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8. USB 2.0 headers
USB+5V
USB_P1-
USB_P1+
GND
NC
The USB 2.0 headers allow you to connect USB modules for additional USB
2.0 ports. The USB 2.0 headers provide data transfer speeds of up to 480
Mb/s.
PIN 1
DO NOT connect a 1394 cable to the USB connectors. Doing so will
damage the motherboard!
USB+5V
USB_P2-
USB_P2+
GND
The USB 2.0 module is purchased separately.
9. Chassis intrusion header (4-1 pin CHASSIS)
CHASSIS
+5VSB_MB
Chassis Signal
GND
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
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.
10. Clear CMOS header
CLRTC
This header allows you to clear the CMOS RTC RAM data of the system setup
information such as date, time, and system passwords.
+3V_BAT
GND
To erase the RTC RAM:
PIN 1
1.
Turn OFF the computer and unplug the power cord.
2.
Use a metal object such as a screwdriver to short the two pins.
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.
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.
COM
11. COM Port header
RXD
DTR
DSR
CTS
PIN 1
This header is for a serial (COM) port. Connect the serial port module cable
to this header, then install the module to a slot opening at the back of the
system chassis.
DCD
TXD
GND
RTS
RI
12. Front panel audio header
This header is for a chassis-mounted front panel audio I/O module that
supports HD audio standard. Connect one end of the front panel audio
I/O module cable to this header.
AGND
NC
SENSE1_RETUR
SENSE2_RETUR
AAFP
•
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
HD-audio-compliant
pin definition
•
If you want to connect a high-definition front panel audio module
to this header, set the Front Panel Type item in the BIOS Setup
to [HD Audio]. By default, this header is set to [HD Audio].
1-3
ASUS PRIME H510M-R