MSI MEGA 865 User's Guide Page 22

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2-5
Introducing Mainboard
2.4 Power Supply
The system is equipped with a 250W(PFC) ATX power supply. The power
cord of power supply has been connected to the connector JWR1 on the mainboard
when shipped out. Except the 20-pin connector ATX1, you can find another
4-pin power connector JPW1 on the mainboard.
1
11
ATX1
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
45V
5 GND
65V
7 GND
8 PW_OK
9 5V_SB
10 12V
JWR1 Pin Definition
PIN SINGAL
1 GND
2 GND
3 12V
4 12V
JPW1 Pin Definition
1
3
4
2
JPW1
Dim ension 70 (H)x1450(W )x105(D) m m
PFC Yes (passive)
W attage 250W M ax
Electrical D esign
Specification
AC O utput :100-127/200-240 VAC,
Switch Selectable, Auto Protection
DC O utput :+3.3V 17A
:+5V 12A
:+12V 13.5A
:-12V 0.5A
:+5Vsb 3A
:+12Vsb 2.5A
80 m m PW M Fan
Certificate FCC/UL/CUL/BSMI/CB/NEMKO/TUV
Power Supply Specification
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