Chapter 2 Installation
16
EPE1814V2NAR
cable (usually black) and fan speed output impulse signal cable (other colors).
Some fans have no speed detecting while the output of the cable is up to 12V,
usage of these substandard connection will destroy the CPU card. It is
recommended to use a fan with speed detection.
Ø
Adjust the fan’s airflow to the direction of heat venting.
CPUFAN1/ SYSFAN1
Pin
Signal Name
1
GND
2
+12V
3
FAN_IO
4
FAN_PWM
FAN_IO: Fan Speed Impulse Output; FAN_PWM: Fan Speed PWM Control
Install the CPU
Please install the CPU as follows (Refer to the figure below):
Ø
Aim the concave of the CPU at the heave mark on the CPU socket; then put the
CPU in the socket;
Ø
After the CPU is installed properly, cover the CPU via the upper cover of the
CPU socket; then fasten the CPU with hooks.
Install the CPU Cooling Fan
Please install the CPU cooling fan as follows (Refer to the figure below):
Ø
Firstly, aim the bracketof the cooling fin (see figure
④
) at the fixing holes on