QUATEL AT compatible BIOS

3 short indicates any failure in early POST

Beeps Failure

==========================================

No display and no sound Power problem

Click, but no beeps Power good, can't run PC

Continuous beep Power problem

Repeating short beeps Power problem

1 long and 1 short high beep Clock speed too fast

1 long and 2 short beeps Display problem

1 short beep Display problem

1 long and 3 short beeps EGA problem