Chapter 2: Installation
2-21
JTPM1
RST
PWR
ON
XOH/FF
X
NIC
1
PWR
LED
HDD
LED
JF1
USB 2/3USB 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
2-3 DISABLE
1-2 ENABLE
CPU_FAN1
JVR1
JPUSB1
JPW2
KB/MOUSE
LED1
REV: 1.00
C7B250-CB-MK
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
2-7 Connecting Cables
This section provides brief descriptions and pinout denitions for onboard
headers and connectors. Be sure to use the correct cable for each header
or connector.
A. 24-Pin ATX Main PWR
B. 8-Pin PWR
ATX Power 24-pin Connector
Pin Denitions (JPW1)
Pin# Denition Pin # Denition
13 +3.3V 1 +3.3V
14 -12V 2 +3.3V
15 COM 3 COM
16 PS_ON 4 +5V
17 COM 5 COM
18 COM 6 +5V
19 COM 7 COM
20 Res (NC) 8 PWR_OK
21 +5V 9 5VSB
22 +5V 10 +12V
23 +5V 11 +12V
24 COM 12 +3.3V
(Required)
12V 8-pin Power Connec-
tor Pin Denitions
Pins Denition
1 through 4 Ground
5 through 8 +12V
ATX Main PWR & CPU PWR
Connectors
The 24-pin main power connector (JPW1)
is used to provide power to the moth-
erboard. The 8-pin CPU PWR connector
(JPW2) is also required for the processor.
These power connectors meet the SSI
EPS 12V specication. See the table on
the right for pin denitions.
A
B