This message is from the T13 list server.
On Fri, Jul 29 2005, Alexander Krebs wrote: > This message is from the T13 list server. > > > Hi all, > > Could anybody please explain why the Features registers hold the > sector count whereas the Sector Count registers hold the tag for the > READ/WRITE FPDMA QUEUED commands? This looks weird to me. I can only guess for historic reasons, legacy queueing with READ/WRITE_DMA_QUEUED also have that register layout. And yay for the FUA bit in the FPDMA commands, if only we could finally get one of the reserved bits as an ORDERED bit SATA could finally be as useful as SCSI for ordered writes. -- Jens Axboe
