Chapter 7: Troubleshooting

Progress Code

Definition

 

 

0×5B

Reserved for ATA

 

 

SMBUS

 

 

 

0×5C

Resetting SMBUS

 

 

0×5D

Reserved for SMBUS

 

 

Local Console

 

 

 

0×70

Resetting the video controller (VGA)

 

 

0×71

Disabling the video controller (VGA)

 

 

0×72

Enabling the video controller (VGA)

 

 

Remote Console

 

 

 

0×78

Resetting the console controller

 

 

0×79

Disabling the console controller

 

 

0×7A

Enabling the console controller

 

Keyboard (PS2* or USB)

 

 

0×90

Resetting the keyboard

 

 

0×91

Disabling the keyboard

 

 

0×92

Detecting the presence of the keyboard

 

 

0×93

Enabling the keyboard

 

 

0×94

Clearing keyboard input buffer

 

 

0×95

Instructing keyboard controller to run Self Test (PS2 only)

 

 

Mouse (USB)

 

 

 

0×98

Resetting the mouse

 

 

0×99

Detecting the mouse

 

 

0×9A

Detecting the presence of mouse

 

 

0×9B

Enabling the mouse

 

 

Fixed Media

 

 

 

0×B0

Resetting fixed media device

 

 

0×B1

Disabling fixed media device

 

 

0×B2

Detecting presence of a fixed media device (like IDE hard drive)

 

 

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