Lanner FW-7581 - Manual (Page 14)

11
Motherboard Information
Chapter 3
Network Application Platforms
ATX Power Connector(ATX1, ATX2): These 24-pin and
4-pin connectors are for connecting ATX power supply
plugs. Find the proper orientation when inserting the
plugs, for the supply plugs are designed to fit these
connectors in only one orientation.
CPU Fan Connectors(FAN1/FAN2/FAN3/FAN4): 4-pin
connector for connecting the smart fan. Connect CPU
fans to FAN1 and FAN2; connect system fan to FAN 3. FAN1
and FAN2 will be referred to as CPU fans and FAN3 will be
referred to as system fan on the Smart Fan control menu in
the Hardware Health Configuration of the BIOS.
System Fan Connector (FAN5): 3-pin connector for
connecting the system fan. This one doesn’t have a smart
fan feature.
CPU Socket: The LGA 775 socket is for connecting the
CPU.
Pin No. Function
1 GND
2 FAN
3 FINA
4 FINB/NA
Pin No. Function
1 GND
2 +12V
3 NC
Pin No. Function PIN NO. DESCRIPTION
1 3.3V 2 3.3V
3 3.3V 4 -12V
5 GND 6 GND
7 5V 8 PSON
9 GND 10 GND
11 5V 12 GND
13 GND 14 GND
15 POK 16 -5V
17 5VSB 18 5V
19 12V 20 5V
21 12V 22 5V
23 3.3V 24 GND
1
3
5
2 3
2
4
6
24
Pin No. Pin name Pin No. Pin name
1 Ground 2 P12V_A
3 Ground 4 P12V_A
1
2 3
4
1
2
3
4 3 2 1
2 4 6 8 10
1 3 5 7 9
Pin No. Function Pin No. Function
1 CLK 2 AD1
3 PLTRST# 4 AD0
5 FRAME# 6 VCC
7 AD3 8 GND
9 AD2 10 GND