5-20
S
UPER
S
ERVER 7043L-8R Manual
5-11 Jumper Settings
Explanation of
Jumpers
T o m o d i f y t h e o p e r a t i o n o f t h e
motherboard, 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 identified with a
s q u a r e s o l d e r p a d o n t h e p r i n t e d
circuit board. See the motherboard
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.
Connector
Pins
Jumper
Cap
Setting
Pin 1-2 short
3 2 1
3 2 1
CMOS Clear
JBT1 is used to clear CMOS. Instead of pins, this jumper consists of con-
tact pads to prevent accidentally clearing the contents of CMOS.
To clear CMOS, 1) First unplug the power cord(s) 2) With the power discon-
nected, short the CMOS pads with a metal object such as a small screw-
driver 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.
Main Power Override
Instead of using the chassis power
on switch, you may close jumper JP7
to apply power to the system. This
effectively disables the power button
from turning off the system. See the
table on the right for jumper settings.
The default setting is Open (normal).
Jumper
Position
Open
Closed
Definition
Normal
Force Power On
Power On
Jumper Settings
(JP1)
Summary of Contents for SuperServer 7043L-8R
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Page 5: ...v Preface Notes...
Page 10: ...Notes x SUPERSERVER 7043L 8R Manual...
Page 24: ...2 8 SUPERSERVER 7043L 8R Manual Figure 2 6 Accessing the Inside of the 7043L 8R...
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