Dreamcast System Cheats
Hold A + B + X + Y and press Start in most games to do a soft reset.
|Delete Internal Memory Settings|
Hold A + B + X + Y and turn on the Dreamcast. Then, release the buttons after the date/time prompt appears.
Note: This will not affect your VMU memory and will only reset internal information, such as date, time, and Dreamcast Network settings.
No Gameshark Dreamcast System Hacks found.