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COMe-bEP7 Module User Guide
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9.8.
ACPI Suspend Modes and Resume Events
The COMe-bEP7 supports the S-states S0, and S5.
The following events resume the system from S5:
Power Button
WakeOnLan
OS must support wake up by USB devices and baseboard must power the USB Port
with StBy-Voltage.
Depending on the Used Ethernet MAC/Phy WakeOnLan must be enabled in BIOS
setup and driver options.
9.9.
Fan Connector (J7)
Figure 11: 3-pin Fan Connector
Table 22: 3-pin Fan Connector
Pin
Signal
Description
Type
1
TACHO
Rotation speed I
2
PWM
PWM output
0-5 V
3
GND
Ground
PWR
Table 23: Signal Description
Signal
Description
GND
Power Supply GND signal
TACHO
Tacho input signal from the fan, for rotation speed supervision
RPM (Rotations Per Minute).
PWM
Output signal for FAN speed control.
1
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