[quote]Originally posted by ozrica:
.....which would allow my DVD and CDRW drives to be Primary Master and Secondary Master thus potentially allowing them to run at maximum speed.
Darren
, has answered your question, but if this is your problem have a look at your busmaster drivers (whatever chipset) and look for any bios updates for your mb, these can often be the cause of 'unexplained' speed differences.
Newer boards seem to support different speed devices better on the same channel, presumably newer and better southbridge chips but you can't say all by a long way
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