MSI 975X PLATINUM User Guide - Page 34

MS-7246 Mainboard Front USB Connectors: JUSB1 / JUSB2 The mainboard provides two standard USB 2.0 pin headers JUSB1/ JUSB2. USB 2.0 technology increases data transfer rate up to a maximum throughput of 480Mbps, which is 40 times faster than USB 1.1, and is ideal for connecting highspeed USB interface peripherals such as USB HDD, digital cameras, MP3 players, printers, modems and the like. Pin Definition 2 10 1 9 JUSB1 / JUSB2 (USB 2.0/standard spec) PIN SIGNAL 1 VCC 3 USB0- 5 USB0+ 7 GND 9 Key PIN SIGNAL 2 VCC 4 USB1- 6 USB1+ 8 GND 10 USBOC Important Note that the pins of VCC and GND must be connected correctly, or it may cause some damage. Front Panel Audio Connector: JAUD1 The JAUD1 front panel audio connector allows you to connect to the front panel audio and is compliant with Intel® Front Panel I/O Connectivity Design Guide. 2 10 JAUD1 1 9 Pin Definition PIN SIGNAL DESCRIPTION 1 PORT 1L Analog Port 1 - Left channel 2 GND Ground 3 PORT 1R Analog Port 1 - Right channel 4 PRESENCE# Active low signal - signals BIOS that a High Definition Audio dongle is connected to the analog header. PRESENCE# = 0 when a High Definition Audio dongle is connected. 5 PORT 2R Analog Port 2 - Right channel 6 SENSE1_RETIRN Jack detection return from front panel JACK1 7 SENSE_SEND Jack detection sense line from the High Definition Audio CODEC jack detection resistor network 8 KEY Connector Key 9 PORT 2L Analog Port 2 - Left channel 10 SENSE2_RETIRN Jack detection return from front panel JACK2 2-18