Lenovo ThinkServer RD240 Installation And User Manual page 30

Figure 6. Locating other connectors on the system board
onboard SAS port 1-4)
The following table introduces the jumper switches on the system board.
Note: Before clearing the CMOS, turn off the server and disconnect the power
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Installation and User Guide
1 System fan 1 connector
2 System fan 2 connector
3 System fan 3 connector
4 System fan 4 connector
5 Front USB connector
6 J51 (SGPIO connector for
Table 7. Jumper settings
Jumper Position
JP1: Clear Pins 1-2
CMOS
Pins 2-3
JP7: Set Pins 1-2
Onboard
SAS
Pins 2-3
cord. Move the jumper from pins 1-2 to pins 2-3. Wait more than five
minutes and then move the jumper back to the normal position (pins 1-2) to
clear CMOS.
7 J35 (for front control cable)
8 JP1 (clear CMOS)
9 USB 2 connector
10 J21 (SGPIO connector for onboard SAS port 5-8)
11 JP7 (set onboard SAS)
12 J16 (COM2 connector)
The default position at which the jumper is placed on pins 1-2
during the normal operation of the system.
If the jumper is placed on pins 2-3, when the jumper is moved
back to the default positions and at the next startup, the
settings of CMOS will be cleared automatically.
The default position at which the jumper is placed on pins 1-2
during the normal operation of the system. The onboard SAS
controller is Enabled.
If the jumper is placed on pins 2-3, the onboard SAS controller
is Disabled.
Description