Acer Travelmate 270 Service Guide

							46Chapter 2
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. 
						

							Chapter 247
Info.
This menu provides you the information of the system.
ParameterDescription
System BIOS Version Displays system BIOS version
VGA BIOS Version Displays VGA BIOS version
Serial Number
UUID Number UUID=16bytes
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
1MB – 
						

							48Chapter 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
Saving Changes and Exit Saves your changes to CMOS and exits System Setup (same as 
u ).
Discarding Changes and 
ExitDiscards changes made and exits System Setup.
Get Default Values Loads default settings for all parameters (same as 
t ). 
						

							Chapter 249
BIOS Flash Utility
The BIOS flash memory update is required for the following conditions:
New versions of system programs
New features or options
Restore a BIOS when it becomes corrupted. 
Use the Phlash utility to update the system BIOS flash ROM.
NOTE: If you do not have a crisis recovery diskette at hand, then you should create a Crisis Recovery 
Diskette before you use the Phlash utility.
NOTE: Do not install memory-related drivers (XMS, EMS, DPMI) when you use the Phlash.
NOTE: Please use the AC adaptor power supply when you run the Phlash utility. If the battery pack does not 
contain enough power to finish BIOS flash, you may not boot the system because the BIOS is not 
completely loaded. 
Fellow the steps below to run the Phlash.
1.Prepare a bootable diskette.
2.Copy the Phlash utilities to the bootable diskette.
3.Then boot the system from the bootable diskette. The Phlash utility has auto-execution function.
System Utility Diskette
This utility diskette is for the Acer TravelMate 270 series notebook machine. You can find the utility in Service 
CD kit. It provides the following functions:
1.Panel ID Utility
2.Thermal & Fan Utility
3.Mother Board Data Utility
To use this diskette, first boot from this diskette, then a “Microsoft Windows ME Startup Menu” prompt you to 
choose the testing item. Follow the instructions on screen to proceed.
NOTE: This program contains a readme.txt file. This readme.txt file will introduce each test utility and its 
functions.
System Diagnostic Diskette
IMPORTANT: 1The diagnostics program we use for TravelMate 270 series is not exactly the same as PQA 
(Product Quality Assurance), the diagnostic program we used to employ in other model. The system 
diagnostic utilities is provided by Acer Headquarters. You can utilize it as a basic diagnostic tool. To 
get this program, find it in the TravelMate 270 series service CD kit. To better fit local service 
requirements, your regional office MAY have other diagnostic program. Please contact your regional 
offices or the responsible personnel/channel to provide you with further technical details.
NOTE: For ASSY Function Test Procedure, please prepare the following items for system components test: 
SIO/PIO loopback, diskette, mouse (PS/2), CD-Disk (Test Program), battery pack, SYS_card (Card 
Bus)X2, AC-adapter, keyboard, external speaker and feather.
1New added description. Please pay attention to it. 
						

							50Chapter 2
Running Diagnostics Program
1.BIOS Re-flash
Insert CD-Disk and floppy disk then boot from floppy disk drive to BIOS re-flash.
2.Serial Port, Parallel Port and FDD Test
Insert SIO/PIO loopback to serial/parallel port. Place the diskette in the floppy diskette drive. Then run the test 
utility.
3.CMOS RTC and FDD Test
Insert the diskette to the floppy disk drive for test.
  
						

							Chapter 251
.
4.Thermal Test
.
5.Config Test
.
6.1394 ID Check
If you need to confirm whether the 1394GUID serial number has been input or not, you can run this utility. 
Press
^then Y key to next test.
  
						

							52Chapter 2
7.Touchpad Test
After you run the utility, please point and move your finger on the touchpad. Then see if the movement of the 
cursor can reach to left top (X=0, Y=0). Press the right and left button then continue next test.
8.VGA R.G.B. Mode Test
Inspects red, green and blue color of display quality. Press any key to continue next test. 
						

							Chapter 253
9.FA N  Te st
Check if the fan has turned on or not. You can confirm the function by a feather.
10.Keyboard Test
Press all keys according to this order--from left to right and from up to down to test each key’s function. If pass 
then press 
b + Break to continue the next test.
11.32bit Systemcard Test
Insert two pieces of Syscard (Card bus) into PCMCIA slots for test. 
  
						

							54Chapter 2
12.Audio Test
Test the left channel first. After you hear a sound press
eto test the right channel.
13.Battery Charge Test
Plug in AC adapter to the system for test. 
						

							Chapter 355
This chapter contains step-by-step procedures on how to disassemble the notebook computer for 
maintenance and troubleshooting.
To disassemble the computer, you need the following tools:
Wrist grounding strap and conductive mat for preventing electrostatic discharge
Small Philips screw driver
Philips screw driver
Flat head screwdriver
Large flat head screw driver
Tw ee z e rs
Nut driver
NOTE: The screws for the different components vary in size.  During the disassembly process, group the 
screws with the corresponding components to avoid mismatch when putting back the components. 
When you remove the stripe cover, please be careful not to scrape the cover.
Chapter 3
Machine Disassembly and Replacement