Message-Id:	<3.0.16.19910226193321.2d2f1e34@tellus.swip.net>
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To:	opendos AT delorie DOT com
From:	Bernie <bernie AT mbox302 DOT swipnet DOT se>
Subject:	Re: udma-100 and some thoughts about dos
Mime-Version:	1.0
Date:	Tue, 27 Feb 2001 18:39:37 +0100
Reply-To:	opendos AT delorie DOT com

"White Dragon" wrote:
>I have a 20gb ata66 drive which is supposed to reach peaks of 66 mb. Well,
>actually my WD 7200rpm doesn't exceed 25mb/sec in writing/reading. And an
>IBM 7200 rpm reachs 30mb/sec. Isn't it a waste of money?

ATA-100 (aka UDMA-100) is the maximum speed. Test your CD and see if it
*always* has the speed that it was sold as, I doubt any CD can keep up.
Besides ATA-100 is still true, from the cache on the HD (in the 1-2MB
range) - they never specified anything else for it.
//Bernie

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