Well, the 6280a has only been documented as being in the first Core Grafx and the SGX (which came out around the same time). Never had reports of it being in the Duo, CGII, Duo-R/RX or the TG16 and original white PCE. No idea about the handhelds or the "shuttle".
Topic: Diff sound chip in coregfx? (Read 620 times)
