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Chapter 2: Hardware information
2. Floppy disk drive connector (34-1 pin FLOPPY1)
This connector supports the provided floppy drive ribbon cable. After
connecting one end to the motherboard, connect the other end to the
floppy drive. (Pin 5 is removed to prevent incorrect insertion when
using ribbon cables with pin 5 plug).
A7N8X-E
®
NOTE: Orient the red markings on
the floppy ribbon cable to PIN 1
A7N8X-E Floppy Disk Drive Connector
PIN 1
FLOPPY1
3. 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.
A7N8X-E
®
A7N8X-E intrusion connector
CHASSIS1
+5VSB_MB
Chassis Signal
GND
(Default)