Bios Flash Utility; System Diagnostic Diskette - Acer TravelMate 420 Service Manual

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 Flash 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 Flash utility.
NOTE: Do not install memory-related drivers (XMS, EMS, DPMI) when you use the Flash utilities.
NOTE: Please use the AC adaptor power supply when you run the Flash 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 Flash.
1. Prepare a bootable diskette.
2. Copy the Flash utilities to the bootable diskette.
3. Then boot the system from the bootable diskette. The Flash utility has auto-execution function.

System Diagnostic Diskette

This diagnostic diskette is for the Acer TravelMate 420 series notebook machine. You can find the utility in
Service CD kit. It provides the following functions:
1. RTC Function Test
2. PIO Loop Back Test
3. CD ROM Function Test
4. Touchpad and USB Mouse Test
5. Video Model (R.G.B.) Test
6. Internal Keyboard Test
7. Num/Caps/Scroll Key Lock Test
8. Battery (Charge/Discharge) Test
9. Audio Test
10. Audio CD Play Function Test
11. Lid Switch Function Test
12. Easy Button Function Test
13. FAN Test
14. CRT Output Function Test
To use the diagnostic programs, and system utilities, please boot the system from this service CD. The
diagnostic programs contain autorun function under DOS. Please select the item you want to test
under DOS mode according to the menu.
1
IMPORTANT: The diagnostics program we use for TravelMate 420 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 420 series service CD kit. To better fit local service
1
New added description. Please pay attention to it.
52 Chapter 2