Acer Aspire 8920 Service Guide

Chapter 135
 
 
                (b) Release by ATAPI command 
                (c) Emergency Release
Power Requirement
Input Voltage 5 V +/- 5 % (Operating) 
Video Interface
ItemSpecification
Chipset Acer MXM compatible
USB Port
ItemSpecification
Chipset Built-in ICH8M
USB Compliancy Level 2
OHCI USB 1.1 and USB 2.0 Host controller
Number of USB port 4
Location  One on the left side; three on the right side
Serial port function control Enable/Disable by BIOS Setup
Express Card Interface
ItemSpecification...

36Chapter 1
 
CardReader Jmicro JMB385
MODEM Foxconn T60M955
Bluetooth Foxconn T60H928.11
Wireless 802.11 a+b+g Built-in ICH8-M
Audio Realtek ALC889X
Keyboard
ItemSpecification
Keyboard controller ITE 8512E
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 PACK SANYO LI-ION 8 CELL2.4, 4800MAH
BATTRY PACK SONY LI-ION 8CELL2.4, 4800MAH
Battery Type...

Chapter 137
Display Mode Normally White
Typical White Luminance (cd/m2)
also called Brightness 300
Luminance Uniformity N/A
Contrast Ratio 600
Response Time (Optical Rise Time/Fall Time)msec 8
Nominal Input Voltage VDD +3.3V
Typical Power Consumption (watt) 4.5W
Weight(g) 550g
Physical Size(mm) 365x214x6.5
Electrical Interface Dual channel LVDS
Support Color 262,144
Viewing Angle (degree)
Horizontal: Right/Left 65/65
Vertial: Upper/Lower 50/50
Temperature Range(C)
Operating
Storage (shipping)
0 to +50 /...

38Chapter 1
Maximum input AC current 1.5A
Inrush current  50A@115VAC
100A@230VAC
Efficiency 85% min. @115VAC input full load
System Power Management
ACPI modePower Management
Mech. Off (G3) All devices in the system are turned off completely.
Soft Off (G2/S5) OS initiated shutdown. All devices in the system are turned 
off completely.
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...

Chapter 247
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...

48Chapter 2
 Invoking BIOS Setup
The setup function can only be invoked by pressing F2 when   Press  to enter Setup  message is 
prompted on the bottom of screen during POST.
The setup uses a menu driven interface to allow the user to configure their system. The features are divided 
into 6 parts as follows:
                   Information    Display the system informations.
                   Main              allows the user to specify standard IBM PC AT system parameters.
                   Advanced...

Chapter 249
Information
NOTE: The system information is subject to different models.
ParameterDescription
CPU Type This field shows the CPU type and speed of the system.
IDE1 Model Name This field shows the model name of HDD installed on primary IDE master.
IDE1 Serial Number This field displays the serial number of HDD installed on primary IDE master.
IDE2I Model Name This field displays the mofel name of devices installed on secondary IDE master. The hard 
disk drive or optical drive model name is...

50Chapter 2
UUID Number This will be visible only when an internal LAN device is presenting.
UUID=32bytes
ParameterDescription 

Chapter 251
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. 

52Chapter 2
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...