Contec SPI-8451-LLVA User Manual
3. Hardware Installations
34
SPI-8451-LLVA, SPI-8452-LLVA, SPI-8451-LVA
+12V Power supply Connector: PW1
The power supply that conformed for ATX12V is used, this connector connect 4Pin +12V cable directly
from power supply. Use the +12V power cable of the accessories, when other power supplies are used.
from power supply. Use the +12V power cable of the accessories, when other power supplies are used.
Table 3.24.
+12V power supply Connector
Pin No.
2
1
Function
GND
GND
Pin No.
4
3
Function
+12V
+12V
PW1
2
1
4
3
CPU FAN Connector: FAN1
FAN1 is a 3-pins box-header for the CPU cooling fan power connector.
The fan must be a 12V fan. Pin 3 is for Fan speed sensor input.
The fan must be a 12V fan. Pin 3 is for Fan speed sensor input.
Table 3.25.
CPU FAN Connector
Pin No.
1
2
3
Function
GND
POWER
FAN
FAN1
Housing
: 5102-03 (molex)
Contact
: 5103 (molex)
1 2 3
System FAN Connector: FAN2
FAN2 is a 3-pins box-header for the system cooling fan power connector.
The fan must be a 12V fan. Pin 3 is for Fan speed sensor input. Pin 2 is for +12V power supply.
The fan must be a 12V fan. Pin 3 is for Fan speed sensor input. Pin 2 is for +12V power supply.
Table 3.26.
System FANConnector
Pin No.
1
2
3
Function
GND
POWER
FAN
FAN2
Housing
: 5102-03 (molex)
Contact
: 5103 (molex)
1 2 3