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Which supplier implements this algorithm or is it fantasy or is it to shift discussion from the topic at hand. Which is, how are the W/R commands being used today. I see responses thus far useful, but then again there is some non-sense as usual. On 3/12/02 11:11 AM, "Hale Landis" <[EMAIL PROTECTED]> wrote: > This message is from the T13 list server. > > > My favorite R/W Long implementation: > > 1) Report that the drive has only 4 ECC bytes in the ID data (even if > it has 200 ECC bytes). > > 2) Host does a Write to LBA N: everything normal so far. > > 3) Host does a Read Long to LBA N: return the cached data for LBA N > plus four ECC data bytes of random data (whatever is in the Data > register FIFO will do). > > 4) Host does a Write Long to LBA N: execute the command and discard > all data received. > > 5) Host does a Read to LBA N: return the cached data for LBA N. > > Is this a broken drive? No, how can it be broken? The host put data > in LBA N and the drive returned the same data. > > > > *** Hale Landis *** www.ata-atapi.com *** > > >
