FUJITSU Mainboard D1931 - Manual (Page 26)

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