CODEC Motherboard Manual Version 1.3 Page 42 of 66 April 12, 2016CODEC Motherboard19.3 Power LINK JumpersEach power rail between the motherboard and the daughter card passes through a Link jumper.If this jumper is removed, the power connection is completely disconnected. These jumpers areuseful as a point to measure power rail supply current, or to substitute external power directly tothe device on the daughter card with no connection at all to any component on the motherboard.On newer revisions of the EVB motherboard, the LINK jumpers are a red color plastic.Jumper SupplyName Jumper SelectionLINK2 VDDC Removing jumper completely disconnects DC path for VDDC from motherboardLINK3 VDDA Removing jumper completely disconnects DC path for VDDA from motherboardLINK4 VDDB Removing jumper completely disconnects DC path for VDDB from motherboardLINK5 VDDSPK Removing jumper completely disconnects DC path for VDDSPK from motherboardTable 2: POWER LINK JUMPERSFigure 24: POWER LINK JUMPERS