Rtc Power Input Wafer (Bat); Fan Wafers (Cpu_Fan & Sys_Fan); Table 21: Pin Assignment Bat; Table 22: Pin Assignment Cpu_Fan, Sys_Fan - Kontron MITX-CFL0 Series User Manual

7.1.3. RTC Power Input Wafer (BAT)

The 1x2-pin 1.25 mm pitch RTC power input wafer is intended to be connected to the battery. The battery provides
power to the system clock to retain the time when power is turn off.

Figure 16: RTC Power Input Wafer BAT

Table 21: Pin Assignment BAT

Pin Signal
1 RTC Power
2 GND
7.2. Fan Wafers (CPU_FAN & SYS_FAN)
The CPU FAN Wafer (CPU_FAN) is used for the connection of the FAN for the CPU while the System FAN Wafer
(SYS_FAN) for the connection of the FAN for the system.

Figure 17: Fan Wafer CPU_FAN, SYS_FAN

Table 22: Pin Assignment CPU_FAN, SYS_FAN

Pin Signal
1 GND
2 Voltage Speed
Control
3 SENSE
4 PWM Speed
Control
www.kontron.com
Description
Real-time clock backup battery input
Ground reference
Description
Power supply ground signal
+12 V power supply for fan
Sense input signal from the fan, for rotation speed supervision
RPM (Rotations Per Minute).
PWM output signal for FAN speed control
MITX-CFL0 Series - User Guide, Rev. 1.1
Note
Note
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