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Figure 6. Locating other connectors on the system board
1 J47 (system fan 1 connector) 7 J35 (for front control cable)
2 J48 (system fan 2 connector) 8 JP1 (Clear CMOS jumper)
3 J50 (system fan 3 connector) 9 USB 2 connector
4 J56 (system fan 4 connector) 10 J45 connector (for the SGPIO connector of the 4–port SATA cable)
5 J49 (system fan 5 connector) 11 JP8 (COM2 connector)
6 J19 (front USB connector)
The following table introduces the jumper switches on the system board.
Table 9. Jumper settings
Jumper Position Description
Pins 1-2
The default position at which the jumper is placed on pins 1-2 during the normal
operation of the system.
JP1: Clear
CMOS
Pins 2-3
If the jumper is placed on pins 2-3, when the jumper is moved back to the default
position, the settings of CMOS will be cleared automatically at the next startup.
Note: Before clearing the CMOS, turn off the server and disconnect the power cord. Move the jumper from
pins 1-2 to pins 2-3. Wait more than ve minutes and then move the jumper back to the normal position
(pins 1-2) to clear CMOS.
Chapter 4. Locating parts, controls, LEDs, and connectors 15