Supero SUPER 370SSA, User Manual

Page: 39 / 92

Chapter 2: Installation
2-11
Installation
2-7 Jumper Settings
Explanation of
Jumpers
To modify the operation of the moth-
erboard, 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
square solder pad on the printed cir-
cuit board. See the motherboard
layout pages for jumper locations.
C o n n e c t o r
P i n s
J u m p e r
C a p
Setting
Pin 1-2 short
Front Side Bus Speed
The FSB speed is set with JP11
and JP12. Table 2-16 displays the
settings for these two jumpers.
T h e C P U s p e e d c a n a l s o b e
changed by software control in
BIOS (see CPU Speed setting).
The CPU Speed setting will show
you the actual CPU speed for each
FSB speed option selected.
N o t e : I f t h e s y s t e m d o e s n o t
reboot after changing the CPU
speed, 1) clear CMOS and reboot
(as described on the next page)
a n d t h e n s e t t h e c o r r e c t C P U
speed with the BIOS setting men-
tioned above.
3 2 1
3 2 1
Table 2-16
Front Side Bus Speed Jumper Settings
(JP11, JP12)
JP11
1-2
2-3
Open
Open
JP12
1-2
2-3
2-3
Open
FSB Speed
Auto
66 MHz
100 MHz
133 MHz
* Note: The Auto setting allows the CPU
to set the speed.