MSI K9SD Master, User Manual

Page: 22 / 81

MS-9185 Server Board
2-8
Power Supply
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
PIN SIGNAL
1 +3.3V
2 +3.3V
3 GND
4 +5V
5 GND
6 +5V
7 GND
8 PW R OK
9 5VSB
10 +12V
11 +12V
12 +3.3V
JPWR2 Pin Definition
Important
1. Maker sure that all the connectors are connected to proper SSI power sup-
plies to ensure stable operation of the mainboard.
2. Power supply of 600 watts (and above) is highly recommended for system
stability.
3. SSI 12V power connection should be greater than 18A.
SSI 24-Pin System Power Connector: JPWR2
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 CPU Power Connector: JPWR3
This connector provides 12V power output to the CPUs.
SSI 4-Pin Power Connector: JPWR1
Make sure that you connect this connector with a 5V/12V power supply to ensure
stable operation of the PCI Express/PCI-X/PCI adapters and front panel USB device.
24
1
JPWR2
12
13
JPWR3
1
8 5
4
JPWR1
1
4
PIN SIGNAL
5 +12V
6 +12V
7 +12V
8 +12V
PIN SIGNAL
1 GND
2 GND
3 GND
4 GND
JPWR3 Pin Definition
PIN SIGNAL
1 5V
2 GND
3 GND
4 12V
JPWR1 Pin Definition