Acer Travelmate 6291 Service Guide

Chapter 135
Support Color 262K colors 
(RGB 6-bit data 
driver)262,144 262,144 262,144
Viewing Angle (degree)
Horizontal: Right/Left
Vertical: Upper/Lower40/40
10/3045/45
15/3540/40
20/4040/40
20/40
Temperature Range( C)
Operating
Storage (shipping)0 to +50
-20 to +600 to +50
-25 to +600 to +50
-20 to +600 to +50
-20 to +60
LCD Inverter
ItemSpecification
Vendor & model name Darfon/V189-301GP
Brightness conditions N/A
Input voltage (V) 9~21
Input current (mA) 2.56 (max)
Output voltage (V, rms) 780V (2000V...

36Chapter 1 

Chapter 237
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...

38Chapter 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 239
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.
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.
System BIOS Version Displays system BIOS version.
VGA BIOS Version This field displays the VGA firmware version of the system.
Serial Number...

40Chapter 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.
Phoenix TrustedCore(tm) Setup Utility
   Information      
Main      A dvanced          S ecurity       B oot       E xit 
 
  
Item Specific Help 
System Time: [19:03: 49] 
System Date  :[04/25/ 2007] 
  
 
 
Video Memory  :[8MB...

Chapter 241
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...

42Chapter 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
Serial port Displays the settings of the serial port.
Auto, Enabled, or Disabled
Parallel port Shows the settings of the parallel port.
Auto, Enabled, or Disabled
IrDA Device Shows the setting of the infrared port.
Auto, Enabled, or Disabled
Phoenix TrustedCore(tm) Setup...

Chapter 243
Security
The Security screen contains parameters that help safeguard and protect your computer from unauthorized 
use.
Phoenix TrustedCore(tm) Setup Utility
     Information             Main        Advanced Boot
 
 
Item Specific Help 
Supervisor Password Is : Clear
 
User Password Is : Clear
Set Supervisor Password
Set User Password
  Password on boot :[Disabled]
 
  
 
Supervisor Password 
controls accesses to the 
setup utility.
 
 
F1  Help          Select Item          F5/F6 Change...

44Chapter 2
The table below describes the parameters in this screen. Settings in boldface are the default and suggested 
parameter settings.
NOTE: When you are prompted to enter a password, you have three tries before the system halts. Don’t forget 
your password. If you forget your password, you may have to return your notebook computer to your 
dealer to reset it.
Setting a Password
Follow these steps as you set the supervisor, user, or hard disk password:
1.Use the w and y keys to highlight the Set...