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Jumpers
FSB Speed Auto Configuration Setting (JP3)
AV30 provides jumper JP3 to configure front side bus at 66MHz, 100MHz,
118MHz, and 133MHz. Inserting mini-jumper caps on JP3 pin 5-6, pin 7-8 to
identify automatically the FSB speed.
Set FSB hardware jumper
to Auto.
When FSB config. is
default (Auto)
, the user may adjust CPU Clock Assign-
ment by
1MHz step
FSB from Frequency/Voltage Control of BIOS Setup pro-
gram.
For experienced users, AV30 mainboard provides an alternative hardware
configuration function to adjust front side bus manually. Before you adjust
FSB frequency by jumper, you need to remove jumper caps from JP3 pin
5-6 and pin 7-8, and then insert jumper caps to the position which follow the
steps outlined below:
A1
Default
Manual
1
3
5
7
2
4
6
8
1
3
5
7
2
4
6
8
1
3
5
7
2
4
6
8
1
3
5
7
2
4
6
8
1
3
5
7
2
4
6
8
JP3
1 2
7 8
BSELO
BSEL1
FS1
FS0
Set FSB hardware jumper to 66MHz
Set FSB hardware jumper to 100MHz
Set FSB hardware jumper to 118MHz
Set FSB hardware jumper to 133MHz
