Acer Aspire 7720g 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 
simultaneouslyPlug 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
Display Mode Normally White Normally White Normally White Normally White
Typical White Luminance (cd/m
2)
also called Brightness300 300 300 300
Luminance UniformityN/A N/A 70 70
Contrast Ratio300 300 250 250
Response Time (Optical Rise Time/Fall 
Time)msec8888
Nominal Input Voltage VDD+3.3V Typ. +3.3V 3.3V 3.3V
Typical Power Consumption (watt)5.6/5.7 3.96 N/A N/A
Weight550 570 600 600
Physical Size(mm)317.3x242.0x6.
0317.3x242.0x5.
9317.3x242.0x6.
5317.3x242.0x6.
5
Electrical Interface1...

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 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 
m during POST (when “Press  to enter Setup” message is prompted 
on the...

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 subject 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 serial 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 name...

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.
InsydeH20 Setup Utility Rev. 3.0
  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 the 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 Sets...

44Chapter 2
Security
The Security screen contains parameters that help safeguard and protect your computer from unauthorized 
use.
InsydeH20 Setup Utility Rev. 3.0
           
 
Item Specific Help 
Supervisor Password Is
User Password Is Clear
Set Supervisor Password
Set User Password
  Password on Boot :[Enabled]
 
  
 Install or Change the 
password.
 
 
 
F1  Help    Select Item    F5/F6 Change ValuesF9 Setup Defaults 
Esc Exit      Select MenuEnter  Select    Sub -Menu F10 Save and Exit  
Set HDD...