Hi,

Thanks for your answers

So if i understand, v1.01c is a unique BIOS version and v1.004, v1.01d and v1.022 represent the only all BIOS versions for retail Dreamcast (including US/JP/PAL models) ?

Regards.

Hi everybody, I search about the different released BIOS version of retail Dreamcast (not DevKits). I found those version exist : v1.004, v1.01c, v1.01d, v1.022. I think that the v1.022 is the "non MILCD" BIOS, the last BIOS update from SEGA. But i ask myself, if there early versions, for ...