MSI KA780G User Guide - Page 22

Power Supply

Get MSI KA780G PDF manuals and user guides View all MSI KA780G manuals
Add to My Manuals
Save this manual to your list of manuals

Page 22 highlights

MS-7551 Mainboard Power Supply ATX 24-Pin Power Connector: JPWR2 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. You may use the 20-pin ATX power supply as you like. If you'd like to use the 20-pin ATX power supply, please plug your power supply along with pin 1 & pin 13 (refer to the image at the right hand). There is also a foolproof design on pin 11, 12, 23 & 24 to avoid wrong installation. Pin Definition 12 JPWR2 1 24 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 13 12 +3.3V 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 ATX 4-Pin Power Connector: JPWR1 This power connector is used to provide power to the CPU. 4 2 JPWR1 3 1 Pin Definition PIN SIGNAL 1 GND 2 GND 3 12V 4 12V pin 13 pin 12 Important 1. Maker sure that all the connectors are connected to proper ATX power supplies to ensure stable operation of the mainboard. 2. Power supply of 400 watts (and above) is highly recommended for system stability. 2-8

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
  • 76
  • 77
  • 78
  • 79
  • 80
  • 81
  • 82
  • 83
  • 84
  • 85
  • 86
  • 87
  • 88
  • 89
  • 90
  • 91
  • 92
  • 93
  • 94
  • 95
  • 96
  • 97
  • 98
  • 99
  • 100
2-8
MS-7551 Mainboard
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
Pin Definition
pin 12
pin 13
JPWR2
ATX 24-Pin Power Connector: JPWR2
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.
You may use the 20-pin ATX power supply as you like. If you
’
d like
to use the 20-pin ATX power supply, please plug your power sup-
ply along with pin 1 & pin 13 (refer to the image at the right hand).
There is also a foolproof design on pin 11, 12, 23 & 24 to avoid
wrong installation.
24
13
1
12
Important
1. Maker sure that all the connectors are connected to proper ATX power sup-
plies to ensure stable operation of the mainboard.
2. Power supply of 400 watts (and above) is highly recommended for system
stability.
PIN
SIGNAL
1
GND
2
GND
3
12V
4
12V
Pin Definition
JPWR1
ATX 4-Pin Power Connector: JPWR1
This power connector is used to provide power to the CPU.
1
3
4
2