Table 11. Diagnostic Led Post Code Decoder; Figure 17. Diagnostic Led Placement Diagram - Intel Server Board S5000PAL User Manual

USB Port
Back edge of server board
Checkpoint
Host Processor
0x10h
0x11h
0x12h
0x13h
Chipset
0x21h
Memory
0x22h
0x23h
0x24h
0x25h
0x26h
0x27h
0x28h
54
USB Port

Figure 17. Diagnostic LED Placement Diagram

Table 11. Diagnostic LED POST Code Decoder

Diagnostic LED Decoder
G=Green, R=Red, A=Amber
MSB
OFF OFF OFF
OFF OFF OFF
OFF OFF G
OFF OFF G
OFF OFF R
OFF OFF A
OFF OFF A
OFF G R
OFF G R
OFF G A
OFF G A
G OFF R
Diagnostic LEDs
MSB LSB
LSB
R Power-on initialization of the host processor
(bootstrap processor)
A Host processor cache initialization (including AP)
R Starting application processor initialization
A SMM initialization
G Initializing a chipset component
OFF Reading configuration data from memory (SPD
on DIMM)
G Detecting presence of memory
OFF Programming timing parameters in the memory
controller
G Configuring memory parameters in the memory
controller
OFF Optimizing memory controller settings
G Initializing memory, such as ECC init
OFF Testing memory
®
Intel Server Board S5000PAL User's Guide
Description