MSI E7320 User Manual - Page 22

Power Supply

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Hardware Setup Power Supply Before inserting the power supply connector, always make sure that all components are installed properly to ensure that no damage will be caused. SSI 24-Pin Power Connector: JPWR1 This connector allows you to connect to an SSI power supply. To connect to the SSI power supply, make sure the plug of the power supply is inserted in the proper orientation and the pins are aligned. Then push down the power supply firmly into the connector. SSI 8-Pin Power Connector: JPWR2 This connector provides 12V power output to the CPU. JPWR1 1 12 13 24 JPWR2 1 4 5 8 JPWR1 Pin Definition PIN SIGNAL PIN SIGNAL 1 +3.3V 13 +3.3V 2 +3.3V 14 -12V 3 GND 15 GND 4 +5V 16 PS-ON# 5 GND 17 GND 6 +5V 18 GND 7 GND 19 GND 8 PWR OK 20 3VSB 9 5VSB 21 +5V 10 +12V 22 +5V 11 +12V 23 +5V 12 +3.3V 24 GND JPWR2 Pin Definition PIN SIGNAL 1 GND 2 GND 3 GND 4 GND PIN SIGNAL 5 +12V 6 +12V 7 +12V 8 +12V MSI Reminds You... 1. Power supplies of 350watt (and up) are highly recommended for sys- tem stability. 2. Please refer to the Intel/AMD websites for recommended power supplies. 2-9

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2-9
Hardware Setup
Power Supply
Before inserting the power supply connector, always make sure that all com-
ponents are installed properly to ensure that no damage will be caused.
SSI 24-Pin Power Connector: JPWR1
This connector allows you to connect to an SSI power supply. To connect to
the SSI power supply, make sure the plug of the power supply is inserted in the
proper orientation and the pins are aligned. Then push down the power supply firmly
into the connector.
SSI 8-Pin Power Connector: JPWR2
This connector provides 12V power output to the CPU.
PIN
SIGNAL
13
+3.3V
14
-12V
15
GND
16
PS-ON#
17
GND
18
GND
19
GND
20
3VSB
21
+5V
22
+5V
23
+5V
24
GND
PIN
SIGNAL
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
JPWR1 Pin Definition
PIN
SIGNAL
5
+12V
6
+12V
7
+12V
8
+12V
PIN
SIGNAL
1
GND
2
GND
3
GND
4
GND
JPWR2 Pin Definition
MSI Reminds You...
1. Power supplies of 350watt (and up) are highly recommended for sys-
tem stability.
2. Please refer to the Intel/AMD websites
for recommended power
supplies.
JPWR1
12
1
24
13
JPWR2
1
8
5
4