Fujitsu Siemens Computers D1931 Technical Manual page 26

Pin assignment of internal ports
USB - dual channel (Chipcard reader
ready)
Pin
1
3
5
7
9
11
Fan 1, 2 and 3
Pin
1
2
3
4
16 - English
Signal
Key
VCC 1 or 3
Data negative 1 or 3
Data positive 1 or 3
GND
Key
11
Pin
2
4
6
8
10
12
Signal
GND
+12 V
Fan sense
Fan Control
A26361-D1931-Z120-1-7419, Edition 1
1 2
12
Signal
Chipcard reader on or not
connected
VCC 2 or 4
Data negative 2 or 4
Data positive 2 or 4
GND
not connected
1