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Chapter 2: Installation
2.7 Connectors
Power Connections
Required Connection
1. 24-Pin ATX Main PWR (Required)
1
Main ATX Power Supply Connector
The primary power supply connector (JPWR1) meets the ATX SSI EPS 12V specication.
You must also connect the 8-pin (JPWR2) processor power connector to your power supply.
ATX Power 24-pin Connector
Pin Denitions
Pin# Denition Pin# Denition
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
LAN2
LAN1
USB0/1
USB6/7
(3.0)
VGA
SP1
Intel PCH
CPU
BIOS
LICENSE
MAC CODE
BAR CODE
IPMI CODE
IPMI_LAN
COM1
BT1
COM2
USB2/3
USB8(3.0)
J23
USB4/5
USB9/10(3.0)
JTPM1
JPWR1
JOH1
JPI2C1
LEDPWR
JD1
JPWR2
FAN1
FAN2
FAN3
FAN4
FAN5
FAN6
JF1
I-SGPIO2
I-SGPIO1
JL1
I-SATA3
I-SATA2
JSD1
JSD2
JSXB1C
JSXB1B
JSXB2
JSXB1A
JI2C1
JI2C2
JWD1
JPL2
JPG1
JPB1
JPME2
JBR1
LE1
JUIDB1
JBT1
LEDEC1
LEDBMC
JPL1
I-SATA7
I-SATA6
I-SATA4
I-SATA5
SRW2
SRW3
SRW1
SRW4
BMC
X11SSW-F
REV:1.01
Designed in the USA
JIPMB1
JSTBY1
DIMMA1
DIMMA2
DIMMB1
DIMMB2
2260
2280
22110