Acer 486 Specifications download pdf (Page 37)

Chapter 5 BIOS diagnostics and setup 29

There are three situations in which you will need to change the

CMOS settings:

1. You are starting your system for the first time

2. You have changed the hardware attached to your system

3. The CMOS memory has lost power and the configuration

information has been erased.

The PCA-6143P’s CMOS memory has integral lithium battery

backup. The battery backup should last ten years in normal

service, but when it finally runs down, you will need to replace the

complete unit. Contact your sales representative or distributor for

details.

Running the setup program

Normally, the only routine visible on the screen will be the

memory test. The following figure shows the screen as it appears

while the tests are occurring.

xxxx KB OK

Hit <DEL> if you want to run SETUP

(c)American Megatrends, Inc.

xx-xxxx-xxxxxx-xxxxxxx-xxxxxx-xxxx

Power On Self Tests

A line of reference codes appears at the bottom left of the screen.

These codes identify the options installed in the AMI BIOS. If you

have a problem with your system, make a note of these codes

before you contact your dealer for technical support.

To “freeze” the screen so that you can write down the codes,

power-on the system and hold down a key on the keyboard. This

will cause a “Keyboard Error” message to appear on the screen

and the system will wait for you to press the <F1> key. After you

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Acer 486 Specifications Page 37