COMMELL LV-677E - Manual (Page 32)

LV-677 User’s Manual
Power Supply 32
2.13 <Power Supply>
2.13.1 <Power Input>
The board requires DC 12V input with 4-pin mini DIN connector on rear I/O panel
(LV-677DC Only) the input voltage range is from 8V to 21V, or onboard 24-pin ATX2.0
(LV-677 only) , for the input current, please take a reference of the power consumption
report on appendix.
Connector: DC_IN (LV-677DC only)
Type: 4-pin DC power connector
Pin Description Pin Description
1 +12V 2 +12V
3 Ground 4 Ground
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 PS_ON
5 GND 17 GND
6 5V 18 GND
7 GND 19 GND
8 PW_OK 20 -5V
9 5V_SB 21 5V
10 12V 22 5V
11 12V 23 5V
12 3.3V 24 GND
ATX
DC_IN
1 2
4 3