Table 13. Post Codes (continued)

Diagnostic LED Decoder

Post

G=Green, R=Red, A=Amber

Code

MSB

 

 

LSB

 

 

 

2Bh

G

Off

A

G

 

 

 

 

 

2Dh

G

G

R

G

 

 

 

 

 

Description

Platform hook.

Initialize AMI display manager Module. Initialize support code for headless system if no video controller is detected.

2Dh

30h

30h

2Eh

37h

37h

37h

38h

34h

39h

3Ah

G

Off

Off

R

Off

Off

Off

G

Off

G

G

GR Off R Off R

RA

G A

GA

G A Off R

GR Off R Off A

G

R

R

Off

A

A

A

R

R

A

R

Scan flash for logos and Initialize logo data areas.

Detect PS/2 Mouse.

Hook after c000 ROM control.

Set up video parameters in BIOS data area.

Activate ADM: The display mode is set. Displaying the power-on message next.

Initialize language module. Display splash logo.

Display Sign on message, BIOS ID and processor information.

Detect USB Mouse: Initializing the bus input, and general devices next, if present.

Reset IDE Controllers.

Displaying bus initialization error messages.

Display Setup Message: The new cursor position has been read and saved. Displaying the Hit Setup message next.

40h

4Bh

57h

53h

54h

60h

65h

7Fh

Off

G

Off

Off

Off

Off

Off

G

R

R

A

R

A

R

A

A

Off Off

G G

GA

A A Off R

R Off

RG

A A

Ensure Timer Keyboard Interrupts are on.

Memory Test: The amount of memory above 8 MB has been found and verified. Checking for a soft reset and clearing the memory below 8 MB for the soft reset next. If this is a power-on situation, going to checkpoint 4Eh next.

Chipset hook after memory size.

Display processor cache size.

Disable parity and nmi reporting.

Test 8237 DMA Controller: The DMA page register test passed. Performing the DMA Controller 1 base register test next.

Init 8237 DMA Controller: The DMA controller 2 base register test passed. Programming DMA controllers 1 and 2 next.

Extended NMI enable: Extended NMI source enabling is in progress.

80h

81h

R

R

Off Off Off

Off Off G

Enable Mouse and Keyboard: The keyboard test has started. Clearing the output buffer and checking for stuck keys. Issuing the keyboard reset command next.

Keyboard Interface Test: A keyboard reset error or stuck key was found. Issuing the keyboard controller interface test command next.

continued

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Intel Server Board SE7500WV2 Product Guide

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Intel SE7500WV2 manual 2Bh Off 2Dh