Power Supply; Ssi 24-Pin Power Connector: Jpwr1; Ssi 8-Pin Power Connector: Jpwr2 - MSI MS-9221 User Manual

MS-9221 1U Rackmount Server
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.
1
13
JPWR1 Pin Definition
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
MSI Reminds You...
1. Power supplies of 350watt (and up) are highly recommended for
system stability.
2. Please refer to Intel
3-8

Power Supply

JPWR1
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
®
website for recommended power supplies.
JPWR2
1
12
5
24
JPWR2 Pin Definition
PIN SIGNAL
1 GND
2 GND
3 GND
4 GND
4
8
PIN SIGNAL
5 +12V
6 +12V
7 +12V
8 +12V