Chapter 2: Installation
2-21
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
2-7 Connecting Cables
This section provides brief descriptions and pinout definitions 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 Definitions (JPW1)
Pin# Definition Pin # Definition
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 Definitions
Pins Definition
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 specification. Refer to the table
on the right for pin definitions.
A
B
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