Asus PRIME N100I-D D4 Users Manual English - Page 12

Chassis Intrusion header, Clear CMOS header, COM Port header, Front Panel Audio header

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10. Chassis Intrusion header CHASSIS This header is for a chassis-mounted intrusion detection sensor or switch. +5VSB_MB Chassis Signal GND Connect one end of the chassis intrusion sensor or switch cable to this PIN 1 header. The chassis intrusion sensor or switch sends a high-level signal to this header when a chassis component is removed or replaced. The signal is then generated as a chassis intrusion event. 11. 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. +3V_BAT GND CLRTC PIN 1 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 key during the boot process and enter BIOS setup to re-enter data. DO NOT short-circuit the pins except when clearing the RTC RAM. Short-circuiting or placing a jumper cap will cause system boot failure! If the steps above do not help, remove the onboard battery and shCoCr2t D+ the two pVTinXB1Us+Sagain to clear the CMOS RTC RAM data. After clearing the CMOS, reinstallDt-he battery.TX1- GND GND RX2- RX1+ RX2+ RX1- 12. COM Port header GND TX2- VBUS CC1 TX2+ NC The COM (Serial) Port header allows you to connect a COM port moduVBleUS. NC COM RXD DTR DSR CTS Connect the COM port module cable to this header, then install the module to a slot opening on the system chassis. PIN 1 The COM port module is purchased separately. DCD TXD GND RTS RI AGND NC SENSE1_RETUR SENSE2_RETUR 13. 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. We recommend that you connect a high-definition front panel audio module to this header to avail of the motherboard's high-definition audio capability. PORT1 L PORT1 R PORT2 R SENSE_SEND PORT2 L AAFP HD-audio-compliant pin definition 1-4 Chapter 1: Product Introduction

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1-4
10. Chassis Intrusion header
This header is for a chassis-mounted intrusion detection sensor or switch.
Connect one end of the chassis intrusion sensor or switch cable to this
header. The chassis intrusion sensor or switch sends a high-level signal to this
header when a chassis component is removed or replaced. The signal is then
generated as a chassis intrusion event.
11. 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.
DO NOT short-circuit the pins except when clearing the RTC RAM. Short-circuiting or
placing a jumper cap will cause system boot failure!
If the steps above do not help, remove the onboard battery and short the two pins again to
clear the CMOS RTC RAM data. After clearing the CMOS, reinstall the battery.
12. COM Port header
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.
The COM port module is purchased separately.
13. 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.
We recommend that you connect a high-definition front panel audio
module to this header to avail of the motherboard’s high-definition
audio capability.
+5VSB_MB
Chassis Signal
GND
CHASSIS
PIN 1
CLRTC
+3V_BAT
GND
PIN 1
PIN 1
RXD
DTR
DSR
CTS
COM
DCD
TXD
GND
RTS
RI
AAFP
AGND
NC
SENSE1_RETUR
SENSE2_RETUR
PORT1 L
PORT1 R
PORT2 R
SENSE_SEND
PORT2 L
HD-audio-compliant
pin definition
Chapter 1: Product Introduction