MSI PT880 User Guide - Page 34

Hardware Setup GND +12V Sensor Fan Power Connector: CPUFA1 The CPUFA1 (processor fan) supports system cooling fan with +12V. It supports three-pin head connector. When connecting the wire to the connectors, always take note that the red wire is the positive and should be connected to the +12V, the black wire is Ground and should be connected to GND. If the mainboard has a System Hardware Monitor chipset onboard, you must use a specially designed fan with speed sensor to take advantage of the CPU fan control. CPUFA1 MSI Reminds You... Always consult the vendors for proper CPU cooling fans. 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 1 9 JAUD1 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 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. 6 10 59 2-13