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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.
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.
12V 8-pin Power Connec-
tor Pin Definitions
Pins
1 through 4
5 through 8
(Required)
Definition
Ground
+12V
HD AUDIO
JPME2:
1-2:NORMAL
2-3:ME MANUFACTURING MODE
JL1:
CHASSIS
INTRUSION
BIOS LICENSE
B1
PCIE M.2
CONNECTOR 1
JBT1
JCMOS
LED1
JSTBY1
JSTBY1:
5V STBY POWER
I-SATA4
I-SATA2
I-SATA0
I-SATA5
I-SATA3
I-SATA1
2-21
ATX Power 24-pin Connector
Pin#
Definition
13
+3.3V
14
-12V
15
COM
16
PS_ON
17
COM
18
COM
19
COM
20
Res (NC)
21
+5V
22
+5V
23
+5V
24
COM
A. 24-Pin ATX Main PWR
B. 8-Pin PWR
DVI
USB 4/5
(3.0)
LAN
USB 6/7(3.0)
JI2C1/JI2C2
ON :ENABLE
OFF:DISABLE
MH12
2280
MH11
2260
MH10
2242
DIMMA1
DIMMA2
DIMMB1
DIMMB2
SYS_FAN1
Chapter 2: Installation
Pin Definitions (JPW1)
Pin #
Definition
1
+3.3V
2
+3.3V
3
COM
4
+5V
5
COM
6
+5V
7
COM
8
PWR_OK
9
5VSB
10
+12V
11
+12V
12
+3.3V
HDMI/DP
KB/MOUSE
USB 0/1
JVR1
JPUSB1:USB0/1 WAKE UP
1-2 ENABLE
2-3 DISABLE
B
A
JPW1
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