Fujitsu Siemens Computers D1740 Technical Manual page 23

Mainboard
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Audio port front
Pin
Signal
1
Micro input
3
Micro bias
5
Right line output
7
not connected
9
Left line output
If the audio front panel is not used, you must plug jumpers on pin pairs 5/6 and 9/10.
USB - dual channel
(internal or external via special wire)
Pin
1
3
5
7
9
11
Fan 1 (CPU)
(processor fan - only for 3 pin fans)
Pin
1
2
3
A26361-D1740-Z120-1-6319, Edition: 3
Signal
Key
VCC C
Data negative C
Data positive C
GND
Key
Controlled FAN voltage (0V, +6V, ... +12V, max. 1A)
or fix Fan voltage (+12 V, max. 1 A)
Pin assignment of internal ports
1
Pin
Signal
2
Analogue GND
4
Analogue VCC
6
Right line return
8
Key
10
Left line return
1
Pin
2
4
6
8
10
12
Signal
GND
Fan sense
2
2
Signal
Chipcard reader on
VCC D
Data negative D
Data positive D
GND
not connected
1
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