Intel S5000XAL BB5000XALR User Manual

Product codes
BB5000XALR
Page of 112
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 
Host processor cache initialization (including AP) 
0x12h 
OFF 
OFF
Starting application processor initialization 
0x13h OFF OFF
G  A SMM 
initialization 
Chipset 
0x21h 
OFF 
OFF
Initializing a chipset component 
Memory 
0x22h OFF 
OFF
OFF 
Reading 
configuration data from memory (SPD on DIMM) 
0x23h 
OFF 
OFF
Detecting presence of memory 
0x24h OFF G R 
OFF 
Programming 
timing 
parameters in the memory controller 
0x25h 
OFF 
Configuring memory parameters in the memory controller 
0x26h OFF G A 
OFF 
Optimizing 
memory controller settings 
0x27h 
OFF 
Initializing memory, such as ECC init 
0x28h G 
OFF
OFF 
Testing 
memory 
PCI Bus 
0x50h 
OFF 
OFF 
Enumerating PCI busses 
0x51h 
OFF 
OFF 
Allocating resources to PCI busses 
0x52h  OFF R G R 
Hot 
Plug 
PCI 
controller 
initialization 
0x53h  
OFF 
Reserved for PCI bus 
0x54h  
OFF 
OFF 
Reserved for PCI bus 
0x55h  
OFF 
OFF 
Reserved for PCI bus 
0x56h  
OFF 
Reserved for PCI bus 
0x57h 
OFF 
Reserved for PCI bus 
USB 
0x58h 
OFF 
Resetting USB bus 
0x59h 
OFF 
Reserved for USB devices 
ATA / ATAPI / SATA 
0x5Ah 
Resetting PATA / SATA bus and all devices 
0x5Bh 
Reserved for ATA 
SMBUS 
0x5Ch G A 
OFF 
Resetting 
SMBUS 
0x5Dh 
OFF 
Reserved for SMBUS 
Local Console 
0x70h 
OFF 
Resetting the video controller (VGA) 
0x71h 
OFF 
Disabling the video controller (VGA) 
0x72h 
OFF 
Enabling the video controller (VGA) 
Remote Console 
0x78h 
Resetting the console controller 
0x79h 
Disabling the console controller 
0x7Ah  G  R A R 
Enabling 
the 
console 
controller 
Keyboard (PS2 or USB) 
0x90h 
OFF
OFF 
Resetting the keyboard  
0x91h R 
OFF
OFF 
Disabling 
the 
keyboard