https://www.amiga-shop.net/en/Amiga-Hardware/Amiga-replacement-parts/CSG-391155-01-GAYLE-chip::1036.html
CSG 391155-01 (GAYLE) chip - Amiga - Amiga Shop
CSG 391155-01 (GAYLE) chip: CSG 391155-01 (GAYLE) is a control chip for the Amiga 600 of Commodore. 01-GAYLE CSG 391155-01 New and unused
csggaylechipamigashop