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16 Memory slot (CPU2 DIMM CHE2) 33 System board battery
17 Memory slot (CPU2 DIMM CHE1) 34 System fan 3 connector
Locating diagnostic LEDs on the system board
There are several diagnostic LEDs on the system board to help you diagnose specic problems. Figure
8 “Diagnostic LEDs on the system board” on page 35 shows the locations of the diagnostic LEDs on
the system board.
Figure 8. Diagnostic LEDs on the system board
1 Hard disk drive LED
7 Microprocessor 2 heat sink fan fault LED
2 System fan 3 fault LED 8 System fan 1 fault LED
3 5 VSB LED 9 DIMM fault LEDs (4)
4 DIMM fault LEDs (4)
10 Post-code diagnostic LEDs
5 System fan 2 fault LED 11 Status LED
6 Microprocessor 1 heat sink fan fault LED
12 System ID LED
Jumper block settings
There are several jumper blocks on the system board that can be used to congure, recover, or
enable/disable specic features of the server system board. Figure 9 “Jumper blocks on the system board”
on page 36
shows the status of the jumper blocks on the system board.
Chapter 4. Locating parts, controls, LEDs, and connectors 35