Biostar NF520-A2 TE Setup Manual page 17

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ATX Power Source Connector: JATXPWR1
JATXPWR1 allows user to connect 24-pin power connector on the ATX power
supply.
Pin Assignment
1 +3.3V
2 +3.3V
3 Ground
4 +5V
5 Ground
6 +5V
7 Ground
8 PW_OK
9 Standby Voltage+5V
10 +12V
11 +12V
12 +3.3V
JATXPWR2: ATX Power Source Connector
By connecting this connector, it will provide +12V to CPU power circuit.
Note:
Befor e power on the s ystem, pleas e make sure that both J ATXPWR1 and JAT XPWR2
connectors have been pl ugged-in.
NF520-A2 TE/NF520-A2 SE/NF520-A 2
12 24
1 13
Pin Assignment
13 +3.3V
14 -12V
15 Ground
16 PS_ON
17 Ground
18 Ground
19 Ground
20 NC
21 +5V
22 +5V
23 +5V
24 Ground
1
2
3 4
Pin
1
2
3
4
Assignment
+12V
+12V
Ground
Ground
15