Acer R720 Series Diagnostic LED Decoder, Checkpoint, Description, Pre-EFI Initialization PEI Core

Models: R720 Series

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Diagnostic LED Decoder

 

Checkpoint

G=Green, R=Red, A=Amber

Description

code

 

 

 

 

 

 

MSB

 

 

LSB

 

 

 

 

 

 

 

0xDB

A

R

G

A

Trying boot device selection

 

 

 

 

 

 

0xDC

A

A

OFF

R

Trying boot device selection

 

 

 

 

 

 

0xDE

A

A

G

R

Trying boot device selection

 

 

 

 

 

 

0xDF

A

A

G

A

Trying boot device selection

 

 

 

Pre-EFI Initialization (PEI) Core

 

 

 

 

 

 

 

 

0xE0h

R

R

R

OFF

Started dispatching early

 

 

 

 

 

initialization modules (PEIM)

 

 

 

 

 

 

0xE2h

R

R

A

OFF

Initial memory found, configured,

 

 

 

 

 

and installed correctly

 

 

 

 

 

 

0xE1h

R

R

R

G

Reserved for initialization module

 

 

 

 

 

use (PEIM)

 

 

 

 

 

 

0xE3h

R

R

A

G

Reserved for initialization module

 

 

 

 

 

use (PEIM)

 

Driver Execution Environment (DXE) Core

 

 

 

 

 

 

0xE4h

R

A

R

OFF

Entered EFI driver execution phase

 

 

 

 

 

(DXE)

 

 

 

 

 

 

0xE5h

R

A

R

G

Started dispatching drivers

 

 

 

 

 

 

0xE6h

R

A

A

OFF

Started connecting drivers

 

 

 

 

 

 

DXE Drivers

 

 

 

 

 

 

 

 

 

 

 

0xE7h

R

A

A

G

Waiting for user input

 

 

 

 

 

 

0xE8h

A

R

R

OFF

Checking password

 

 

 

 

 

 

0xE9h

A

R

R

G

Entering BIOS setup

 

 

 

 

 

 

0xEAh

A

R

A

OFF

Flash update

 

 

 

 

 

 

0xEEh

A

A

A

OFF

Calling Int 19. One beep unless

 

 

 

 

 

silent boot is enabled.

 

 

 

 

 

 

0xEFh

A

A

A

G

Unrecoverable boot failure / S3

 

 

 

 

 

resume failure

 

Runtime Phase/EFI Operating System Boot

 

 

 

 

 

 

0xF4h

R

A

R

R

Entering Sleep state

 

 

 

 

 

 

0xF5h

R

A

R

A

Exiting Sleep state

 

 

 

 

 

 

Page 163
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Acer R720 Series manual Diagnostic LED Decoder, Checkpoint, Description, Pre-EFI Initialization PEI Core, DXE Drivers