External Atx Power Connector: Cn20; System Fan Connector: Cn21; Cpu Fan Connector: Cn22 - Contec SPI-6941-LV User Manual

CHAPTER 2 –Hardware Installations

2.16 External ATX Power Connector: CN20

Pin No.
CN20
6
6
5 PS-ON (Soft ON/OFF)
5
4
4
3
3
2
2
1
1

2.17 System FAN Connector: CN21

CN21 is a 3-pins header for the SYSTEM cooling fan power connector. The fan must
be a 12V fan. Pin 3 is for Fan speed sensor input.
CN21
1
2
3

2.18 CPU FAN Connector: CN22

CN22 is a 3-pins header for the CPU cooling fan power connector. The fan must be a
12V fan. Pin 3 is for Fan speed sensor input.
CN22
1
2
3
26
Function
5V SBY
GND
(PBTN-IN) N.C.
GND
Housing: XHP-6 (JST)
Contact: SXH-001T-P0.6 (JST)
N.C.
PIN No. Function
1 GND
2 +12V
3 FAN
PIN No. Function
1 GND
2 +12V
3 FAN
CN20
6
5
PS-ON
4
3
2
1
Connector type for Cable
Housing: 5102-03 (molex)
Contact: 5103 (molex)
Connector type for Cable
Housing: 5102-03 (molex)
Contact: 5103 (molex)
5VSB
ATX Power
Control signal
5VSB
PS-ON
GND
SPI-6941-LV