7 jumper settings, Cmos clear, Explanation of jumpers – SUPER MICRO Computer MICRO COMPUTER MOTHERBOARD P8SC8 User Manual
Page 38: Ctrl, Pci 33mhz, P8sc8/p8sci user's manual, Pin 1-2 short, Jpl1 jpl2, Bios jbt1 ich6r southbridge, Bat jbt1
2-18
P8SC8/P8SCi User's Manual
CMOS Clear
JBT1 is not actually a jumper but
consists of two contact pads. To
clear the contents of CMOS, short
these pads together by touching
them both with a metal conductor
s u c h a s t h e h e a d o f a s m a l l
screwdriver. JBT1 is located near
the SATA header on the P8SC8/
P8SCi.
N o t e : f o r A T X
power supplies, you must com-
pletely shut down the system and
remove the AC power cord before
clearing CMOS.
2-7
Jumper Settings
Explanation of
Jumpers
To modify the operation of the
m o t h e r b o a r d , j u m p e r s c a n b e
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 circuit board. See
the motherboard layout pages for
jumper locations.
N o t e : O n a t w o - p i n j u m p e r ,
"Closed" means the jumper is on
both pins and "Open" means the
jumper is either on only one pin or
completely removed.
Connector
Pins
Jumper
Cap
Setting
Pin 1-2 short
3 2 1
3 2 1
K
B
/M
S
U
S
B
0
/1
C
O
M
1
V
G
A
P
a
ra
lle
l P
o
rt
J
P
U
S
B
1
ATX-24 Pin PWR
J
P
F
JPWAKE1
4-Pin
PWR
CPU
CopperRiver
NorthBridge
GLAN1
GLAN2
DIMM 1A
DIMM 1B
DIMM 2A
DIMM 2B
GLAN
CTRL
GLAN
CTRL
JPL1
JPL2
PCI-X 133/100 MHz
PCI-Ex1
(LGA 775)
SCSI CTRL
7902 W
S
C
S
I C
hannel A
SCSI Channel B
J W D
USB6/7
BIOS
J L 1
ID
E
Floppy
J5
JBT1
JF1
J
L
E
D
Fan3
Fan2
JSLED
Fan1
Fan5
Fan4
ICH6R
SouthBridge
PXH-V
PCI 33MHz
Battery
PCI-Ex1
SATA3 SATA2 SATA1 SATA0
JWOR
JPA1
IP
M
I
C
O
M
2
USB2/3
Buzzer
WOL
JBT1
J9
J
S
L
E
D
LE1
E 7 2 2 1
CTRL
JPL1
JPL2
l B
BIOS
JBT1
ICH6R
SouthBridge
PCI 33MHz
Bat
JBT1
Clear
CMOS