Atx Power Control Connectors (Cn20 And Cn21); Atx Feature Connector (Cn20) And Soft Power Switch Connector (Cn21) - Advantech PCA-6004V-00A1 Manual

2.13 ATX Power Control Connectors (CN20
and CN21)
2.13.1 ATX feature connector (CN20) and soft power switch
connector (CN21)
The PCA-6004 can support an advanced soft power switch function if
an ATX power supply is used. To enable the soft power switch
function:
1. Take the specially designed ATX-to-PS/2 power cable out of the
accessory bag.
2. Connect the 3-pin plug of the cable to CN20 (ATX feature connec-
tor).
3. Connect the power on/off button to CN21. (A momentary type of
button should be used.)
Note:
Warnings: 1. Make sure that you unplug your power supply
2 2 PCA-6004 User's Manual
If you will not be using an ATX power connector,
make sure that pins 2-3 of CN20 are closed.
when adding or removing expansion cards or other
system components. Failure to do so may cause
severe damage to both your CPU card and expan-
sion cards.
2. ATX power supplies may power on if certain
motherboard components or connections are touched
by metallic objects.
CN20