ADLINK Express-HR - Manual (Page 26)

Express-HR User’s Manual Page 26
Signal Descriptions (cont’d)
IO-2,5 Bi-directional 2,5 V Input/Output
IO-3,3 Bi-directional 3,3 V Input/Output
IO-5 Bi-directional 5 V Input/Output
I-3,3 3,3 V Input
I-5 5 V Input
O-2,5 2,5 V Output
O-3,3 3,3 V Output
O-5 5 V Output
IO Input/Output
OA Analog Output
OD Digital Output
I/O - DP Differential Pair Input/Output
O - DP Differential Pair Output
I - DP Differential Pair Input
PWR Power or Ground
STO Strapping Output
PU Pull Up Resistor
PD Pull Down Resistor
NC Not Connected / Reserved
Signal Type Legend
5.5 Onboard Fan Connector
The Express-HR has an onboard fan connector (FAN1: 3-pin 1.25 mm Wafer) on the
underside of the board, next to the SODIMM socket.
FAN1: 12V Fan Power Pin Signal
1 HWM_PWM2
2 P12V
3 HWM_TACH2
3 2 1