Digital I/O Connector (Cn1); Cpu Fan Connector (Cn2); Sata Power Connector (Cn4) - AXIOMTEK CAPA840 User Manual

2.4.1

Digital I/O Connector (CN1)

The board is equipped with an 8-channel (3 inputs and 5 outputs) digital I/O connector
that meets requirements for a system customary automation control. The digital I/O can
be configured to control cash drawers and sense warning signals from an Uninterrupted
Power System (UPS), or perform store security control. You may use software
programming to control these digital signals.
Pin Signal
1 Digital Input 0
3 Digital Input 1
5 Digital Input 2
7 Digital Output 0
9 +5V level
2.4.2

CPU Fan Connector (CN2)

This is a3-pin p=2.54mm wafer connector which is compliant with Molex 5045, for fan
interface. Fan is needed for cooling down CPU temperature. You can find fan speed
within BIOS Setup Utility if fan is installed. For further information, see BIOS Setup Utility:
Advanced\H/W Monitor\PC Health Status (see section 4.4).
Pin
1
2
3
2.4.3

SATA Power Connector (CN4)

This is a, 4-pin p=2.5mm wafer connector which is compliant with JST B4B-XH-K-S for
interfacing to SATA 2.5" HDD power supply.
Pin
1
2
3
4
Board and Pin Assignments
Pin Signal
2 Digital Output 4
4 Digital Output 3
6 Digital Output 2
8 Digital Output 1
10 GND
Signal
GND
+12V level
Fan speed feedback
Signal
+12V level
GND
GND
+5V level
CAPA840/843 Capa Board
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