Power Supply - MSI MEGA 651 User Manual

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.
ATX Power Supply Pin Definition
PIN
1
2
3
4
5
6
7
8
9
10
Power Supply Specification
Dimension
PFC
Wattage
Electrical Design Specification
Certificate
2-4 ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○
SINGAL PIN SIGNAL
3.3V 11 3.3V
3.3V 12 -12V
GND 13 GND
5V 14 PS_ON
GND 15 GND
5V 16 GND
GND 17 GND
PW_OK 18
5V_SB 19 5V
20 5V
12V
CN20 Pin Definition
PIN SINGAL
1 GND
2 GND
3 12V
4 12V
10
1
20-Pin
Connector
3
1
70 (H)x1450(W)x105(D) mm
Yes (passive)
200W Max
AC Output :100-127/200-240 VAC, Switch
Selectable, Auto Protection
DC Output :+3.3V 17A
:+5V 12A
:+12V 13.5A
:-12V 0.5A
:+5Vsb 3A
:+12Vsb 2.5A
80 mm PWM Fan
FCC/UL/CUL/BSMI/CB/NEMKO/TUV
20
11
4
2
CN 20