# `GEC02-JA`: Beatmania IIDX 9th Style hardware conversion kit 9th Style cabinets were essentially just upgrades from any cabinet with [twinkle](../board.md#twinkle) based hardware. * List of officially supported products to be upgraded * `GQ863` * `GC983` * `GC985` * `GC992` * `GCA03` * `GCA17` * `GCB4U` * `GCB44` * `GCC44` * Contents * Eamuse compatible * Main PCB: [KNM-???](../boards.md#knm-???) * IO: [C02 IO](../io.md#c02-io) * Card readers: [C02 magnetic card readers](../io.md#c02-magnetic-card-readers) * Cabinet artwork