Siemens PC 670 用户手册

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Panel PC 670 Computing Unit, Equipment Manual

The power supply of the 3.5” hard disk is effected via this connection.

1

P12V

+12 V

Output

2

GND

Chassis ground

–

3

GND

Chassis ground

–

4

P5V

+5 V

Output

The CPU fan is connected via this connection.

1

GND

Chassis ground

–

2

+12V

Switched power supply

Output

3

CPU FAN_CLK

Speed signal

Input

The device fan is connected via this connection.

1

+12V

Switched power supply

Output

2

GND

Chassis ground

–

The battery for the standby supply to the CMOS RAM is connected to this
connection. The battery used is a 3.6 V lithium battery with a capacity of 750 mAh.

1

+12V

Switched power supply

Output

2

GND

Chassis ground

–