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
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
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
72 | Intel Server Board SE7500WV2 Product Guide |