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=== J990 connector ===
This connector is used mainly to add new features to IGEPv2 using a Expansion. WIFI/BT combo is not avalaible in [[Frequently Asked Questions and Their Answers#Which_revision_is_my_IGEPv2_board.3F|some versions]].<br> Using this expansion connector you have access to McBSP1, McBSP3, I2C2, MMC2(8 bits), nReset and REGEN signals from OMAP Processor. The interface is at 1.8V on all signals. Only 1.8V CMOS levels are supported. DO NOT expose the header to 3.3V.<br>J990 connector is [http://beagleboard.org/ BeagleBoard] compatible expansion connector.<br>IGEPv2-NOWIFI board is fully compatible. Other IGEPv2 board versions need software configuration to disable wifi interface and others because of shared hardware lines.<br>MMC2 interface is used by wifi module.<br>McBSP3 interface is used by PCM TPS65950 interface.<br>
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