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Walnut, CA 91789
tel: 909.598.7388, fax: 909.598.0218
© Copyright 2009 Acnodes, Inc.
All rights reserved. Product description and product specifications
are subject to change without notice. For latest product information,
please visit Acnodes’ web site at www.acnodes.com.
RMC 7132
1U Rackmount System
5-10 Jumper Settings
Explanation of Jumpers
To modify the operation of the mother- board, jumpers
can be used to choose between optional settings. Jump-
ers create shorts between two pins to change the func-
tion of the connector. Pin 1 is identified with a square
solder pad on the printed circuit board. See the
motherboard layout pages for jumper locations.
Note: On a two-pin jumper, "Closed" means the jumper
is on both pins and "Open" means the jumper is either
on only one pin or completely removed.
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.
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.