COMMELL LV-67N - Manual (Page 38)

LV-67N User’s Manual
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2.14
2.14.1
The LV-67N provides a standard ATX power supply with 24-pin ATX connector and
additional 12V connector, and the board provides one 4-pin fan connectors supporting
smart fan for CPU cooler and one 3-pin cooler fan connectors for system and
Northbridge chip. The 4-pin CN_12V additional power connector is necessary for CPU
powering; please connect this well before you finishing the system setup.
Connector: CN_12V
Type: 4-pin standard Pentium 4 additional +12V power connector
Pin Description Pin Description
1 Ground 2 Ground
3 +12V 4 +12V
Connector: ATX
Type: 24-pin ATX power connector
PIN assignment
1 3.3V 13 3.3V
2 3.3V 14 -12V
3 GND 15 GND
4 5V 16 -PSON
5 GND 17 GND
6 5V 18 GND
7 GND 19 GND
8 PW_OK 20 N/C
9 5V_SB 21 5V
10 12V 22 5V
11 12V 23 5V
12 3.3V 24 GND
CN_12V
1
2
3 4
1
12
13 24
ATX