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Article #1064

Re: Is it possible to actually get a 16 MB/sec data transfer rate w/ an EIDE drive?

#1064
From: Ron Reaugh
Date: Tue, 02 Dec 1997 00:00
43 lines
2437 bytes


see.my.sig.4.addr@no.damn.spam.com wrote in article
<34819d72.9334338@news.jps.net>...
> On Sun, 30 Nov 1997 13:55:25 GMT, bob@lintilla.demon.co.uk (Bob
> Cousins) wrote:
> 
> >In demon.tech.pc, Zypher wrote:
> >
> >>UltraDMA (the latest standard-forget EIDE also known as Ultra ATA or
Ultra
> >>33) can give a 33mb/sec transfer rate...but in real life its about
> >>20mb/sec-not bad.
> >>
> >>If you want real speed-go with Ultrawide AV SCSI or higher like I have
> >>(true 40mb/sec contionous, used for video capture, servers and the
like)
> >
> >It's funny how people with SCSI systems often seek to put down EIDE, and
at the
> >same time make ridiculous performance claims for SCSI. Maybe its because
they
> >have paid twice as much for their disk storage, and feel a need to
justify its
> >cost, even if by inventing performance figures?
> >
> >If the Seagate Cheetah can do 14-21 MB/sec, I doubt you are seeing
continuous
> >40MB/sec. The fact is in a typical workstation, SCSI offers little or no
benefit
> >to the overall performance of the system. If you don't believe me, see
> >http://www8.zdnet.com/pcmag/pclabs/report/r960702a.htm.
> 
> With a single HDD running a single app, sure EIDE is going to be the
> same.  The difference is that SCSI is multithreading. 

So is busmastering EIDE so long as only one device per cable is active
simultaneously.

Regards,

Ron Reaugh
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From: "Ron Reaugh" <Ron-Reaugh@worldnet.att.net>
Subject: Re: Is it possible to actually get a 16 MB/sec data transfer rate w/ an EIDE drive?
Date: 1997/12/02
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Organization: MBR International
Newsgroups: comp.sys.ibm.pc.hardware.storage,comp.sys.ibm.pc.hardware.misc,comp.sys.ibm.pc.hardware.chips,demon.tech.pc,alt.comp.hardware