Asus M3A78-EM M3A78-EMIntrusion Connector, M3A78-EMIEEE 1394a Connector, 11.Chassis intrusion connector (4-1pin CHASSIS), 12.IEEE 1394a port connector (10-1pin IE1394_1)

11.Chassis intrusion connector (4-1 pin CHASSIS)

This connector is for a chassis-mounted intrusion detection sensor or switch. Connect one end of the chassis intrusion sensor or switch cable to this connector. The chassis intrusion sensor or switch sends a high-level signal to this connector when a chassis component is removed or replaced. The signal is then generated as a chassis intrusion event.

By default, the pins labeled “Chassis Signal” and “GND” are shorted with a jumper cap. Remove the jumper caps only when you intend to use the chassis intrusion detection feature.

+5VSB MB	Chassis Signal GND
M3A78-EM
CHASSIS	(Default)

M3A78-EM Intrusion Connector12.IEEE 1394a port connector (10-1 pin IE1394_1)

This connector is for a IEEE 1394a port. Connect the IEEE 1394a module cable to this connector, then install the module to a slot opening at the back of the system chassis.

M3A78-EM

TPA1- GND TPB1- +12V GND

IE1394_1 1

TPA1+ GND TPB1+ +12V

M3A78-EM IEEE 1394a Connector

1-36 Chapter 1: Product introduction