Dump GD ROM with SD card and DC

Dears friends

We can dump a GD ROM to GDI format from DC disc with SD reader and DC, but could we dump evry GD ROM like disc from Naomi, Chihiro or Triforce with this method.

After use GDI builder for extraction?

Thanks

 

Yep, a Dreamcast is perfectly capable of dumping a Naomi/Chihiro/Triforce GD-ROM. However the data of these type of discs are encrypted, so you'll need to dump the key with a pic-dumper: https://www.assemblergames.com/forums/showthread.php?19454-Sega-Naomi-Security-Pic-Dumper

 

Thanks

Des key already decrypted : http://members.iinet.net.au/~lantra9jp1/gurudumps/naomi/index.html

We can use it?

 

It's safe to assume when the DES key is already available, the GD-ROM image is as well. However if you ran across a undumped (or BETA) release on GD-ROM, you'll also need to dump the key yourself.

All the NAOMI GD-ROMs that are out there for play on emulator (or netboot) have most likely been dumped using a Dreamcast, and the key with the key dumper.

 

But it's all (I see) in .bin format? not on GDI? We can dump to .bin with DC?

 

.bin files are the individual disc tracks.
A .gdi file is like a .cue file from bin/cue dumps on other platforms like PC. The .gdi just tells the software about track01.bin, track02.raw, etc.

As long as you have the track information, you can make a .gdi file afterwards if your dumper doesn't do it for you.