Asus EX-B760M-V5 EX-B760M-V5 Users Manual English - Page 12

USB 2.0 headers, Clear CMOS header, To erase the RTC RAM, COM Port header, Front Panel Audio header

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USB+5V USB_P1USB_P1+ GND NC 9. USB 2.0 headers The USB 2.0 headers allow you to connect USB modules for PIN 1 additional USB 2.0 ports. The USB 2.0 headers provide data PIN 1 transfer speeds of up to 480 Mb/s. USB+5V USB_P2USB_P2+ GND +5V DC Data(negative) Data(positive) Groud DO NOT connect a 1394 cable to the USB connectors. Doing so will damage the motherboard! The USB 2.0 module is purchased separately. 10. 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: +3V_BAT GND CLRTC PIN 1 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 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 button cell battery and short the two pins again to clear the CMOS RTC RAM data. After clearing the CMOS, reinstall the button cell battery. DCD TXD GND RTS RI RXD DTR DSR CTS 11. COM Port header 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. COM PIN 1 AGND NC SENSE1_RETUR SENSE2_RETUR 12. 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 connector to avail of the motherboard's high-definition audio capability. PORT1L PORT1R PORT2R SENSE_SEND PORT2L AAFP PIN 1 HD-audio-compliant pin definition 1-4 Chapter 1: Product Introduction

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1-4
9. USB 2.0 headers
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.
DO NOT connect a 1394 cable to the USB connectors. Doing so will damage the
motherboard!
The USB 2.0 module is purchased separately.
10. 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 button cell battery and short the two
pins again to clear the CMOS RTC RAM data. After clearing the CMOS, reinstall the button
cell battery.
11. COM Port header
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.
12. 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 connector to avail of the motherboard’s high-definition
audio capability.
PIN 1
USB+5V
USB_P1-
USB_P1+
GND
NC
USB+5V
USB_P2-
USB_P2+
GND
+5V DC
Data(negative)
Data(positive)
Groud
PIN 1
CLRTC
+3V_BAT
GND
PIN 1
PIN 1
COM
DCD
TXD
GND
RTS
RI
RXD
DTR
DSR
CTS
PORT1L
PORT1R
PORT2R
SENSE_SEND
PORT2L
AGND
NC
SENSE1_RETUR
SENSE2_RETUR
AAFP
PIN 1
HD-audio-compliant
pin definition
Chapter 1: Product Introduction