A SERVICE OF

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MS-7504 Mainboard
2-8
A TX 24-Pin Power Connector: PWR2
This connector allows you to connect an A TX 24-pin power supply.
To connect the A TX 24-pin power supply, make sure the plug of the
power supply is inserted in thae proper orientation and the pins are
aligned. Then push down the power supply firmly into the connec-
tor.
.
Power Supply
Important
1. Make sure that all the connectors are connected to proper A TX power sup-
plies to ensure stable operation of the mainboard.
2. Power supply of 200 watts (and above) is highly recommended for system
stability .
3. ATX 12V power connection should be greater than 16A.
ATX 12V Power Connector: PWR1
This 12V power connector is used to provide power to the CPU.
pin 12
pin 13
PIN SIGNAL
13 +3.3V
14 -12V
15 GND
16 PS-ON#
17 GND
18 GND
19 GND
20 N C
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 PWR OK
9 5VSB
10 +12V
11 +12V
12 +3.3V
Pin Definition
PWR2
1
12
24
13
PIN SIGNAL
1 GND
2 GND
3 12V
4 12V
Pin Definition
2
PWR1
1
3
4