Dell PowerEdge C6145 - Manual (Page 240)

240 | Jumpers and Connectors
NOTE: Pin 9 and pin 10 of FCB firmware recovery and PS-ON connector are used
for firmware recovery, and pin 1-8 are used for debug when pin 9 and pin 10 are
shorted by jumper.
Power Distribution Board Connectors
Figure 5-14. Power Distribution Board Connectors
1 hard-drive backplane power
connector 2 PMbus connector
3 main power connector 1 4 main power connector 2
5 system fan board power connector 6 bridge card connector