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Andy, thanks for all that, but I knew it already. Point is, if SparQ is not a DMA mode capable drive, it doesn't matter if the system has Ultra-Ultra DMA Mode one billion. It won't use it. It will use a non-DMA driver and do I/O using an old PIO mode. BTW, most systems are still too old to even be using DMA mode 2 or bus mastering, and so are CPU bound at high I/O rates. You did a lot of jawboning to refute my thesis that those bogus numbers are real. Why don't you look at a trade rag or two. This month's Windows Sources or Computer Shopper are instructive. The highest score for a "high-end disk" WinBench is around 5MB/sec. That's on a state of the art system using Raid 0 and 16MB cache. Andy, most people won't touch that performance for 3 more years. Joe average SparQ user, like Joe average Jaz, ORB, Sy-whatever user, simply won't see anything like the speeds boasted on the specs. Period. End of story. If you don't believe me, believe those who do it for a living. Or that fellow on the SYQT thread who, like me, believes in actual testing, rather than swallowing spec sheets whole. |
