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A+ SERVER 2022TG-HTRF/HIBQRF User's Manual
5-10 Jumper Settings
Explanation of Jumpers
To modify the operation of the motherboard,
jumpers can be used to choose between
optional
settings.
shorts between two pins to change the
function of
the
identifi ed with a square solder pad on
the
printed
diagram
at
jumping pins 1 and 2. Refer to the
motherboard
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.
Infi niBand Enable/Disable (2022TG-
HIBQRF only)
The JIB1 jumper allows you to enable or
disable the Infi niBand connector. The default
position is on pins 1 and 2 to enable the
Infi niBand connector. See the table on
the
right for jumper settings.
Jumpers
connector.
Pin
circuit board.
See
right
for
an example
layout
page
for
create
1
is
the
of
jumper
Infi niBand
Jumper Settings (JPG1)
Jumper Setting
Pins 1-2
Pins 2-3
5-16
3
2
Connector
Pins
Jumper
3
2
Setting
JBT1 contact pads
Connector
Enable/Disable
Defi nition
Enabled
Disabled
1
1
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