145

 

Diagnostic LED Decoder

 

Checkpoint

G=Green, R=Red, A=Amber

Description

code

 

 

 

 

 

 

MSB

 

 

LSB

 

 

 

 

 

 

 

0x9Bh

A

OFF

G

A

Enabling the mouse

 

 

 

 

 

 

Fixed Media

 

 

 

 

 

 

 

 

 

 

 

0xB0h

R

OFF

R

R

Resetting fixed media device

 

 

 

 

 

 

0xB1h

R

OFF

R

A

Disabling fixed media device

 

 

 

 

 

 

0xB2h

R

OFF

A

R

Detecting presence of a fixed

 

 

 

 

 

media device (IDE hard drive

 

 

 

 

 

detection, etc.)

 

 

 

 

 

 

0xB3h

R

OFF

A

A

Enabling / configuring a fixed

 

 

 

 

 

media device

 

 

 

 

 

Removable Media

 

 

 

 

 

 

 

 

 

 

0xB8h

A

OFF

R

R

Resetting removable media device

 

 

 

 

 

 

0xB9h

A

OFF

R

A

Disabling removable media device

 

 

 

 

 

 

0xBAh

A

OFF

A

R

Detecting presence of a removable

 

 

 

 

 

media device (IDE CDROM

 

 

 

 

 

detection, etc.)

 

 

 

 

 

 

0xBCh

A

G

R

R

Enabling/configuring a removable

 

 

 

 

 

media device

 

 

 

 

Boot Device Selection

 

 

 

 

 

 

 

 

 

0xD0

R

R

OFF

R

Trying boot device selection

 

 

 

 

 

 

0xD1

R

R

OFF

A

Trying boot device selection

 

 

 

 

 

 

0xD2

R

R

G

R

Trying boot device selection

 

 

 

 

 

 

0xD3

R

R

G

A

Trying boot device selection

 

 

 

 

 

 

0xD4

R

A

OFF

R

Trying boot device selection

 

 

 

 

 

 

0xD5

R

A

OFF

A

Trying boot device selection

 

 

 

 

 

 

0xD6

R

A

G

R

Trying boot device selection

 

 

 

 

 

 

0xD7

R

A

G

A

Trying boot device selection

 

 

 

 

 

 

0xD8

A

R

OFF

R

Trying boot device selection

 

 

 

 

 

 

0xD9

A

R

OFF

A

Trying boot device selection

 

 

 

 

 

 

0XDA

A

R

G

R

Trying boot device selection

 

 

 

 

 

 

Page 155
Image 155
Acer Altos R520 manual 145, Fixed Media, Removable Media, Boot Device Selection