MSI KT880 User Guide - Page 33

MS-7047 ATX 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. JUSB1 / JUSB2 2 10 1 9 JUSB1 & JUSB2 Pin Definition PIN SIGNAL 1 VCC 3 USB0- 5 USB0+ 7 GND 9 Key (no pin) PIN SIGNAL 2 VCC 4 USB1- 6 USB1+ 8 GND 10 USBOC 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. JAUD1 9 1 10 2 JAUD1 Pin Definition PIN SIGNAL DESCRIPTION 1 AUD_MIC Front panel microphone input signal 2 AUD_GND Ground used by analog audio circuits 3 AUD_MIC_BIAS Microphone power 4 AUD_VCC Filtered +5V used by analog audio circuits 5 AUD_FPOUT_R Right channel audio signal to front panel 6 AUD_RET_R Right channel audio signal return from front panel 7 HP_ON Reserved for future use to control headphone amplifier 8 KEY No pin 9 AUD_FPOUT_L Left channel audio signal to front panel 10 AUD_RET_L Left channel audio signal return from front panel MSI Reminds You... If you don't want to connect to the front audio header, pins 9 5 5 & 6, 9 & 10 have to be jumpered in order to have signal output directed to the rear audio ports. Otherwise, the Line- Out connector on the back panel will not function. 10 6 2-18