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My experience with 90 min CDRs on the DC is as follow:
I burned an VCD which covered a whole 90 min CD (yes, i know VCD's don't have error correction and you gather additional ~100MB) and the CD is FULL to the MAX. I threw it into the Dreamcast VCD Player and it played through the whole movie without errors or anything. For me it's proof that the DC can read 90 min CDR's, because if it wouldn't, i wouldn't been able to watch the movie to the end, right ? K. I think the DC isn't able to read 99 min. CDR's because anything that goes beyond 90 minutes has negative LBA Values. And i don't think the DC will read LBA's with values like -98 or whatever.
Another one:
I ripped AITD4 from the GD and made it selfboot using the 45000 LBA method. (2 Audio Tracks, binhacked ip.bin). I had to downsample/remove almost the whole movies and the .XA files, but it worked on a 80 min. CDR. Later i tried the same with a 90 min. CDR, with less downsampling/removing files, but cdrecord didn't let me burn beyond the 700mb mark. Ok, i created an CDI Image with DiscJuggler (45000 Audio in 1st session, game data in the 2nd) and manually copied/pasted the 32768 bytes of the bootstrap data (from the first working copy, see above) into the CDI (to the same offset like in the first working copy) which i wanted to get onto the 90min cdr. OK, burning went fine but my DC wasn't even able to find a bootsector (no SEGA Logo appears after the swirl). I dunno if this is related to the 90min cdr, i have absoluteley no clue....
P.S. Does anyone know how EXACTLY the BIN2BOOT method works ? I mean game data before audio data etc...
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