What does it do? ~~~~~~~~~~~~~~~~ This version has the following features: - Region free: boot GD/CD from any regions. I just reused some parts of his BIOS to inject the devkit intro into mine. Kudos to Link83 for providing the 1st retail BIOS using the devkit intro (AFAIK). It is based on the retail BIOS v1.01d and has the devkit intro. _ Dreamcast Custom bootROM v1.030 DevKit by japanese_cake _ What is that? ~~~~~~~~~~~~~ It is a modified BIOS for the SEGA Dreamcast. Note you will need a BIOS replacement as the stock has read-only access.

Till then I hope you enjoy as much as I did flashing ym Dreamcast this evening. Also disabled the VGA check so no more need to force VGA for games that work normally but only with the 'VGA trick' and has all the normal mods like region free. It is really useful for Dreamcast ODE users as it allows images to have any LBA of the 1ST_READ.BIN (aka the Dreamcast EXE) to make games much smaller, see README below. So I figured this should be posted as it is an amazing BIOS MOD for an amazing system. The BIOS files needed are: dc_boot.bin, dc_flash.bin. The Sega Dreamcast is a 6th generation home video game console released. Is there a Dreamcast Region-Free BIOS? And using an custom BIOS require replacing the SEGA MASK ROM chip with an 2 megabyte FLASH. And the KATANA target box boot animation is sexy enough to be interesting to have.ĭownload Dreamcast Bios For Use With Dreamcast PC Emulators With a region free BIOS you can for example, set the swirl as BLUE to match a PAL system casing and controllers and still have it to output NTSC video. The problem lies on the fact that you're required to connect 12v to the reset pin of the flash chip to override the write protection and that configuration will cause damage to the flash chip in long term. You can't switch 'whenever you wanted' because the change requires to de-protect the secure part of the flash (permanent settings) and run a disc.

Bios And Flash For Dreamcast Rom