Article View: comp.sys.mac.hardware.storage
Article #44Re: Comparisons of 2-gig AV drives?
From: Mark Schultz
Date: Tue, 31 Oct 1995 21:04
Date: Tue, 31 Oct 1995 21:04
28 lines
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2299 bytes
In <475nuh$45n@noc.tor.hookup.net>, Richard Whitehouse <cvanderb@toronto.cbc.ca> writes: >>If you are looking for an Ultra SCSI 3 drive (Fast 20) then, you'd >>first need a Fast-20 SCSI adaptor (like an Adaptec 2940UW). Two of >>the best 2 GB Ultra SCSI drives are the Seagate Barracuda 4LP >>(ST32171) and the Quantum Atlas II (XP32181). Add "W" to the end of >>the vendor part numbers if you need an Ultra Wide drive (40MB/sec). > >These numbers that you mentioned (20MB/Sec and 40MB/sec) are not >sustained-throughput rates, I just wondered whether you were aware >of that. They are probably burst-mode rates, or perhaps they are >the maximum capability of the bus. Some manufacturers like Seagate >do not like to tell you what their sustained throughput numbers are, >they would rather mention burst-mode numbers because they sound more >impressive. Micropolis are at least honest enough to tell you what >their real sustained throughput rates are. Be aware that these >drives will not be capable of sustained throughput *anywhere near* >those numbers. The sustained throughput will probably be somewhere >between 5MB/sec and 10MB/sec. > Check out www.macromedia.com/Brain/New.media/Articles/Digitalvideo.html for a thorough review of the latest A/V drives. Me, the fact that I work on these things probably qualifies my opinion as biased, but I like our (IBM) drives. Mark Schultz [mschultz@watson.ibm.com] or [mds@henry.ece.cmu.edu] Guitar, Sound Engineering, Ultimate, SFB, Corvettes, Magnetics, and The Lord Jesus Christ. NOT in that order. This .SIG subject to change at any time.
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Path: arc1-ca.pugleaf.net!watnews.watson.ibm.com!usenet From: mschultz@watson.ibm.com (Mark Schultz) Newsgroups: comp.sys.mac.hardware.storage,comp.periphs.scsi,rec.audio.pro Subject: Re: Comparisons of 2-gig AV drives? Date: 31 Oct 1995 21:04:56 GMT Organization: IBM T.J. Watson Research Center Message-ID: <47631o$17mq@watnews1.watson.ibm.com> References: <cart-2610951329360001@pm037-09.dialip.mich.net> <474rgd$pib@news2.ios.com> <475nuh$45n@noc.tor.hookup.net> Reply-To: mschultz@watson.ibm.com (Mark Schultz) NNTP-Posting-Host: mimiciii.watson.ibm.com X-Newsreader: IBM NewsReader/2 v1.2