Appendix C: POST Code Diagnostic LEDs

Intel® Server Board S5000PAL / S5000XAL TPS

 

 

 

 

 

Table 46. Diagnostic LED POST Code Decoder

 

 

 

 

 

 

 

 

 

 

 

 

Checkpoint

Diagnostic LED Decoder

 

Description

 

 

G=Green, R=Red, A=Amber

 

 

 

 

 

 

MSB

 

 

LSB

 

 

 

 

 

Host Processor

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0x10h

OFF

OFF

OFF

R

Power-on initialization of the host processor (bootstrap processor)

 

 

 

 

 

 

 

 

 

 

 

0x11h

OFF

OFF

OFF

A

Host processor cache initialization (including AP)

 

 

 

 

 

 

 

 

 

 

 

0x12h

OFF

OFF

G

R

Starting application processor initialization

 

 

 

 

 

 

 

 

 

 

 

0x13h

OFF

OFF

G

A

SMM initialization

 

 

 

 

 

 

 

 

 

 

 

 

Chipset

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0x21h

OFF

OFF

R

G

Initializing a chipset component

 

 

 

 

 

 

 

 

 

 

 

 

Memory

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0x22h

OFF

OFF

A

OFF

Reading configuration data from memory (SPD on DIMM)

 

 

 

 

 

 

 

 

 

 

 

0x23h

OFF

OFF

A

G

Detecting presence of memory

 

 

 

 

 

 

 

 

 

 

 

0x24h

OFF

G

R

OFF

Programming timing parameters in the memory controller

 

 

 

 

 

 

 

 

 

 

 

0x25h

OFF

G

R

G

Configuring memory parameters in the memory controller

 

 

 

 

 

 

 

 

 

 

 

0x26h

OFF

G

A

OFF

Optimizing memory controller settings

 

 

 

 

 

 

 

 

 

 

 

0x27h

OFF

G

A

G

Initializing memory, such as ECC init

 

 

 

 

 

 

 

 

 

 

 

0x28h

G

OFF

R

OFF

Testing memory

 

 

 

 

 

 

 

 

 

 

 

 

PCI Bus

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0x50h

OFF

R

OFF

R

Enumerating PCI busses

 

 

 

 

 

 

 

 

 

 

 

0x51h

OFF

R

OFF

A

Allocating resources to PCI busses

 

 

 

 

 

 

 

 

 

 

 

0x52h

OFF

R

G

R

Hot Plug PCI controller initialization

 

 

 

 

 

 

 

 

 

 

 

0x53h

OFF

R

G

A

Reserved for PCI bus

 

 

 

 

 

 

 

 

 

 

 

0x54h

OFF

A

OFF

R

Reserved for PCI bus

 

 

 

 

 

 

 

 

 

 

 

0x55h

OFF

A

OFF

A

Reserved for PCI bus

 

 

 

 

 

 

 

 

 

 

 

0x56h

OFF

A

G

R

Reserved for PCI bus

 

 

 

 

 

 

 

 

 

 

 

0x57h

OFF

A

G

A

Reserved for PCI bus

 

 

 

 

 

 

 

 

 

 

 

 

USB

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0x58h

G

R

OFF

R

Resetting USB bus

 

 

 

 

 

 

 

 

 

 

 

0x59h

G

R

OFF

A

Reserved for USB devices

 

 

 

 

 

 

 

 

 

 

 

 

ATA / ATAPI

/ SATA

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0x5Ah

G

R

G

R

Resetting PATA / SATA bus and all devices

 

 

 

 

 

 

 

 

 

 

 

0x5Bh

G

R

G

A

Reserved for ATA

 

 

 

 

 

 

 

 

 

 

 

 

SMBUS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0x5Ch

G

A

OFF

R

Resetting SMBUS

 

 

 

 

 

 

 

 

 

 

 

0x5Dh

G

A

OFF

A

Reserved for SMBUS

 

 

 

 

 

 

 

 

 

 

 

 

Local Console

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0x70h

OFF

R

R

R

Resetting the video controller (VGA)

 

 

 

 

 

 

 

 

 

 

 

0x71h

OFF

R

R

A

Disabling the video controller (VGA)

 

 

 

 

 

 

 

 

 

 

 

0x72h

OFF

R

A

R

Enabling the video controller (VGA)

 

 

 

 

 

 

 

 

 

 

 

 

Remote Console

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0x78h

G

R

R

R

Resetting the console controller

 

 

 

 

 

 

 

 

 

 

 

0x79h

G

R

R

A

Disabling the console controller

 

 

 

 

 

 

 

 

 

 

 

0x7Ah

G

R

A

R

Enabling the console controller

 

 

 

 

 

 

 

 

 

 

 

 

Keyboard (PS2 or USB)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0x90h

R

OFF

OFF

R

Resetting the keyboard

 

 

 

 

 

 

 

 

 

 

 

0x91h

R

OFF

OFF

A

Disabling the keyboard

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

102Revision 1.4

Intel order number: D31979-007

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Intel S5000XAL manual 102Revision Intel order number D31979-007