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2.8 Connectors
Power Connections
ATX Power Supply Connector
The 24-pin power supply connector (JPW1) meets the ATX SSI EPS 12V specification. If
required, you also need to connect the 8-pin 12V DC power connectors (JPW2 and JPW3)
to the power supply to provide adequate power to your system.
ATX Power 24-pin Connector
Pin Definitions (Required Connection)
Pin#
Definition
13
+3.3V
14
NC
15
Ground
16
PS_ON
17
Ground
18
Ground
19
Ground
20
Res (NC)
21
+5V
22
+5V
23
+5V
24
Ground
LAN
BMC
LEDBMC
CTRL
JL1
JSTBY1
JPL1
LED3601
(M.2-C1 LED)
M.2-C1
PCIe 4.0 X4
FANC
BT1
FANB
JBT1
2280
USB0/1
22110
(2.0)
TRX50
JD1
SP1
BIOS
LICENSE
JSD1
12V_PUMP_PWR2
SATA2
SATA0
SATA3
SATA1
USB2/3
JMCIO-1/2
(3.2 GEN1)
JWD1
JOH1
Pin#
Definition
1
+3.3V
2
+3.3V
3
Ground
4
+5V
5
Ground
6
+5V
7
Ground
8
PWR_OK
9
5VSB
10
+12V
11
+12V
12
+3.3V
LED1
(UID-LED)
JUIDB1
(UID)
USB9
(3.2 GEN2X2)
BMC_LAN
LAN2
LAN1
USB6/7
USB4/5
(3.2 GEN2)
(3.2 GEN2)
JPUSB1
FAN4
LED3602
(M.2-C2 LED)
CPU
M.2-C2
PCIe 4.0 X4
2280
22110
H13SRA-TF
REV:1.01
DESIGNED IN USA
USB8
(3.2 GEN2)
FANA
JTPM1
LED7
(Power LED)
JF1
51
12V 8-pin Power
Pin Definitions (Required Connection)
Pin#
Definition
1 - 4
Ground
5 - 8
+12V
1. 24-pin ATX PWR (JPW1)
2. 8-pin PWR (JPW2)
JAUDIO1
VGA
3. 8-pin PWR (JPW3)
COM1
3
JPW3
JSPDIF_OUT
JPAC1
JAFP1
FAN3
FAN2
FAN1
12V_PUMP_PWR1
2
JPW2
JPI2C1
1
JPW1
(Continued to next page)
Chapter 2: Installation
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