# `C02`: Beatmania IIDX 9th Style * Compatible main PCB: [`KNM-???`](../boards.md#knm-???) * Compatible IO: [GEC02-PWB(A)A](../io.md#GEC02-PWBAA) * Compatible card reader: [Magnetic card reader](../io.md#magnetic-card-reader) ## Software revisions * `A` * `B` * `C` * `D` * `E` * `F` * `G`