portConnects to a display device (e.g., external monitor, 
LCD projector).
4 DISPLAY DISPLAY port Supports high definition digital video connections.
5 HDMI HDMI port Supports high definition digital video connections.
6 eSATA e SATA port Connects to eSATA devices (only for certain models).
7 USB 2.0 port Connects to USB 2.0...

Chapter 19
Right View
IconItemDescription
1 USB 2.0 port Connects to USB 2.0 devices (e.g., USB mouse, 
USB camera).
2 Optical drive Internal optical drive; accepts CDs or DVDs.
3 Optical disk access 
indicatorLights up when the optical drive is active.
4 Optical drive eject 
buttonEjects the optical disk from the drive.
5 Emergency eject hole Ejects the optical drive tray when the computer is 
turned off.
Note: Insert a paper clip to the emergency eject hole 
to eject the optical drive tray when the...

10Chapter 1
Bottom View
IconItemDescription
1 Battery bay Houses the computers battery pack.
2 Battery release latch Releases the battery for removal.
3 Battery lock Locks the battery in position.
4 Hard drive bay-
SecondaryHouses the computer’s hard disk (secured with screws) 
(for certain models only).
5 Hard disk bay-Main Houses the computers hard disk (secured
with screws).
6 Memory compartment Houses the computer’s main memory
7 Ventilation slots and 
cooling fanEnable the computer to stay cool,...