84 Chapter 5
Front USB Connector
The front USB connectors (JUSB1, JUSB2, and JUSB3), compliant with Intel(R) I/O Connectivity Design
Guide, is ideal for connecting high-speed USB interface peripherals such as USB HDD, digital cameras, MP3
play connects to high-speed USB interface peripherals.
Chassis Intrusion Connector
The chassis intrusion connector (JCI1) connects to the chassis intrusion switch cable. If the chassis is opened,
the chassis intrusion mechanism will be activated. The system will record this status and show a warning
message on the screen. To clear the warning, you must enter the CMOS setup utility and clear the record.
Front Panel Auido Connector
This connector allows you to connect the front panel audio and is compliant with Intel(R) I/O Connectivity
Design Guide.
HD Auido Pin Definition
Pin Signal Pin Signal
1VCC 6USB1+
2VCC 7GND
3 USB0- 8 GND
4 USB1- 9 Key (no pin)
5 USB0+ 10 USBOC
Pin Signal Description
1 MIC_L Microphone- Left channel
2 GND Ground
3 MIC_R Microphone- Right channel
4 NC No control
5 LINEout_R Analog Port-Right channel
6 MIC_JD Jack detection return from front panel microphone
JACK1
7 Front_JD Jack detection sense lin from the High Definition
Audio CODEC jack detection resistor network
8 NC No control
9 LINEout_L Analog Port-Left channel
10 LINEout_JD Jack detection return from frontpanel JACK2
JCI1
1
2
GND
CINTRU
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