Dumping NR discs?

Discussion in 'Nintendo Game Development' started by drx, Nov 17, 2007.

  1. lilly

    lilly Active Member

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    Exactly the same message by me, it's certainly a question of firmware...
     
  2. drx

    drx BLAST PROCESSING. SITE SUPPORTER 2015

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    Could you elaborate on that? What LG drive? How did he hotswap it?
     
  3. Dot50Cal

    Dot50Cal Moderator

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    Yeah, please elaborate. Everything I've seen with NR discs and retail cube games says they are incompatible with the various methods to rip the two. Since the Wii uses the same system essentially, you really need to expand on that!
     
  4. crediar

    crediar Rapidly Rising Member

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    well we were talking about RVT-R Disc and how to dump them, I tried it on the wii with some drivechip modifications but due the way the sectors are number on the RVT-R Disc it didn't work.

    So I looked around the internet for some information about my DVD drives I got lying around, but couldn't find anything usefull. Except that the famous LG drives use a vendor CMD that starts with 0xE7 "HIT", HIT as in HITACHI and I still had an old (10 years) Hitachi DVD-ROM lying around.
    So I tried the CMDs there without any luck, then I looked for some firmware update for it and looked through the binary and found three vendor CMDs within it, one of them allowed me to dump the firmware and from there on started RE'ing it.

    Currently I can easily disable ECD checks for WiiDisc and RVT-R Disc this allow me to read sectors with the normal 0x28/0xA8 ReadSector command, but then I'm missing six bytes per sector. I found another CMD which allows me to dump the first 0xCF sectors RAW which I could unscramble with the tool by xt5.
    Shouldn't take too long untill I can completly dump Wii- and RVT-R Discs.

    It's a Hitachi GD-2500 one of the first DVD-ROMs, I also setup a wiki with all information I gathered http://crediar.no-ip.com/gd25k/ .
    Once I got it working I will release a tool which will be able to dump WiiDiscs/RVT-R Discs with that drive.
     
    Last edited: Feb 7, 2009
  5. beretta85

    beretta85 Peppy Member

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    So your friend was able to do it with an LG drive, and you're able to do it with this Hitatchi drive as well? Good luck making that tool. Cant wait to try it when youre done.
     
    Last edited: Sep 22, 2008
  6. WIIMODDER

    WIIMODDER Guest

    Hi, i have a rvt reader but i dont have any rvt-r disk to try it, the first menu is like the ndev but i cant do anything. Im thinking about opening it and changue the drive for a wii retail one. I can try to dump rvt disks but i need the disks and some help with that.
     
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