Acer Aspire 1690 Service Guide

44Chapter 1
DVD ROM
ItemSpecification
Model Name QSI, SDR-083
Diameter 12cm and 8cm 
Capacity 4.7 GB(mode 1, 12cm disk)
Transfer rate 11.08 MB/s max(read)
Access Time  DVDROM  120 (typical)  
Voltage DC +/- 5V +/-5%
Current 1.5 A (max)
Dimension 128.0x12.7x129.0 
Weight Aluminum  195 g 
Metal  235 g  
MTBF 120000 POH (10 % duty)
Temperature
Operation 5
oC 
Non-Operation -20
oC 
DVD/CD RW Combo
ItemSpecification
Model Name QSI, SBW-242
Diameter 12cm and 8cm 
Capacity CDROM  650 MB(mode 1, 12cm disk)...

Chapter 245
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...

46Chapter 2
Information 
ParameterDescription
CPU Type
CPU Speed
HDD Model Name This item will show the Model name of HDD installed on Primary IDE 
master. The hard disk model name is automatically detected by the 
system. If there is no hard disk present or unknown type, “None” 
should be shown on this field
HDD Serial Number This item will show the Serial number of HDD installed on Primary IDE 
master. If no Hard disk or other devices are installed on Primary IDE 
master, then it will display a blank...

Chapter 247
Main
This menu provides you the information of the system.
ParameterDescription
System Time / System 
Date The hours are displayed with 24 hours format. The values set in these two fields 
take effect immediately.
System Memory This field reports the memory size of system base memory.  The size is fixed to 
640KB. 
Extended Memory This field reports the memory size of the extended memory in the system. 
Extended Memory size = Total memory size - 1 MB 
Video Memory VGA Memory size = 128MB...

48Chapter 2
D2D Recovery Allow user to enable/disable the Disk-to-Disk recovery
Processor Power 
Management Selects the Processor Power Management desired:
Disabled= C states and GV1/GV3 are disabled
GV1/GV3 only= C states are disabled
C States Only= GV1/GV3 are disabled
Enabled= C States and GV1/GV3 are enabled
ParameterDescription 

Chapter 249
Advanced
The Advanced screen contains parameters involving your hardware devices. It also provides advanced
 settings of the system.
The table below describes the parameters in the screen. Settings in boldface are the default and suggested
 parameter settings.
DescriptionOption
Serial port A Configure serial port A using options:
[Disabled]: No configuration
[Enabled]: User configuration
[Auto]: BIOS or OS chooses configuration
(OS Controlled) Displayed when controlled 
by OSDisabled
Enabled...

50Chapter 2
Parallel port Configure serial port B using options:
[Disabled]: No configuration
[Enabled]: User configuration
[Auto]: BIOS or OS chooses configuration
(OS Controlled) Displayedd when controlled 
by OSDisabled
Enabled
Auto
Mode Set the mode for the parallel port using 
options:
Output only Bi-directional 
EPP
ECPOutput only
Bi-directional
EPP
ECP
Internal TouchPad Configure touch pad 
[Both]: Enable both touch pad and PS/2 
mouse
[Auto]: If PS/2 mouse exist, disable touch 
padBoth
Auto...

Chapter 251
Security
The Security screen contains parameters that help safeguard and protect your computer from 
unauthorized use.
The table below describes the parameters in this screen. Settings in boldface are the default and 
suggested  parameter settings.
ParameterDescriptionOption
Supervisor Password Is N/A N/A
User Password Is N/A N/A
HDD Password Is N/A N/A
HDD Master ID N/A N/A
Set Supervisor Password Press Enter to set the administrator 
password. When set, this password 
protects the BIOS...

52Chapter 2
Set Supervisor/User Password
If password on boot is required, the password must be set otherwise it cannot be enabled.
The formats of the password are as follows:
Length           No more than 8 characters
Characters    0-9,A-Z (not case sensitive) 
While these fields are highlighted and press “Enter”,  a window similar to the following is shown: 
If there is an old password then setup will prompt with the following window instead and a current password 
will be required to be entered at...

Chapter 253
User can now type password in field “Enter New Password”, and re-enter password in field “Confirm New 
Password” for verification. 
If the verification is OK: 
The password setting is complete after user presses enter. 
If the current password entered does not match the actual current password: 
If the new password and confirm new password strings do not match: 
Setup Notice 
Changes have been saved. 
[ continue] 
Setup Warning 
Invalid password 
Re-enter Password 
[ continue] 
Setup Warning...