IBM MS-7236 (V2.X) Mainboard G52-72361X2 - Manual (Page 25)

2-9
Hardware Setup
Power Supply
The mainboard supports ATX power supply for the power system. Before inserting
the power supply connector, always make sure that all components are installed
properly to ensure that no damage will be caused.
ATX 24-Pin Power Connector: ATX1
This connector allows you to connect an ATX 24-pin power supply. To connect the
ATX 24-pin 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.
ATX 12V Power Connector: PWRCONN1
This 12V power connector is used to provide power to the CPU.
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
Pin Definition
ATX1
1
12 24
13
1. These two connectors connect to the ATX power supply and have to
work together to ensure stable operation of the mainboard.
2. Power supply of 350 watts (and above) is highly recommended for
system stability.
3. ATX 12V power connection should be greater than 18A.
Impor tant
PIN SIGNAL
1 GND
2 GND
3 12V
4 12V
Pin Definition
PWRCONN1
1 3
4 2