Acnodes PCH 3582 - Manual (Page 22)

19. CPU SCREW HOLES: Four screw holes for fixed CPU Cooler assemble.
20. COM1: (Type DB9), Rear serial port, standard DB9 serial port is provided to make
a direct connection to serial devices. COM1 port is controlled by pins No.1~6 of JCOM,
select output Signal RI or 5V or 12v, For details, please refer to description of JCOM.
21. AT12V: (5.0mm 1x2 Pin Connector),DC12V System power input connector
。
Pin# Signal Name
1 +12V
2 Ground
Note:
Make sure that the voltage of power supply is DC(12±5%)V before power on, or
it may cause boot up failure and even system damage.
22. FAN: (2.54mm Pitch 1x3 Pin Header), Fan connector, cooling fans can be
connected directly for use. You may set the rotation condition of cooling fan in menu of
BIOS CMOS Setup.
Pin# Signal Name
1 Ground
2 VCC
3 Rotation
detection
Note:
Output power of cooling fan must be limited under 5W.
23. LVDS: For 18 bit LVDS output connector, Fully supported by Intel Atom D525
chipset, the interface features single channel 18-bit output. Model name of the
interface connector is Hirose DF13-30DP-1.25V.
Signal Name Pin# Pin# Signal Name
LVDS1_VDD5 1 2 LVDS1_VDD5
Ground 3 4 Ground