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ASUS M3N78-VM 1-33
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 pin labeled “Chassis Signal” and “Ground” are shorted with
a jumper cap. Remove the jumper caps only when you intend to use the
chassis intrusion detection feature.
12. LPT connector
The LPT (Line Printing Terminal) connector supports devices such as a
printer. LPT standardizes as IEEE 1284, which is the parallel port interface on
IBM PC-compatible computers.
R
M3N78-VM
M3N78-VM
Parallel Port Connector
LPT
STB#
AFD
PD0ERR#
PD1
INIT#
PD2SLIN#
PD3GND
PD4
1
GND
PD7
PD6
PD5
GND
GND
GND
ACK#
GND
BUSY
PE
SLCT
GND
GND
R
M3N78-VM
M3N78-VM
Intrusion Connector
CHASSIS
+5VSB_MB
Chassis Signal
GND
(Default)