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Chapter 2: Installation
2.7 Connectors
Power Connections
ATX Power 24-pin Connector
Pin Definitions
Pin#
Definition
Pin#
Definition
13
+3.3V
1
+3.3V
14
-12V
2
+3.3V
15
Ground
3
Ground
16
PS_ON
4
+5V
17
Ground
5
Ground
18
Ground
6
+5V
19
Ground
7
Ground
20
Res (NC)
8
PWR_OK
21
+5V
9
5VSB
22
+5V
10
+12V
23
+5V
11
+12V
24
Ground
12
+3.3V
CPU1
FANA
JPH1
JMD1
MH2
LAN1
LAN2
USB4/5 (3.2)
USB6/7 (3.2)
JPAC1
MH1
FAN2
MH3
HDMI2.0/DP
JRF3
MH4
FAN1
JPV1
JF1
BT1
USB2/3
USB0/1
JSPKR1
JI2C1
JMD1_SRW1
JI2C2
JWD1
JPME2
JRF1
JRF2
JD1
JL1
JCOM1
JBT1
JTPM1
JPT1
JPL1
JPL2
J9
I-SATA0
I-SATA3
PCH1
JGP1
JVRM1
JPWR1
CPU Slot7
PCI-E 3.0 x16
Designed in USA
Rev: 1.01
X12CV-W
DIMMA1
DIMMB1
LED1
1
2
1. 4-pin HDD Power
2. 24-Pin ATX Power
3. 8-Pin CPU Power
8-pin CPU Power
Pin Definitions
Pin#
Definition
1-4
GND
5-8
12V
Power Connectors
JPWR1 is the 24-pin power connector for an ATX power source. JPV1 is the 12V DC power
connector that provides power to the CPU in conjunction with JPWR1 or it can be used as the
sole 12V DC power input when JPWR1 is not in use. JPH1 is a 4-pin HDD power connector
that provides power to onboard HDD devices.
4-pin HDD Power
Pin Definitions
Pin#
Definition
1
12V
2-3
Ground
4
5V
3