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5-18
S
UPERSERVER 6014L-T User's Manual
5-10 Jumper Settings
Explanation of
Jumpers
To modify the operation of the
serverboard, jumpers can be used
to choose between optional settings.
Jumpers create shorts between two
pins to change the function of the
connector. Pin 1 is identifi ed with a
square solder pad on the printed circuit
board. See the serverboard layout
pages for jumper locations.
Note: On two pin jumpers, "Closed"
means the jumper is on and "Open"
means the jumper is off the pins.
CMOS Clear
JBT1 is used to clear CMOS (which will also clear any passwords). Instead of pins,
this jumper consists of contact pads to prevent accidentally clearing the contents
of CMOS.
To clear CMOS,
1) First power down the system and unplug the power cord(s)
2) With the power disconnected, short the CMOS pads with a metal object such as
a small screwdriver
3) Remove the screwdriver (or shorting device)
4) Reconnect the power cord(s) and power on the system.
Note: Do not use the PW_ON connector to clear CMOS.
Connector
Pins
Jumper
Setting
321
321
JLAN1/2 Enable/Disable
Change the setting of jumper JPL1
and JPL2 to enable or disable the
JLAN1 and JLAN2 ports, respec-
tively . See the table on the right for
jumper settings. The default setting
is enabled
JLAN Enable/Disable
Jumper Settings (JPL1, JPL2)
Jumper Setting Defi nition
Pins 1-2 Enabled
Pins 2-3 Disabled