Intel
®
Server Board S5500BC User’s Guide 53
Memory
0x22h X X O X X X O X Reading configuration
data from memory (SPD
on FBDIMM)
0x23h X X O X X X O O Detecting presence of
memory
0x24h X X O X X O X X Programming timing
parameters in the memory
controller
0x25h X X O X X O X O Configuring memory
parameters in the memory
controller
0x26h X X O X X O O X Optimizing memory
controller settings
0x27h X XOX X OOOInitializing memory, such
as ECC init
0x28h X XOX OXXXTesting memory
Table 8. Diagnostic LED POST Code Decoder