Date: Thu, 31 Jul 2003 11:12:27 -0400 (EDT) From: Kenneth Culver <culverk@yumyumyum.org> To: Dan Nelson <dnelson@allantgroup.com> Cc: Buckie <freebsd1@centrum.cz> Subject: Re: Ultra ATA card doesn't seem to provide Ultra speeds. Message-ID: <20030731110954.J85113@alpha.yumyumyum.org> In-Reply-To: <20030731150401.GB57250@dan.emsphone.com> References: <200307311219.h6VCJLVG053962@spider.deepcore.dk> <20030731145115.GA57250@dan.emsphone.com> <20030731150401.GB57250@dan.emsphone.com>
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> http://www.maxtor.com/en/products/scsi/atlas_10k_family/atlas_10k_iv/index.htm > "maximum sustained data transfer rate up to 72MB/sec." > > http://www.seagate.com/cda/products/discsales/enterprise/family/0,1086,530,00.html > Lists not only sustained transfer rate, but tells you the center and > edge platter speed range > > http://ssddom01.hgst.com/tech/techlib.nsf/techdocs/966AE18147C20C8587256BF100656F41/$file/HGSTUltrastar146Z10.PDF > Also lists center/edge sustained speeds > > Guess I just didn't look hard enough or in the right place. I only spent a minute or 2 on it, but yeah ATA drives don't tell you that sort of thing, they say stuff like "ATA133 for a max transfer rate of 133 MB/sec *" then at the bottom the * says something like "133 MB/sec burst rate from drive to controller" or something similar. But I did try fairly hard to find specs on our Seagate drives and couldn't find a hard number that told what the maximum read and write speeds were. Ken
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