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2.7 Connectors
Power Connections
ATX Power Supply Connector
The primary 24-pin power supply connector (JPWR1) meets the ATX SSI EPS 12V
specification. An 8-pin (JPWR2) processor power connector must also be connected to your
power supply.
LE1
MH13
ASpeed
AST2500
LEDBMC
MH12
JPME2
JD1
SP1
MH11
LEDSSD2
M.2-P_1
MH10
BT1
JBT1
USB4/5
Intel
C246
1
I-SATA0
M.2-P_2
I-SATA1
I-SATA2
I-SATA3
I-SATA4
JL1
JSD2
I-SATA5
JSD1
ATX Power 24-pin Connector
Pin Definitions
Pin#
Definition
13
+3.3V
14
NC
15
GND
16
PS_ON
17
GND
18
GND
19
GND
20
Res (NC)
21
+5V
22
+5V
23
+5V
24
GND
VGA
IPMI_LAN
LAN2/LAN4
LAN1/LAN3
USB0/1
Intel
Intel
i210
i210
CPU
MEGERAC
LICENSE
BAR CODE
LEDSSD1
FANA
JSTBY1
FAN3
Pin#
Definition
1
+3.3V
2
+3.3V
3
GND
4
+5V
5
GND
6
+5V
7
GND
8
PWR_OK
9
5VSB
10
+12V
11
+12V
12
+3.3V
1. 24-pin ATX PWR
COM1
FAN4
1
MAC CODE
IPMI CODE
43
Chapter 2: Installation
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