I am a fully licensed supplier.BALLY GAME SHOW -SOUND SET (3 chips)SKU: SND-GAMEC$36.00PriceQuantityAdd to CartBALLY ROMSSET OF 3 (U14.L2/U19.L1/U20.L1) TECH SPECSBally: Game Show ROM Revisions Game Version L-3 U26 : Checksum: 7C4E U27 : Checksum: 913E Sound Version L-2 U4 : Checksum: D85C Speech Version L-1 U19 : Checksum: 685A U20 : Checksum: 1558 PROGRAMMING NOTE: Check the filesize of the ROM image to confirm what size EPROM to use: Size EPROM (size) ------- ------------- 131,072 27C010 (128K) 65,536 27512 ( 64K) 32,768 27256 ( 32K) 16,384 27128 ( 16K) 8,192 2764 ( 8K) 4,096 2732 ( 4K) ROM REMOVAL & INSTALLATION INSTRUCTIONS https://www.pinballrom.com/_files/ugd/0a3635_1f0af8ba09644eb78d30e50f112cf374.pdfWILLIAMS SOFTWARE LICENSE https://www.pinballrom.com/_files/ugd/0a3635_523e61bbc4f04fb5985c60266a76c1e2.pdf