MSC COM EXPRESS CX-MB-EVA2 Manuel d'utilisateur télécharger pdf (Page 39)

CX-MB-EVA2 User's Manual Hardware

4.18.4 Fan interface

Two PWM controlled fan interfaces are integrated on the base board. They are located

near the COM Express modul.

Measurement of the tacho signal and control of the rotation speed is done by the

SuperIO.

Specification:

 References: X42 - X43

 Connector: Molex 22-04-1031

Pinout: Refer to Table 27

Signal name

Function

GND

Ground

PWM

PWM signal

TACHO

Tacho signal

Table 27 Pinout Fan Interface

4.18.5 Intel Fan interface

A PWM controlled intel fan interface is shared with X43. Don't use both at the same time.

Measurement of the tacho signal and control of the rotation speed is done by the

SuperIO.

Specification:

 References: X48

 Connector: Molex 47053-1000

 Pinout: Refer to Table 23

Signal name

Function

GND

Ground

+12V

VCC

TACHO

Tacho signal

PWM

PWM signal

Table 28 Pinout Fan Interface

4.18.6 SuperIO Hardware Monitor

You can check different voltages and temperatures using the hardware monitor that is

integrated in the SuperIO.

Monitored voltages

 VBAT

 3.3V

 12V

1 2 ... 34 35 36 37 38 39 40 41 42 43 44 45 46

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MSC COM EXPRESS CX-MB-EVA2 Manuel d'utilisateur Page 39

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