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Hi there,
sorry for bad english. I tried to copy SafeDisc2 protected CD's (Plextor 12/10/32A) and this Discs only play on the burner. But why is this so? I figuered out that the Sectors 118-130 f.e. have unreadable data if you try to read this disc in any other drive but the burner can read this sector. this has surely nothing to do with the capability of reading or writing subchannels, as safedisk(1+2) don't use subchannels. otherwise the iomega 8x4x32x can't copy this disc, cause this burner can't read subchannels full, but this burner make true 1:1 copys, working on every cd-rom. i think the protection has something to do with the errorcorrection or the mode, the sector was written with... it can SURELY be beaten by software, as i can't see why this can be a Hardware-issue. the plextor 121032A can write a disc that plays on the burner only, but i'm sure, this will change as soon as the mechanism of this protection is understand fully
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20-12-2000, 12:47
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