MSI 790GX User Guide - Page 30
Front Panel Connectors: JFP1, JFP2, CD-In Connector: JCD1
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MS-7576 Mainboard Front Panel Connectors: JFP1, JFP2 These connectors are for electrical connection to the front panel switches and LEDs. The JFP1 is compliant with Intel® Front Panel I/O Connectivity Design Guide. JFP1 10 Power Switch + Power LED 2 9 + Reset - Switch - HDD 1 +LED JFP2 +8 7 Speaker + 21 Power LED JFP1 Pin Definition PIN SIGNAL 1 HD_LED + 2 FP PW R/SLP 3 HD_LED - 4 FP PW R/SLP 5 RST_SW - 6 PW R_SW + 7 RST_SW + 8 PW R_SW - 9 RSVD_DNU DESCRIPTION Hard disk LED pull-up MSG LED pull-up Hard disk active LED MSG LED pull-up Reset Switch low reference pull-down to GND Power Switch high reference pull-up Reset Switch high reference pull-up Power Switch low reference pull-down to GND Reserved. Do not use. JFP2 Pin Definition PIN SIGNAL 1 GND 2 SPK- 3 SLED 4 BUZ+ 5 PLED 6 BUZ- 7 NC 8 SPK+ DESCRIPTION Ground SpeakerSuspend LED Buzzer+ Power LED BuzzerNo connection Speaker+ CD-In Connector: JCD1 This connector is provided for external audio input. JCD1 2-16 L GND R