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Chapter 4: Motherboard info
4-10
5. IEEE 1394 connector (10-1 pin IE1394_1)
This connector is for a 1394 module. Attach the 10-1 pin 1394 cable
plug from the module to this connector. You may also connect a
1394-compliant internal hard disk to this connector.
6. Chassis intrusion connector (4-1 pin CHASSIS1)
This lead is for a chassis designed with intrusion detection feature.
This requires an external detection mechanism such as a chassis
intrusion sensor or microswitch. When you remove any chassis
component, the sensor triggers and sends a high-level signal to this
lead to record a chassis intrusion event.
By default, the pins labeled “Chassis Signal” and “Ground” are shorted
with a jumper cap. If you wish to use the chassis intrusion detection
feature, remove the jumper cap from the pins.
NCCH-DL
®
NCCH-DL IEEE-1394 connector
IE1394_1
1
TPA0-
GND
TPB0-
+12V
GND
TPA0+
GND
TPB0+
+12V
NCCH-DL
®
NCCH-DL Chassis intrusion connector
CHASSIS
1
(Default)
+5VSB_MB
Chassis Signal
GND