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
Summary of Contents for Express-HR
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