I know I read a MS document comparing RAID performance on UDMA66, among
other things.  I believe it said that UDMA66 bandwidth is maxxed out between
2 and 3 IDE drives (assuming some RAID hardware in there).  The secondary
issue is PCI bus speed at 33MHx/32bit is getting very weak for today's
systems.  <Yeah, I know about 64bit/66MHz PCI but it's got its own problems>

Matt

> -----Original Message-----
> From: Guillaume Rousse [mailto:[EMAIL PROTECTED]]
> Sent: Thursday, August 10, 2000 4:50 PM
> To: [EMAIL PROTECTED]
> Subject: Re: [expert] Harddisk speed with UDMA66
> 
> 
> Chris Slater-Walker a �crit :
> > 
> > As Inderstand it, there is very little difference between 
> UDMA33 and UDMA66
> > when there is a single disk on the IDE channel.
> Yes, because maximum speed reached by actual disks is just 
> sufficient to
> fill UDMA33 spec :-)
> 
> -- 
> Guillaume Rousse
> Iremia - Universit� de la R�union
> 
> Plus petites unit�s de mesure 
> - de longueur : le millim�tre
> - de volume : le millilitre
> - d'intelligence : le militaire
> 

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