Date: Mon, 26 May 1997 11:32:05 -0400 From: Matt Thomas <matt@3am-software.com> To: Stefan Esser <se@FreeBSD.ORG> Cc: scsi@FreeBSD.ORG Subject: Re: Oddness with NCR53C810 Message-ID: <3.0.1.32.19970526113205.00715fc4@ranier.altavista-software.com> In-Reply-To: <19970526134212.20835@x14.mi.uni-koeln.de> References: <19970524124625.07596@keltia.freenix.fr> <Pine.BSF.3.95.970523204439.567A-100000@why> <19970524102943.GO37893@uriah.heep.sax.de> <19970524124625.07596@keltia.freenix.fr>
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At 01:42 PM 5/26/97 +0200, Stefan Esser wrote: >The NCR/Symbios SCSI chips are: > >810 the original, 8bit, FAST >810a improved version of the 810, more efficent on the PCI bus >815 810 with BIOS support >860 810a with Ultra-SCSI support > >820 810 with support for WIDE SCSI >825 improved 820 with BIOS support >825a improved 825 with on-chip 4KB RAM >875 825a with Ultra-SCSI support >876 dual 875 885 multifunction 875 and fast ethernet (10/100) >895 875 with Ultra-2 support (40MHz sync. + LVD) > >The Sym53c876 allows to put two Ultra-WIDE SCSI channels on one PCI >card, without the need for a PCI to PCI bridge. This is better than >an Adaptec 3940 with two SCSI chips behind a PPB, since it is cheaper >and avoids the latency and complexity introduced by the PPB ... The Sym53c885 uses the same philosophy and puts a Fast Ethernet and UltraWide SCSI on one PCI chip. (I'm going to write a driver for the Fast Ethernet function.) -- Matt Thomas Internet: matt@3am-software.com 3am Software Foundry WWW URL: http://www.3am-software.com/bio/matt.html Westford, MA Disclaimer: I disavow all knowledge of this message
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