Supero SUPER P3TDDE, User Manual

Page: 32 / 96

2-12
S
UPER P3TDDE User’s Manual
2-7 Jumper Settings
Explanation of
Jumpers
To modify the operation of the
motherboard, jumpers can be used
to choose between optional set-
tings. Jumpers create shorts be-
t w e e n t w o p i n s t o c h a n g e t h e
function of the connector. Pin 1 is
identified with a square solder pad
on the printed circuit board. On a
2-pin jumper, "Closed" means the
j u m p e r i s o v e r b o t h p i n s ( t o
" c l o s e " t h e c o n n e c t i o n ) a n d
"Open" means the jumper is either
off or on a single pin only. See
the motherboard layout pages for
jumper locations.
Connector
Pins
Jumper
Cap
Setting
Pin 1-2 short
Front Side Bus Speed
The FSB speed is set with JP4
and JP5. Table 2-20 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 the CPU Speed setting).
The CPU Speed setting will also
show you the actual CPU speed
for each FSB speed option se-
lected.
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
T able 2-20
Front Side Bus Sp eed Jumper Settings
(JP4, JP5)
JP4
1-2
2-3
Open
JP5
1-2
2-3
Open
FSB Speed
Auto
66 MHz
100 MHz
133 MHz
Note: T he Auto setting allows the CPU
to set the speed.
Open 2-3