Acer Altos G520 series User Manual page 183

Diagnostic LED Decoder
Check
G=Green, R=Red, A=Amber
point
MSB
FF A
LSB
A A A
Description
The flash has been
updated successfully.
Make flash write disabled.
Disable ATAPI hardware.
Restore CPUID value back
into register. Give control
to F000 ROM and
F000:FFF0h.
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