SUPER MICRO Computer 5010E - Manual (Page 58)

5-20
S UPER S ERVER 5010H/5010E Manual
5-9 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. See
the motherboard layout pages for
jumper locations.
Note: Closed refers to the jumper being set
over both pins on a two-pin jumper header.
Open refers to the jumper being set over a
single pin of a two-pin jumper.
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
3 2 1
3 2 1
Front Side Bus Speed
The FSB speed is set with JP11
and JP12. The table on the right
displays the settings for these two
jumpers. The CPU speed can also
be 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)
and then, 2) set the correct CPU
speed with the BIOS setting men-
tioned above.
Front Side Bus Speed Jumper Settings
(JP11, JP12)
JP11
1-2
2-3
1-2
2-3
JP12
1-2
2-3
2-3
1-2
FSB Speed
Auto
66 MHz
100 MHz
133 MHz
* Note: The Auto setting allows the CPU
to set the speed.