Appendix B: BIOS POST Checkpoint Codes

 

 

Checkpoint

Code Description

95h

Initializing the bus option ROMs from C800 next. See the last page of

 

this chapter for additional information.

96h

Initializing before passing control to the adaptor ROM at C800.

97h

Initialization before the C800 adaptor ROM gains control has com-

 

pleted. The adaptor ROM check is next.

98h

The adaptor ROM had control and has now returned control to BIOS

 

POST. Performing any required processing after the option ROM

 

returned control.

99h

Any initialization required after the option ROM test has completed.

 

Configuring the timer data area and printer base address next.

9Ah

Set the timer and printer base addresses. Setting the RS-232 base

 

address next.

9Bh

Returned after setting the RS-232 base address. Performing any

 

required initialization before the Coprocessor test next.

9Ch

Required initialization before the Coprocessor test is over. Initializing

 

the Coprocessor next.

9Dh

Coprocessor initialized. Performing any required initialization after

 

the Coprocessor test next.

9Eh

Initialization after the Coprocessor test is complete. Checking the

 

extended keyboard, keyboard ID, and Num Lock key next. Issuing the

 

keyboard ID command next.

A2h

Displaying any soft errors next.

A3h

The soft error display has completed. Setting the keyboard typematic

 

rate next.

A4h

The keyboard typematic rate is set. Programming the memory wait

 

states next.

A5h

Memory wait state programming is over. Clearing the screen and

 

enabling parity and the NMI next.

A7h

NMI and parity enabled. Performing any initialization required before

 

passing control to the adaptor ROM at E000 next.

A8h

Initialization before passing control to the adaptor ROM at E000h

 

completed. Passing control to the adaptor ROM at E000h next.

A9h

Returned from adaptor ROM at E000h control. Performing any

 

initialization required after the E000 option ROM had control next.

Aah

Initialization after E000 option ROM control has completed. Displaying

 

the system configuration next.

Abh

Uncompressing the DMI data and executing DMI POST initialization

 

next.

B0h

The system configuration is displayed.

B1h

Copying any code to specific areas.

00h

Code copying to specific areas is done. Passing control to INT 19h

 

boot loader next.

 

 

B-7

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American Megatrends X6DVA-EG, X6DVA-4G user manual 95h
Page 84 Page 86

X6DVA-EG, X6DVA-4G specifications

American Megatrends is renowned for its innovative server and motherboard solutions. The X6DVA-4G and X6DVA-EG motherboards are notable examples that cater to enterprise-level applications and high-performance computing environments. Both motherboards are designed to support the latest advancements in technology while providing robust features for reliable performance.

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