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Supermicro C7B250-CB-ML Motherboard User's Manual
JCMOS & JBT1
Clear CMOS and JBT1 are used to clear the saved system setup con-
figuration stored in the CMOS chip. To clear the contents of the CMOS
usng JBT1, short the two pads of JBT1 with metallic conductor such as a
flathead screwdriver. JCMOS works the same way but is a jumper. Close
pins 1-2 for nomral operation and pins 2-3 to clear the CMOS. This will
erase all user settings and revert everything to their factory-set defaults.
PCI-E Slot SMB Enable (I2C1/I2C2)
Use Jumpers I2C1/I2C2 to enable PCI-E
SMB (System Management Bus) support
to improve system management for the
PCI slots. Refer to the table on the right
for jumper settings.
JPME2:
1-2:NORMAL
2-3:ME MANUFACTURING MODE
JL1:
CHASSIS
INTRUSION
A
JBT1
JCMOS
B
LED1
I-SATA4
I-SATA2
I-SATA5
I-SATA3
HD AUDIO
MH12
2280
MH11
2260
MH10
2242
BIOS LICENSE
B1
PCIE M.2
CONNECTOR 1
JSTBY1
JSTBY1:
5V STBY POWER
I-SATA0
I-SATA1
Jumper Setting
Short
Open (Default)
DVI
USB 4/5
(3.0)
LAN
USB 6/7(3.0)
JI2C1/JI2C2
ON :ENABLE
OFF:DISABLE
D
C
DIMMA1
DIMMA2
DIMMB1
DIMMB2
SYS_FAN1
2-28
PCI Slot_SMB Enable
Jumper Settings
Definition
Enabled
Disabled
A. JBT1
B. JCMOS
C. JI2C1
D. JI2C2
HDMI/DP
KB/MOUSE
USB 0/1
JVR1
JPUSB1:USB0/1 WAKE UP
1-2 ENABLE
2-3 DISABLE
JPW1
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