MSI MEGA651 PC, User Manual

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2-4
Chapter 2
2.3 Power Supply
The system is equipped with a 200W(PFC) ATX power supply. The power
cord of power supply has been connected to the connectors on the mainboard
when shipped out. You can find two connectors (20-Piin & CN 20) on the
mainboard.
Dimension 70 (H)x1450(W)x105(D) mm
PFC Yes (passive)
Wattage 200W Max
Electrical Design Specification AC Output :100-127/200-240 VAC, Switch
Selectable,
Auto Protection
DC Output :+3.3V 17A
:+5V 12A
:+12V 13.5 A
:-12V 0.5A
:+5Vsb 3A
:+12Vsb 2.5A
80 mm PWM Fan
Certificate FCC/UL/CUL/BSMI/CB/NEMKO/TUV
1
11
20-Pin
Connector
20 10
PIN SIGNAL
11 3.3V
12 -12V
13 GND
14 PS_ON
15 GND
16 GND
17 GND
18
19
5V
20 5V
PIN SINGAL
1 3.3V
2 3.3V
3 GND
4 5V
5 GND
6 5V
7 GND
8 PW_OK
9 5V_SB
10 12V
ATX Power Supply Pin Definition
PIN SINGAL
1 GND
2 GND
3 12V
4 12V
CN20 Pin Definition
1
3
4
2
CN 20
Power Supply Specification