Re: ATA 66 controler card?

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Article #584

#584

From: DrWhom
Date: Thu, 08 Feb 2001 11:23

52 lines
3328 bytes

This should be interesting Rod Speed v Ron Reaugh.

Any bets.


Ron Reaugh wrote:
> 
> Rod Speed wrote in message <3a81c7fc@news.iprimus.com.au>...
> >
> >Ron Reaugh <Ron-Reaugh@worldnet.att.net> wrote in message
> >news:7W6g6.14953$vh.646408@bgtnsc05-news.ops.worldnet.att.net...
> >> Rod Speed wrote
> >>> David Z <bzyk@bigpond.net.au> wrote
> >
> >>>>>> In which case, wouldn't ATA/66 become ATA/67?
> >
> >>>>> Nope.
> >
> >>>> Umm, yes.
> >
> >>> Umm, nope.
> >
> >>>> 66.66666 rounds up to 67.
> >
> >>> Pity its 66.00000 which doesnt.
> >
> >> NOPE,  it's 66.66....66
> >
> >Nope. Not the ATA66 specs it aint.
> 
> You're mistaken.
> 
> > Plenty of motherboards do
> >actually use 66.66...666 but thats not what the ATA66 specs specify.
> 
> Provide a URL.

Seagate says 66.6 here 
http://www.seagate.com/support/kb/disc/ata_to_ultraata66.html
"The ATA-5 specification adds Ultra DMA modes 3 (44.4 Mbytes/sec) and 4
(66.6 Mbytes/sec) to the previous PIO modes 0-4, DMA modes 0-2, and
Ultra DMA mode 2."

Western Digital say 66.6 here 
http://www.wdc.com/products/drives/drivers-ed/ata66tp.html
"DMA Mode 2 at 16.6 MB/s in 1994 
Ultra ATA/33 at 33.3 MB/s in 1997 
Ultra ATA/66 at 66.6 MB/s in 1999 "

However the big question is what Quantum say (since Quantum developed
ata/66)

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Subject: Re: ATA 66 controler  card?
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