Socket Mobile Pentium 4 Full Size PICMG CPU Card IB810 - Manual (Page 29)

INSTALLATIONS
IB810 User’s Manual 25
J18, J19: USB Connectors
The following table shows the pin outs of the USB pin headers
connectors. Overall, the two pin headers support four USB ports.
Signal Name Pin Pin Signal Name
Vcc 1 5 Ground
USB0- 2 6 USB1+
USB0+ 3 7 USB1-
J18
Ground 4 8 Vcc
Signal Name Pin Pin Signal Name
Vcc 1 5 Ground
USB2- 2 6 USB3+
USB2+ 3 7 USB3-
J19
Ground 4 8 Vcc
J20: Smart Card Reader Interface
J20 is a 14-pin header that provides interface for a Smart Card Reader.
The table below shows the pin assignments of this pin header.
Signal Name Pin # Pin # Signal Name
+5V 1 2 Protect pin
No connect 3 4 No connect
-SCRFET 5 6 SCRRST
SCRCLK 7 8 No connect
No connect 9 10 SCRIO
Ground 11 12 -SCRPRES
No connect 13 14 No connect