Acer Aspire 5720 Service Guide

Chapter 135
 
Bluetooth
Foxconn Bluetooth® 2.0+EDR
Wireless LAN Foxconn Atheros XB63 minicard b/g
Fox BRM 4311 Minicard BG
PCMCIA TI PCI 7412
Audio Realtek ALC268
Keyboard
ItemSpecification
Keyboard controller KBC1122
Total number of keypads 88-/89-key
Windows logo key Yes
Internal & external keyboard work 
simultaneously Plug USB keyboard to the USB port directly: Yes
Battery
ItemSpecification
Vendor & model name BATTERY PANASONIC LI-ION  6CELLS
BATTERY SANYO LI-ION 6CELLS
BATTERY SIMPLO LI-ION 6CELLS...

36Chapter 1
Typical White Luminance (cd/m2)
also called Brightness 300
300300 300
Luminance Uniformity N/AN/A70 70
Contrast Ratio 300300 250 250
Response Time (Optical Rise Time/Fall 
Time)msec 8888
Nominal Input Voltage VDD +3.3V Typ. +3.3V3.3V3.3V
Typical Power Consumption (watt) 5.6/5.7 3.96N/A N/A
Weight 550570600 600
Physical Size(mm) 317.3x242.0x6.
0 317.3x242.0x5.
9317.3x242.0x6.
5 317.3x242.0x6.
5
Electrical Interface 1 channel LVDS 1 channel LVDS 1 channel LVDS 1 channel LVDS
Support Color 262K...

Chapter 137
Working (G0/S0)Individual devices such as the CPU and hard disc may be power 
managed in this state.
Suspend to RAM (S3) CPU set power down
VGA Suspend
PCMCIA Suspend
Audio Power Down
Hard Disk Power Down
CD-ROM Power Down
Super I/O Low Power mode
Save to Disk (S4) Also called Hibernation Mode. System saves all system states and 
data onto the disc prior to power off the whole system.
System Power Management
ACPI modePower Management 

38Chapter 1 

Chapter 239
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 optimi zed, 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 
m during POST (when “Press  to  enter Setup” message is prompted 
on...

40Chapter 2
Navigating the BIOS Utility
There are six menu options: Info., Main, System Devices, Security, Boot, and Exit.
Follow these instructions:
TTo choose a menu, use the cursor left/right keys ( zx).
TTo choose a parameter, use the cursor up/down keys ( wy).
TTo change the value of a parameter, press por q.
TA plus sign (+) indicates the item has sub-items. Press  e to expand this item.
TPress  ^ while you are in any of the menu options to go to the Exit menu.
TIn any menu, you can load default...

Chapter 241
Information
NOTE: The system information is su bject to different models.
ParameterDescription
CPU Type / CPU Speed This field shows the CPU type and speed of the system.
HDD Model Name This field shows the model name of HDD installed on primary IDE master.
HDD Serial Number This field displays the seri al number of HDD installed on primary IDE master.
ATAPI Model Name This field shows the model name of  devices installed on secondary IDE master. The hard 
disk drive or optical drive model...

42Chapter 2
Main
The Main screen displays a summary of your computer hardware information, and also includes basic setup 
parameters. It allows the user to specify standard IBM PC AT system parameters.
NOTE:  The screen above is for your reference only. Actual values may differ.
InsydeH2O Setup Utility
  Information
 Main
 
Item Specific Help  
 
 
 
 
   
  
  
    
   
This is the help for the hour 
field. Valid range is from 0 
to 23.
INCREAE/REDUCE : F5/ F6.  
 
F1
        F5/F6
                  F9...

Chapter 243
The table below describes the parameters in this screen. Settings in boldface are the default and suggested 
parameter settings.
NOTE:  The sub-items under each device will not be shown if t he device control is set to disable or auto. This is 
because the user is not allowed to control the settings in these cases.
ParameterDescriptionFormat/Option
System Time Sets the system time. The hours are displayed 
with 24-hour format. Format: HH:MM:SS 
(hour:minute:second) System Time
System Date...

44Chapter 2
Advanced
The Advanced screen displays advanced settings in BIOS.
The table below describes the parameters in this screen. Settings in boldface are the default and suggested 
parameter settings.
ParameterDescriptionOption
Advanced CPU Control
Platform Power Management
IDE Configuration
ACPI S1 Sets the ACPI S1 sleep state.
Enabled or Disabled
ACPI S3 Sets the ACPI S3 sleep state.
Enabled or Disabled
Auto wake on S5 Enables the Auto wake on S5 by day of month 
or fixed time of every day, or...