Re: ULTRA ATA/100 announced

From: Andre Hedrick (andre@linux-ide.org)
Date: Tue Jun 06 2000 - 09:25:54 EST


This is a not related to the simple announcement of new feature support.
I have run out of marshmellows, but the roast continues :-((

On Tue, 6 Jun 2000, Anthony Barbachan wrote:

> > And scsi just works, at least in my experience. (As long
> > as cabling is within spec, at least.) IDE users seems to
> > have some "don't use this disk with that chipset at
> > those dma speeds" issues that I never hear about with scsi.
> > And such issues comes up over and over everytime there is a
> > new IDE standard. New scsi standards seems to be less trouble,
> > you automatically get the speed of the slower device without
> > those spectacular hangs.
> >
> > Helge Hafting
>
> I've noticed the absolute opposite. IDE is the one that usually just works
> or doesn't work. And even when it doesn't work that can usually be traced
> down to a bad cable, a very unusual event itself. And in this respect SCSI
> itself seams to be much more sesitive to cable problems. I have encountered
> a lot of bad SCSI cable so far and only one bad IDE one (obvious at that as
> it was torn) despite all the computers that have passed by me, which also
> were overwelmingly IDE. Because of this you are practically force to go out
> and buy supossedly super high quality SCSI cables that can go for around $50
> in order to avoid problems. Then you also have the extra complexity of SCSI
> which adds to the areas in which possible errors can arise termination which
> depends on how your SCSI bus is setup, 15 ID number selections, crappy
> connectors (especially SCSI 2), incompatable bus types (i.e. LVD vs
> UltraWide), etc. IDE because of its much simplier design usually limits
> most of these configuration problems down to one jumper either master or
> slave (and even that should not be relevent on some machines that use cable
> select, though I have yet to see one of these myself).
>
>
>
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Andre Hedrick
The Linux ATA/IDE guy

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