System Fan Connector: Fan1/Fan2; External Battery Connector - Contec SCP-8550-LLV User Manual

3. Hardware Installation

System FAN Connector: FAN1/FAN2

FAN1 and FAN2 are 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.
Table 3.5. System FAN Connector (FAN1/FAN2)
Pin No.
FAN1/FAN2
1
1
2
2
3
3

External Battery Connector

It is a 2 Pin connector used for external battery. An external battery power for used of real-time clock
and CMOS memory.
Table 3.6. External Battery Connector
Pin No.
1
1
2
2
Housing: IL-2S-S3L-(N) (JAE)
Contact: IL-C2-10000 (JAE)
18
Function
GND
+12V
Housing
Contact
FAN sense
Function
CMOS Memory
GND
Real-time clock
External_battery
(3V)
: 5102-03 (molex)
: 5103 (molex)
3VSB
1kΩ
1
2
1kΩ
+
On board
Litium battery
SCP-8550-LLV