Post Code Checkpoints; Table 44.: Post Progress Code Led Example; Table 45. Post Code Checkpoints - Intel S3210SHLX - Entry Server Board Motherboard Specification

Error Reporting and Handling
•
Red bits = 1010b = Ah
•
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
USB Port
USB Port
Back edge of baseboard
Figure 19. Example of Diagnostic LEDs on Server Board
5.2.2

POST Code Checkpoints

Diagnostic LED Decoder
G=Green, R=Red, A=Amber
Checkpoint
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
80

Table 44.: POST Progress Code LED Example

8h
Green Red
1 0
Green
Diagnostic LEDs
MSB

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
G R OFF Programming timing parameters in the memory controller
Intel® Server Boards S3200SH/S3210SH TPS
4h 2h
Green Red
1 1
Red
LSB
Description
1h
Green Red
0 0 0
Off
LSB
Revision 1.3
Green