Intel S5000XAL BB5000XALR User Manual
Product codes
BB5000XALR
Intel
®
Server Board S5000PAL / S5000XAL TPS
Appendix C: POST Code Diagnostic LEDs
Revision 1.9
Intel order number: D31979-010
101
Table 45. Diagnostic LED POST Code Decoder
Diagnostic LED Decoder
G=Green, R=Red, A=Amber
Checkpoint
MSB
LSB
Description
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