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But even the pad bytes are exact and known to both sides before the xfer takes place, correct? 1/25/02 8:49:43 AM, "Hale Landis" <[EMAIL PROTECTED]> wrote: >This message is from the T13 list server. > > >On Fri, 25 Jan 2002 08:25:12 -0700, Pat LaVarre wrote: >>This message is from the T13 list server. >>.... I'm not clear myself on why Windows UDma connections to >>actual Cd-rw drives appear to work mostly ... > >My guess is they work because (good grief, could this be true?) >that the Windows CD applications and OS device drivers for CD >devices understand that the current commaand (the current SCSI >CDB) tells them how much data will be transferred by the command >and they set up their I/O buffers and the DMA data transfer >hardware appropriately? > > > >*** Hale Landis *** www.ata-atapi.com *** > > > >Subscribe/Unsubscribe instructions can be found at www.t13.org. > Subscribe/Unsubscribe instructions can be found at www.t13.org.
