Siemens PC 670 - Manual (Page 163)

Hardware Information Release 04/02
7-31 Panel PC 670 Computing Unit, Equipment Manual
SV connection for hard disk
The power supply of the 3.5” hard disk is effected via this connection.
Pin No. Short Name Description Input / Output
1 P12V +12 V Output
2 GND Chassis ground –
3 GND Chassis ground –
4 P5V +5 V Output
Connection for CPU fan
The CPU fan is connected via this connection.
Pin No. Short Name Description Input / Output
1 GND Chassis ground –
2 +12V Switched power supply Output
3 CPU FAN_CLK Speed signal Input
Connection for device fan
The device fan is connected via this connection.
Pin No. Short Name Description Input / Output
1 +12V Switched power supply Output
2 GND Chassis ground –
Connection for buffer battery
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.
Pin No. Short Name Description Input / Output
1 +12V Switched power supply Output
2 GND Chassis ground –