Table 46. Diagnostic Led Post Code Decoder - Intel S5000XAL Technical Product Specification

Appendix C: POST Code Diagnostic LEDs
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 G
0x25h OFF G
0x26h OFF G
0x27h OFF G
0x28h G OFF
PCI Bus
0x50h OFF R
0x51h OFF R
0x52h OFF R
0x53h OFF R
0x54h OFF A
0x55h OFF A
0x56h OFF A
0x57h OFF A
USB
0x58h G R
0x59h G R
ATA / ATAPI / SATA
0x5Ah G R
0x5Bh G R
SMBUS
0x5Ch G A
0x5Dh G A
Local Console
0x70h OFF R
0x71h OFF R
0x72h OFF R
Remote Console
0x78h G R
0x79h G R
0x7Ah G R
Keyboard (PS2 or USB)
0x90h R OFF
0x91h R OFF
102

Table 46. Diagnostic LED POST Code Decoder

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
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
G A Reserved for PCI bus
OFF R Reserved for PCI bus
OFF A Reserved for PCI bus
G R Reserved for PCI bus
G A Reserved for PCI bus
OFF R Resetting USB bus
OFF A Reserved for USB devices
G R Resetting PATA / SATA bus and all devices
G A Reserved for ATA
OFF R Resetting SMBUS
OFF A Reserved for SMBUS
R R Resetting the video controller (VGA)
R A Disabling the video controller (VGA)
A R Enabling the video controller (VGA)
R R Resetting the console controller
R A Disabling the console controller
A R Enabling the console controller
OFF R Resetting the keyboard
OFF A Disabling the keyboard
Revision 1.4
Intel order number: D31979-007
®
Intel Server Board S5000PAL / S5000XAL TPS
Description