Power Supply - MSI K9ND Speedster2 Series Manual

MS-9661 Server Board

Power Supply

24-Pin System Power Connector: JPWR1
This connector allows you to connect to an SSI power supply. To connect to the
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.
8-Pin CPU Power Connector: JPWR2
This connector provides 12V power output to the CPUs.
JPWR1
24
12
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
Important
1. Make sure that both connectors are connected to proper power supply to
ensure stable operation of the mainboard.
2. Powe;r supply of 600 watts (and above) is highly recommended for system
stability.
2-10
13
1
PIN SIGNAL
13 +3.3V
14 -12V
15 GND
16 PS-ON#
17 GND
18 GND
19 GND
20 Res
21 +5V
22 +5V
23 +5V
24 GND
JPWR2
1
5
JPWR2 Pin Definition
PIN SIGNAL PIN
1 GND 5
2 GND 6
3 GND 7
4 GND 8
4
8
SIGNAL
+12V
+12V
+12V
+12V