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Chapter 2: Installation
2.6 Connectors
Power Connections
Main ATX Power Supply Connector
The primary power supply connector (JPW1) meets the ATX SSI EPS 24-pin specification.
ATX Power 24-pin Connector
Pin Definitions
Pin#
Definition
Pin#
Definition
13
+3.3V
1
+3.3V
14
NC
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
Required Connection
BIOS LICENSE
BAR CODE
X11SBA
DESIGNED IN USA
JD2
JIPMB1
JPG1
LEDBMC
JPW1
JTPM1
I-SA
TA0
I-SATA1
COM2
COM1
JSATA1
JPW2
FAN2
JI2C1
JI2C2
JPAC1
JPME2
JSD1
BT1
LED3
JGP1
JBT1
JF1
SRW1
SRW2
JWD1
JSTBY1
LED1
LED2
mSATA/mini PCIE
SODIMM2(1.35V only)
SODIMM1(1.35V only)
(install first)
HDMI/DP
USB7/8
USB5/6
USB4
AUDIO FP
USB2/3(3.0)
CPU
IPMI_LAN
LAN3
LAN1
LAN4
LAN2
VGA
RST
PWR
ON
JF1
CPU SLOT1 PCI-E 2.0 X1 (IN X8)
X OH/FF NIC
1
NIC
2
PWR
LED
LED
HDD
NMI
X
USB0/1
FAN1
1
JL1
1. 24-Pin ATX Main PWR
1
NC = No Connection