5-16
SUPERSERVER 5018D-MHR7N4P User's Manual
5-8 Jumper Settings
Explanation of Jumpers
To modify the operation of the mother-
board, jumpers can be used to choose
between optional settings. Jumpers cre-
ate shorts between two pins to change
the function of the connector. Pin 1 is
printed circuit board. See the diagram at
right for an example of jumping pins 1 and
2. Refer to the motherboard layout page
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 and 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. Remove the onboard CMOS battery.
3. With the power disconnected, short the CMOS pads with a metal object such
as a small screwdriver.
4. Remove the screwdriver (or shorting device).
5. Replace the battery, 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
3 2 1
3 2 1
VGA Enable/Disable
JPG1 allows you to enable or disable the
VGA port. The default position is on pins
1 and 2 to enable VGA. See the table on
the right for jumper settings.
VGA Enable/Disable
Jumper Settings (JPG1)
Pins 1-2 Enabled (Default)
Pins 2-3 Disabled
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