Source files:

motherboard.sch Eagle schematic
motherboard.brd Eagle board layout


Gerber files:

motherboard.drl Drill rack data
motherboard.drd Excellon drill description
motherboard.dri Excellon drill tool description
motherboard.cmp Component side data
motherboard.sol Solder side data
motherboard.plc Component side silk screen data
motherboard.stc Component side solder stop mask data
motherboard.sts Solder side solder stop mask data
motherboard.gpi Gerber photoplotter information data

Ancilliary files:

motherboard.xls Parts list
motherboard.csv Parts list as comma-separated variables
motherboard.pov 3D POVray rendering file
motherboard.pro Eagle autorouter output
readme          This file