Post Code Checkpoints; Figure 26. Location Of Diagnostic Leds On Server Board; Table 49. Post Code Checkpoints - Intel 5000 Series Datasheet

Error Reporting and Handling
A. Status LED
B. ID LED
C. MSB LED (POST LED)

Figure 26. Location of Diagnostic LEDs on Server Board

Note: See the server or workstation Technical Product Specification that applies to your product
for more detailed information on the location of the back panel diagnostic LEDs.
5.3.2

POST Code Checkpoints

Diagnostic LED Decoder
Checkpoint
G=Green, R=Red, A=Amber
MSB Bit 1
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
0x26h Off G
0x27h Off G
0x28h G Off
PCI Bus
0x50h Off R
0x51h Off R
0x52h Off R
146
Intel® 5000 Series Chipsets Server Board Family Datasheet

Table 49. POST Code Checkpoints

Bit 2 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 FBDIMM)
A G Detecting presence of memory
R Off Programming timing parameters in the memory controller
R G Configuring memory parameters in the memory controller
A Off Optimizing memory controller settings
A G Initializing memory, such as ECC init
R Off Testing memory
Off R Enumerating PCI busses
Off A Allocating resources to PCI busses
G R Hot Plug PCI controller initialization
Intel order number D38960-004
D. Bit 1 LED (POST LED)
E. Bit 2 LED (POST LED)
F. LSB LED (POST LED)
Description
Revision 1.1