Acer Aspire 5740 Service Guide

Chapter 113
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.
Special Key (only for certain models)
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.Either press < > on the...

14Chapter 1
Hardware Specifications and Configurations
Processor
Throttling 50%: On= 99 C; OFF=93 C
OS shut down at 105 C; H/W shot down at 110 .C
 
ItemSpecification
CPU type
Aspire 5740: Intel® Core i5 540M 2.53G 3M
Aspire 5740G: Intel® Core i3 330M PGA 2.13G 3M 
                        Intel® Core i5 520M 2.4G 3M
                        Intel® Core i5 540M 2.53G 3M
Core logic PCH/HM55 Express chipset
CPU package  PGA 988
CPU core voltage
CPU Fan True Value Table
DTS(degree C)Fan Speed (rpm)Acoustic...

Chapter 115
 
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 Module   
  Memory Combinations
Slot 1Slot 2Total Memory
0MB 1024MB 1024MB
0MB 2048MB 2048MB
1024MB 0MB 1024MB
1024MB 1024MB 2048MB
1024MB 2048MB 3072MB
2048MB 0MB 2048MB
2048MB 1024MB 3072MB
2048MB 2048MB 4096MB
ItemSpecification
LAN Chipset Broadcom 57780
Supports LAN protocol...

16Chapter 1
Hard Disk Drive Interface
Item
Vendor & Model 
Name2.5 5400rpm 160GB 
HGST  
HTS545016B9A300
WD WD1600BEVT-
22ZCTO 2.5 5400rpm  250GB  
HGST 
HTS545025B9A300 
WD WD2500BEVT-
22ZCT02.5 5400rpm 320GB 
HGST 
HTS545032B9A300
WD WD3200BEVT-
22ZCT02.5 5400rpm 500GB 
HGST 
HTS545050B9A300 
WD  WD5000BEVT-
22ZAT02.5 5400rpm 640GB 
WD WD6400BEVT-
22A0RT0
Capacity (MB) 160000 250000 320000 500000 640000
Bytes per sector 512 512 512 512 512
Data heads 3/4 2 3 4
Drive Format
Disks 2 1 2 2
Spindle speed...

Chapter 117
Applicable disc format Applicable disc format
CD: CD-DA, CD-ROM, CD-ROM XA, Photo CD (multi-session), Video 
CD, Cd-Extra (CD+), CD-text
DVD: DVD-VIDEO, DVD-ROM, DVD-R (3.9GB, 4.7GB) DVD-R DL, 
DVD-RW, DVD-RAM, DVD+R, DVD+R DL, DVD+RW
CD:
CD-DA (Red Book) - Standard Audio CD & CD-TEXT 
CD-ROM (Yellow Book Mode1 & 2) - Standard Data
CD-ROM XA (Mode2 Form1 & 2) - Photo CD, Multi-Session
CD-I (Green Book, Mode2 Form1 & 2, Ready, Bridge)
CD-Extra/ CD-Plus (Blue Book) - Audio & Text/Video
Video-CD...

18Chapter 1
Applicable disc format Applicable disc format
CD: CD-DA, CD-ROM, CD-ROM XA, Photo CD (multi-session), Video CD, Cd-
Extra (CD+), CD-text
DVD: DVD-VIDEO, DVD-ROM, DVD-R (3.9GB, 4.7GB) DVD-R DL, DVD-RW, 
DVD-RAM, DVD+R, DVD+R DL, DVD+RW
CD:
CD-DA (Red Book) - Standard Audio CD & CD-TEXT 
CD-ROM (Yellow Book Mode1 & 2) - Standard Data
CD-ROM XA (Mode2 Form1 & 2) - Photo CD, Multi-Session
CD-I (Green Book, Mode2 Form1 & 2, Ready, Bridge)
CD-Extra/ CD-Plus (Blue Book) - Audio & Text/Video
Video-CD...

Chapter 119
 
    Video 
ItemSpecification
Chipset UMA
AMD PARK_XT 40nm 29mm*29mm M2 package
AMD MADISON_PRO 40nm 29mm*29mm M2 package
Memory size 1 GB DDR3
System Board Major Chips
Item Controller
PCH IC PCH HM55 QMNT MM#904529 B3
MODEM Foxconn Delphi-AM5 V2H 1.5_3.3V AUS T60M951.36
Lite-On Conexant -Unizion1.5_3.3V AUS B85247600G
Bluetooth Foxconn Bluetooth BCM2046 V2.11
Wireless 802.11 b/g/n Foxconn Atheros XB63
QMI Atheros HB93 1X2 BGN HM EM306
Foxconn 802.11BGN BCM 43225 BGN 
5 in 1 Card Reader...

20Chapter 1
Display Mode Normally White
Typical White Luminance (NIT)
also called Brightness220
Luminance Uniformity 1.25 max.
Contrast Ratio 400 typical
Response Time msec 8
Nominal Input Voltage VDD +3.3V
Viewing Angle (degree)
Horizontal: Right/Left
Vertical: Upper/Lower45/45
15/35
Temperature Range( C)
Operating
Storage (shipping)0 to +50
-40 to +60
AC Adaptor
ItemSpecification
Input  100-240V~ 1.5A, 50-60Hz/
Output 65W 19V
System Power Management
ACPI modePower Management
Mech. Off (G3) All devices...

Chapter 221
BIOS Setup Utility
The BIOS Setup Utility is a hardware configuration program built into your computer’s BIOS (Basic Input/
Output System).
Your computer is already properly configured and optimized, and you do not need to run this utility. However, if 
you encounter configuration problems, you may need to run Setup. Please also refer to Chapter 4 
Troubleshooting when problem arises.
To activate the BIOS Utility, press F2 during POST (when “Press  to enter Setup” message is prompted 
on the...

22Chapter 2
Navigating the BIOS Utility
There are five menu options: Information, Main, Security, Boot, and Exit.
Follow these instructions:
•To choose a menu, use the left and right arrow keys.
•To choose an item, use the up and down arrow keys.
•To change the value of a parameter, press F5 or F6.
•A plus sign (+) indicates the item has sub-items. Press Enter to expand this item.
•Press Esc while you are in any of the menu options to go to the Exit menu.
•In any menu, you can load default settings by...