intpcb2.cmp - Top layer
intpcb2.crc - Top layer pads
intpcb2.crs - Bottom layer pads
intpcb2.l2 - Inner layer supply plane
intpcb2.l3 - Third inner layer
intpcb2.l4 - Fourth inner layer
intpcb2.l5 - Fifth inner layer
intpcb2.sol - bottom layer
intpcb2.stc - top layer solder mask
intpcb2.sts - bottom layer solder mask
intpcb2.plc - top layer silkscreen
intpcb2.pls - bottom layer silkscreen
intpcb2.drd - Drill file
intpcb2.dim - Outer dimension file
intpcb2.drl - Drill size list