
6
Technical Reference Booklet
Jumper Settings
This chapter explains how to configure the motherboard’s hardware. Before using your
computer, make sure all jumpers and DRAM modules are set correctly. Refer to this
chapter whenever in doubt.
CPU Speed Selection
In this motherboard, jumperless feature is implemented such that no jumper is required to
be set for different type of CPU installed.
Notice:
1.
Be sure to save the CMOS setting when exit the CMOS.
2.
Celeron PGA370 CPU is frequency multiplier locked, no CPU speed
change will be seen even if the frequency multiplier setting in CMOS
setup is changed.
JP52, JP55 - Host Bus Speed Select
JP52
JP55
Host Bus Speed Select
Open
Open
133MHz
Open
1-2
100MHz
Close*
1-2*
Auto*
JP4 - CMOS Clear
JP4
Selection
1-2*
Normal*
2-3
CMOS Clear
JP3 - IOQ Depth Setting
JP3
Selection
Open*
Depth of 4*
Close
Depth of 1
JP41 - AMR Setting
JP41
Selection
1-2
Primary
2-3*
Secondary*
JP8
JP55
1
JP3
JP4
1
1
1
1
1
1
JP7
1
1
1
JP52
1
Close Open
* = Default setting.
JP41
2
1