Post Code Checkpoints; Figure 34. Example Of Diagnostic Leds On Server Board; Table 44. Post Progress Code Led Example; Table 45. Post Code Checkpoints - Intel S3200SHV - Entry Server Board Motherboard Specification

Intel® Server Boards S3200SH/S3210SH TPS
Green bits = 1100b = Ch
Since the red bits correspond to the upper nibble and the green bits correspond to the lower
nibble, the two are concatenated to be ACh.
LEDs Red
ACh 1
Result Amber
MSB

Figure 34. Example of Diagnostic LEDs on Server Board

5.2.2

POST Code Checkpoints

Diagnostic LED Decoder
Checkpoint
G=Green, R=Red, A=Amber
MSB
Host Processor
0x10h Off off
0x11h Off Off
0x12h Off Off
0x13h Off Off
Chipset
0x21h OFF OFF
Memory
0x22h OFF OFF
0x23h OFF OFF
0x24h OFF G
0x25h OFF G
Revision 1.8

Table 44. POST Progress Code LED Example

8h 4h
Green Red
1 0
Green

Table 45. POST Code Checkpoints

LSB
off R Power-on initialization of the host processor (bootstrap processor)
Off A Host processor cache initialization (including AP)
G R Starting application processor initialization
G A SMM initialization
R G Initializing a chipset component
A OFF Reading configuration data from memory (SPD on DIMM)
A G Detecting presence of memory
R OFF Programming timing parameters in the memory controller
R G Configuring memory parameters in the memory controller
Intel Order Number: E14960-009
2h
Green Red
1 1 0
Red
Description
Error Reporting and Handling
1h
Green Red Green
0 0
Off
LSB
81