
ASUS P4B motherboard user guide
2-17
2.7
Switches and jumpers
The motherboard frequency is adjusted through the DIP switches. The
white block represents the switch position. The illustration below shows all
the switches in the OFF position.
Figure 2-21
DIP Switches
The JEN jumper is set in conjunction with the DIP switches. In
JumperFree mode, set all the DIP switches to OFF.
1. JumperFree™ mode (JEN)
This jumper allows you to enable or disable the JumperFree™ mode.
The JumperFree mode allows you to change CPU settings through the
BIOS setup instead of using the DIP switches.
Figure 2-22
JumperFree Mode Setting
P4B
®
P4B DIP Switches
ON
123456789
1
0
SWITCH
1. Frequency Multiple
2. Frequency Multiple
3. Frequency Multiple
4. Frequency Multiple
5. Frequency Selection
6. Frequency Selection
7. Frequency Selection
8. Frequency Selection
9. Frequency Selection
10. Reserved
ON
OFF
P4B
®
P4B JumperFree™ Mode Setting
SWITCH
Jumper Mode
1
2
ON
123456789
1
0
JEN
Jumper Free
(Default)
2
3
OFF
The JEN jumper must be set to pins 1-2 (jumper mode) if you wish to
use the DIP switches. Otherwise, setting the switches does not
produce any effect.
Summary of Contents for P4B
Page 1: ...Motherboard P4B User Guide ...
Page 12: ...ASUS P4B motherboard ...
Page 20: ...1 8 Chapter 1 Product introduction ...
Page 22: ...ASUS P4B motherboard ...
Page 58: ...ASUS P4B motherboard ...
Page 64: ...ASUS P4B motherboard ...
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Page 116: ...ASUS P4B motherboard ...
Page 123: ...Index This part contains an alphabetical list of the topics found in this document ...
Page 124: ...ASUS P4B motherboard ...
Page 128: ...I 4 Index ...