1  About Your System ...................................................................... 12 
Accessing System Features During Startup ................................................. 12 
Front-Panel Features and Indicators .............................................................. 13 
Hard-Drive Indicator Patterns ......................................................................... 18 
Service Tag ........................................................................................................ 21 
Back Panel Features and Indicators .............................................................. 24 
System-Board Assembly Configurations ....................................................... 27 
LAN Indicator Codes ......................................................................................... 29 
Power and System Board Indicator Codes ................................................... 31 
Power Supply Indicator Codes ....................................................................... 32 
1400W ......................................................................................................... 32 
1200W ......................................................................................................... 33 
BMC Heart Beat LED ......................................................................................... 34 
Post Error Code .................................................................................................. 35 
Collecting System Event Log (SEL) for Investigation ........................... 35 
System Event Log............................................................................................... 39 
Processor Error ......................................................................................... 39 
Memory ECC .............................................................................................. 40 
PCI-E Error ................................................................................................. 41 
IOH Core Error ........................................................................................... 42 
SB Error ...................................................................................................... 43 
POST Start Event ....................................................................................... 44