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Appendix A: AMIBIOS POST Checkpoint Codes

Checkpoint Code

Description

 

 

57h

The A20 address line, parity, and the NMI are

 

disabled. Adjusting the memory size depending on

 

relocation and shadowing next.

 

 

58h

The memory size was adjusted for relocation and

 

shadowing. Clearing the Hit <DEL> message next.

 

 

59h

The Hit <DEL> message is cleared. The <WAIT...>

 

message is displayed. Starting the DMA and

 

interrupt controller test next.

 

 

60h

The DMA page register test passed. Performing the

 

DMA Controller 1 base register test next.

 

 

62h

The DMA controller 1 base register test passed.

 

Performing the DMA controller 2 base register test

 

next.

 

 

65h

The DMA controller 2 base register test passed.

 

Programming DMA controllers 1 and 2 next.

 

 

66h

Completed programming DMA controllers 1 and 2.

 

Initializing the 8259 interrupt controller next.

 

 

67h

Completed 8259 interrupt controller initialization.

 

 

7Fh

Extended NMI source enabling is in progress.

 

 

80h

The keyboard test has started. Clearing the output

 

buffer and checking for stuck keys. Issuing the

 

keyboard reset command next.

 

 

81h

A keyboard reset error or stuck key was found.

 

Issuing the keyboard controller interface test

 

command next.

 

 

82h

The keyboard controller interface test completed.

 

Writing the command byte and initializing the

 

circular buffer next.

 

 

83h

The command byte was written and global data

 

initialization has completed. Checking for a locked

 

key next.

 

 

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Acer G300 Series manual Appendix a Amibios Post Checkpoint Codes