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CHASSIS
13. Chassis Intrusion header
The Chassis Intrusion header allows you to connect a intrusion sensor or
microswitch for the chassis intrusion detection feature. When you remove
any chassis component, the sensor or microswitch triggers and sends a
high level signal and records a chassis intrusion event.
14. Clear CMOS header
The Clear CMOS header allows you to clear the Real Time Clock (RTC) RAM
in the CMOS, which contains the date, time, system passwords, and system
setup parameters.
To erase the RTC RAM:
1.
Turn OFF the computer and unplug the power cord.
2.
Short-circuit pin 1-2 with a metal object or jumper cap for about 5-10 seconds.
3.
Plug the power cord and turn ON the computer.
4.
Hold down the <Del> key during the boot process and enter BIOS setup to re-
enter data.
CAUTION! DO NOT short-circuit the pins except when clearing the RTC RAM. Short-circuiting or
placing a jumper cap will cause system boot failure!
COM
15. COM Port header
PIN 1
RXD
DTR
DSR
CTS
The COM (Serial) Port header allows you to connect a COM port module.
Connect the COM port module cable to this header, then install the module
to a slot opening on the system chassis.
DCD
TXD
GND
RTS
RI
F_AUDIO
16. Front Panel Audio header
The Front Panel Audio header is for a chassis-mounted
front panel audio I/O module that supports HD Audio.
Connect one end of the front panel audio I/O module cable
to this header.
17. M.2 slot (Key E)
M.2(WIFI)
The M.2 Wi-Fi slot allows you to install an M.2 Wi-Fi module (E-key, type
2230; CNVi & PCIe interface).
18. S/PDIF Out header
The S/PDIF Out header allows you to connect the Sony/Philips Digital
Interface (S/PDIF) Out module.
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Motherboard User Manual