Intel
®
 Workstation Board S5000XVN 9
Callout LED Function
A. Bit 3 LED POST LED. The sequence of lit POST LEDs is used 
to identify specific errors that might occur during the 
boot process. See the appendix of the Technical 
Product Specification for a description of how to read 
these LEDs. 
B. LSB LED POST LED. The sequence of lit POST LEDs is used 
to identify specific errors that might occur during the 
boot process. See the appendix of the Technical 
Product Specification for a description of how to read 
these LEDs. 
C. Bit 2 LED POST LED. The sequence of lit POST LEDs is used 
to identify specific errors that might occur during the 
boot process. See the appendix of the Technical 
Product Specification for a description of how to read 
these LEDs. 
D. MSB LED POST LED. The sequence of lit POST LEDs is used 
to identify specific errors that might occur during the 
boot process. See the appendix of the Technical 
Product Specification for a description of how to read 
these LEDs. 
E. Status LED The status LED indicates whether a system is 
operating correctly, has experienced a minor fault, or 
a major system error. For details about this LED, see 
the Technical Product Specification. 
F. ID LED This LED can be turned on and off either by pressing 
a chassis button or by using system management 
software. This LED is useful when the system is 
grouped with several systems, such as in a rack, and 
you need to easily find the system to perform 
maintenance on it.
G. System fan 6 fault LED This LED indicates a fault has occurred with system 
fan 6. See your server chassis documentation for 
instructions to replace the fan.
H. System fan 5 fault LED This LED indicates a fault has occurred with system 
fan 5. See your server chassis documentation for 
instructions to replace the fan.
I. DIMM A1 fault LED This LED indicates a fault has occurred with the 
FBDIMM installed in socket DIMM_A1. Replace the 
faulty FBDIMM.
J. DIMM A2 fault LED This LED indicates a fault has occurred with the 
FBDIMM installed in socket DIMM_A2. Replace the 
faulty FBDIMM.
K. DIMM B1 fault LED This LED indicates a fault has occurred with the 
FBDIMM installed in socket DIMM_B1. Replace the 
faulty FBDIMM.