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Apollo IV PCI Pentium ISA Motherboard User’s Guide
12
Step 2 Set Jumpers
Set all jumpers and install the CPU before placing the motherboard in the
chassis. Set jumpers by placing a shunt (shorting bridge) on the designated
pins of the jumper. A shunt and jumpers are shown below:
Shunt
3-pin Berg
2-pin Berg
In this manual, jumpers are shown in two -dimensions,
as if viewed from directly above, as shown below:
1
3
5
2
4
6
The placement of shunts is
indicated by a solid line
between pins, as shown
between Pins 1-2
to the right:
1
3
5
2
4
6
3-dimensional view of motherboard jumpers and a shunt.
PWR1 Power Supply Type PWR1 is a 3-pin berg that sets the power supply type:
PWR1 Setting Description
Short Pins 1-2 AT-type power supply is installed (factory setting).
Short Pins 2-3 Remote power supply is used.
CPW Clear Password CPW is a 2-pin berg that allows you to delete the system BIOS
password should you forget the password. CPW should be OPEN at all times
during normal operation. Should you forget the password: turn power off,
remove the computer cover, turn power on, place a shorting bridge (shunt) on
CPW for a few seconds, then turn power off again. Reboot the computer and
re-enter all system configuration information, because you have just erased all
of it.
Cont’d