Acer Aspire 1800 Service Guide

Chapter 133
0062-0062 Microsoft ACPI-Compliant Embedded Controller
0064-0064 Standard 101/102-Key or Microsoft Natural PS/2 Keyboard
0066-0066 Microsoft ACPI-Compliant Embedded Controller
0070-0071 System CMOS/real time clock
0072-0077 Motherboard resources
0080-0080 Motherboard resources
0081-008F Direct memory access controller
0090-009F Motherboard resources
00A0-00A1 Programmable interrupt controller
00A4-00A5 Motherboard resources
00A8-00A9 Motherboard resources
00AC-00AD Motherboard resources...

34Chapter 1
4000-4FFF Intel(R) 915G/P/BN PCI Express Root Port-2581
FC00-FCFF ENE CB-1410/851 Cardbus Controller
FD00-FDFF ENE CD-1410/851 Cardbus Controller
FE00-FE00 Motherboard resources
IRQ Assignment Map
Interrupt ChannelFunction(Hardware)
IRQ00 SystemTimer
IRQ01 Standard 101/102-Key or Microsoft Natural PS/2 Keyboard
IRQ03 SMC IrCC - Fast Infrared Port
IRQ08 System CMOS/real time clock
IRQ09 Microsoft ACPI-Compliant System
IRQ12 Synaptics PS/2 Port Tochpad
IRQ13 Numeric data processor
IRQ14 Primary...

Chapter 235
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...

36Chapter 2
Information
ParameterDescription
CPU Type This field will show you the system’s CPU type.
CPU Speed This item will show the CPU speed.
HDD Model Name This item will show the size of HDD installed on Primary IDE master. 
The hard disk size 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 allows the serial number of the Hard Disk. If there is no hard 
disk present or unknown type,...

Chapter 237
Main
This menu provides you the information of the system. 
ParameterDescription
System Time The hours are displayed with 24 hours format. The values set in these two fields 
take effect immediately
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 base memory size of system.
Extended Memory This field reports the extended memory size of the system.
VGA Memory This field reports the VGA...

38Chapter 2
Advanced
The Advanced screen contains parameters involving your hardware devices. It also provides advanced
 settings of the system.
FIR Ports
Configure the system’s infrared port using options: Disabled and Enabled.
The table below describes the parameters in the screen. Settings in boldface are the default and suggested
 parameter settings.
ParameterDescriptionOption
FIR I/O Settings Sets the base I/O address and IRQ for 
Infrared port.3F8/IRQ4
2F8/IRQ3
3E8/IRQ4
2E8/IRQ3
DMA Setting for...

Chapter 239
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.
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)...

40Chapter 2
Password on Boot Defines whether a password is required 
or not while the events defined in this 
group happened. The following sub-
options are all requires the Supervisor 
password for changes and should be 
grayed out if the user password was used 
to enter setup.
Allows the user to specify whether or not 
a password is required to boot.Check
Uncheck
ParameterDescriptionOption 

Chapter 241
Boot
This menu allows the user to decide the order of boot devices to load the operating system. Bootable 
devices includes the distette drive in module bay, the onboard hard disk drive and the CD-ROM 
in module bay and onboard LAN device.
.
Phoenix cME FirstBIOS Pro Setup Utility 
  Information     Main      Advanced       Security        Boot         Exit 
  Item specific Help 
Boot priority order:   
 1:  IDE 0: TOSHIBA MK6025GAS-(PM)
2:  IDE1: QSI DVDRW SDW-042-(PS) 
3:  PCI LAN:  
4:...

42Chapter 2
Exit
The Exit screen contains parameters that help safeguard and protect your computer from unauthorized use.
The table below describes the parameters in this screen.
ParameterDescription
Exit Saving Changes Allows the user to save changes to CMOS and reboot the system.
Exit Discarding 
ChangesAllows the user Discards changes made and exits System Setup.
Load Setup Default Loads default settings for all parameters (same as t ).
Discard Changes Allows the user to discard previous changes in...