Acer Aspire 5942 Service Guide

Chapter 111
TouchPad Basics (with fingerprint reader)
The following items show you how to use the TouchPad with Acer Bio-Protection fingerprint reader:
• Move your finger across the touchpad (1) to move the cursor.
• Press the left (2) and right (4) buttons located beneath the touchpad to perform selection and 
execution functions. These two buttons are similar to the left and right buttons on a mouse. 
Tapping on the touchpad is the same as clicking the left button.
• Use Acer Bio-Protection fingerprint...

12Chapter 1
Using the Keyboard
The keyboard has full-sized keys and an embedded numeric keypad, separate cursor, lock, Windows, function 
and special keys.
Lock Keys and embedded numeric keypad
The keyboard has three lock keys which you can toggle on and off.
The embedded numeric keypad functions like a desktop numeric keypad. It is indicated by small characters 
located on the upper right corner of the keycaps. To simplify the keyboard legend, cursor-control key symbols 
are not printed on the keys....

Chapter 113
Windows Keys
The keyboard has two keys that perform Windows-specific functions.
KeyDescription
Windows key Pressed alone, this key has the same effect as clicking on the Windows Start button; 
it launches the Start menu. It can also be used with other keys to provide a variety of 
functions:
: Open or close the Start menu
 + : Display the desktop
 + : Open Windows Explore
 + : Search for a file or folder
 + : Cycle through Sidebar gadgets
 + : Lock your computer (if you are connected to a...

14Chapter 1
Hot Keys
The computer employs hotkeys or key combinations to access most of the computer’s controls like screen 
brightness, volume output and the BIOS utility.
To activate hot keys, press and hold the  key before pressing the other key in the hotkey combination.
HotkeyIconFunctionDescription
 +  System Properties Starts System Properties for displaying system 
information.
 +  Bluetooth Enables/disables the Bluetooth function
*.
 +  Sleep Puts the computer in Sleep mode.
 +  Display toggle...

Chapter 115
Special Keys
You can locate the Euro symbol and the US dollar sign at the upper-center and/or bottom-right of your 
keyboard.
The Euro symbol
1.Open a text editor or word processor.
2.Hold  and then press the  key at the upper-center of the keyboard.
NOTE:  Note: Some fonts and software do not support the Euro symbol. Please refer to www.microsoft.com/
typography/faq/faq12.htm for more information.
The US dollar sign
1.Open a text editor or word processor.
2.Hold  and then press the  key at...

16Chapter 1
Hardware Specifications and Configurations
Processor
Processor Specifications
CPU Fan True Value Table
Clarksfield
• Throttling 50%: On=95°C Off: 86°C
ItemSpecification
CPU type Intel Mobile Calpella
Core Logic Intel Ibex Peak-M (PM55)
CPU Package rPGA988A
CPU Core Voltage See Processor Specifications below
L2 cache 256K
ProcessorCPU 
SpeedCoresBus 
SpeedMfg. 
Te c h .Cache 
SizePackagePowerAcer 
P/N
Ci330M 2.13 GH 2 2.5 GT/s Q3GGM
M#9041
923 MB rPGA98
8A35 W KC.33
001.D
MP
Ci3350M 2.26 GH 2...

Chapter 117
• OS shut down at 100°C; H/W shut down at 92°C
Auburndale
• Throttling 50%: On=100°C Off: 86°C
• OS shut down at 105°C; H/W shut down at 92°C
DOS Mode
• Throttling 50%: On=95°C Off: 86°C
• OS shut down at 100°C; H/W shut down at 92°C
BIOS
System Memory 
ItemSpecification
BIOS vendor InsydeH20
BIOS Version V1.0
BIOS ROM type Flash
BIOS ROM size 2MB
Features • Support ISIPP
• Support Acer UI
• Support multi-boot
• Suspend to RAM (S3)/Disk (S4)
• Various hot-keys for system control
• Support...

18Chapter 1
Memory Combinations 
NOTE: Above table lists some system memory configurations. You may combine DIMMs with various 
capacities to form other combinations. On above table, the configuration of slot 1 and slot 2 could be 
reversed.
LAN Interface
Wireless Module 802.3
Slot 1Slot 2Total Memory
0MB 512MB 512MB
0MB 1024MB 1024MB
0MB 2048MB 2048MB
512MB 512MB 1024MB
512MB 1024MB 1536MB
512MB 2048MB 2560MB
1024MB 0MB 1024MB
1024MB 512MB 1536MB
1024MB 1024MB 2048MB
1024MB 2048MB 3072MB
2048MB 0MB...

Chapter 119
Features Integrated 10/100/10000BASE-T transceiver
Automatic MDI crossover function
PCIe V1.1 compliant
10/100/10000BASE-T full -duplex/half -duplex MAC
Receive side scaling(RSS) for multicore processors
Complies with IEEE 802.3, 802.3u, 802.3ab, and 802.1p
Wake on LAN (WOL) support meeting the ACPI requirements
Statistics for SNMP MIB II, Ethernet-like MIB, and Ethernet MIB (IEEE 802.3z, 
Clause 30)
Self-boot feature, utilizing smaller EEPROM size with ability to use on-chip memory
Supports...

20Chapter 1
Hard Disk Drive Interface
ItemSpecification
Vendor & Model Name Seagate
ST9250315AS
ST9320325AS
ST9500325ASToshiba
MK2555GSX
MK3263GSX
MK5055GSXHGST
HTS545025B9
HTS545032B9
HTS545050B9WD
WD2500BEVT
WD3200BEVT
WD5000BEVT
WD6400BEVT
Capacity (GB) 250, 320, 500 250, 320, 500 250, 320, 500 250, 320, 500, 
640
Bytes per sector 512 512 512
Data heads 2, 3, 4 2, 3, 4 2, 3, 4
Drive Format
Disks 1, 2, 2 1, 2, 2 1, 2, 2 TBD
Spindle speed (RPM) 5400
Performance Specifications
Buffer size  8 MB
Interface...