Hard Disk Drive Led (Cn3); Ir Connector (Cn4); Atx Power Button (Cn5); Keyboard Lock (Cn6) - Advantech PCI-6771 series User Manual

2.14 Hard disk drive LED (CN3)

You can connect an LED to connector CN3 to indicate
when the HDD is active. Marks on the circuit board
indicate LED polarity.

2.15 IR Connector (CN4)

This connector supports the optional wireless infrared
transmitting and receiving module. This module mounts on
the system case. You must configure the setting through
BIOS setup.

2.16 ATX power button (CN5)

The PCI-6771 provides an ATX power input connector.
When connected with the ATX power switch, the ATX
power switch connector (CN5) enables power On/Off from
the chassis.

2.17 Keyboard Lock (CN6)

Connecting CN6 enables the keyboard locking function
from the front panel of your chassis.
Chapter 2 Installation 21