2-22
Supermicro C7B250-CB-ML Motherboard User’s Manual
JTPM1
RST
PWR
ON
X
OH/FF
X
NIC
1
PWR
LED
HDD
LED
JF1
USB 2/3
USB 8/9(3.0)
2-3:BIOS RECOVERY 1-2:NORMAL JBR1
WATCH DOG
1-2:RST
2-3:NMI
JWD1:
JBR1
JPME2
AUDIO FP
COM1
JD1:SPEAKER :1-4
JD1
JSD1
JWD1
JL1
JL1:
CHASSIS
INTRUSION
2-3:ME MANUFACTURING MODE
JPME2:
1-2:NORMAL
I-SATA5
I-SATA4
I-SATA3
I-SATA2
I-SATA1
I-SATA0
PCH SLOT1 PCI-E 3.0 X1
JBT1
PCH SLOT2 PCI-E 3.0 X4
J9702
JSTBY1
J9701
JI2C1 JI2C2
JSPDIF_OUT
5V STBY POWER
JSTBY1:
CPU SLOT3 PCI-E 3.0 X16
OFF:DISABLE
JI2C1/JI2C2
ON :ENABLE
HD AUDIO
PCIE M.2
CONNECTOR 1
SYS_FAN2
USB 6/7(3.0)
LAN
CPU
JPW1
DVI
JPUSB1:USB0/1 WAKE UP
HDMI/DP
DIMMB2
DIMMA2
DIMMB1
DIMMA1
2-3 DISABLE
1-2 ENABLE
CPU_FAN1
JVR1
JPUSB1
JPW2
KB/MOUSE
LED1
REV: 1.00
C7B250-CB-ML
DESIGNED IN USA
+
MAC CODE
BAR CODE
BIOS LICENSE
C
A
+
USB 4/5
(3.0)
USB 0/1
B1
2280
2260
2242
SYS_FAN1
JCMOS
MH10
MH11
MH12
Fan Header
Pin Definitions
Pin# Definition
1
Ground (Black)
2
2.5A/+12V (Red)
3
Tachometer
4
PWM_Control
Fan Headers
Your motherboard has three fan headers
(SYS_FAN 1~2, CPU_FAN1). These fans
are 4-pin fan headers. Although pins 1-3
of the fan headers (SYS_FAN 1~2) are
backward compatible with the traditional
3-pin fans, we recommend the use 4-pin
fans to take advantage of the fan speed
control. This allows the fan speeds to
be automatically adjusted based on the
motherboard temperature. Refer to the
table on the right for pin definitions.
A. CPU Fan Header
B. System Fan Header 1
C. System Fan Header 2
D. Chassis Intrusion
Chassis Intrusion
A Chassis Intrusion header is located at
JL1 on the motherboard. Attach the ap-
propriate cable from the chassis to inform
you of a chassis intrusion when the chassis
is opened.
Chassis Intrusion
Pin Definitions (JL1)
Pin# Definition
1
Intrusion Input
2
Ground
A
B
C
D
Summary of Contents for C7B250-CB-ML
Page 1: ...C7B250 CB ML USER S MANUAL Revision 1 0a...
Page 28: ...1 12 Supermicro C7B250 CB ML Motherboard User s Manual Notes...
Page 110: ...4 44 Supermicro C7B250 CB ML Motherboard User s Manual Notes...
Page 112: ...A 2 Supermicro C7B250 CB ML Motherboard User s Manual Notes...
Page 118: ...C 4 Supermicro C7B250 CB ML Motherboard User s Manual Notes...