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Xref: sserve comp.sys.ibm.pc.hardware.networking:1759 comp.os.386bsd.development:2014 Newsgroups: comp.sys.ibm.pc.hardware.networking,comp.os.386bsd.development Path: sserve!newshost.anu.edu.au!harbinger.cc.monash.edu.au!bunyip.cc.uq.oz.au!pandora!sysseh From: sysseh@devetir.qld.gov.au (Steve Hocking) Subject: Re: Excelan 82586-based ethernet card Nntp-Posting-Host: orion.devetir.gov Keywords: Excelan, 82586, I/O address, FreeBSD References: <1994Apr23.132033.3744@fasterix.frmug.fr.net> <1994Apr24.013323.3850@bnr.ca> <2pktrg$fvp@u.cc.utah.edu> Sender: usenet@devetir.qld.gov.au (Network News) Organization: DEVETIR, QLD, AUSTRALIA Date: Thu, 28 Apr 1994 00:08:06 GMT Message-ID: <sysseh.767491686@pandora> Distribution: "world" Lines: 29 terry@cs.weber.edu (Terry Lambert) writes: >In article <1994Apr24.013323.3850@bnr.ca> devouges@bnr.ca (Gary Devouges) writes: >[ ... Excellan ethernet cards -- from the decription EXOS 205T's ... ] >This are actually real, real neat cards. >First, they can do bus-mastering DMA, which means you don't have to deal >with making your main processer puch the bits. >Second, and most importantly, you can download a full TCP/IP stack to >them; in fact, I had a DECNet stack for one of these puppies under ISC >UNIX, at one time. I used them under Microport V/AT (Sys V.2 for the 286, for all you young 'uns) and they worked quite well. They could certainly keep a disk busy with incoming data (but with the svr2 fs, that's not saying much). It was also incredible how well they ran on a box with 2.6Mb of memory. >Finally, with the stack (or pieces of it) on the card, the card *does not >cause bus interrupts unless the packets are actually for you*. This is >a *wonderful* feature! > Terry Lambert > terry@cs.weber.edu >--- >Any opinions in this posting are my own and not those of my present >or previous employers.