Etched in copper MADE IN TAIWAN IGS PCB-0419-01-GG Lots of surface mount chips (flash?) with igs on them .42 27c210 stickered BIOS .43 27c4096 stickered V100 U43 .62a 27c160 (address 0x0000000 - 0x0003FFFF) stickered V100 U62 .62b 27c160 (address 0x0040000 - 0x0007FFFF) stickered V100 U62 .62c 27c160 (address 0x0080000 - 0x000BFFFF) stickered V100 U62 .62d 27c160 (address 0x00C0000 - 0x000FFFFF) stickered V100 U62 .62 62a+62b+62c+62d .29a 27c160 (address 0x0000000 - 0x0003FFFF) stickered WAVE U29 .29b 27c160 (address 0x0040000 - 0x0007FFFF) stickered WAVE U29 .29c 27c160 (address 0x0080000 - 0x000BFFFF) stickered WAVE U29 .29d 27c160 (address 0x00C0000 - 0x000FFFFF) stickered WAVE U29 .29 29a+29b+29c+29d Saved in jedec format .33 Atmel F22VC10 stickered GG U33A .50 Atmel F22VC10 stickered GG U50A .73 Atmel F22VC10 stickered GG U73A .74 Atmel F22VC10 stickered GG U74A WinROMIdent v1.05 ============================ igs.62c:[8AAF4FEB] Not Found! ============================ igs.43:[BCF3B172] Not Found! ============================ igs.29a:[1FC80C13] Not Found! ============================ igs.29c:[7F2BB79B] Not Found! ============================ igs.42:[517CF7A2] Not Found! ============================ igs.62a:[BC55837] Not Found! ============================ igs.62b:[F601BEC4] Not Found! ============================ igs.62d:[D67F5804] Not Found! ============================ igs.29b:[E396D507] Not Found! ============================ igs.29:[51ACB395] Not Found! ============================ igs.29d:[718BAA63] Not Found!