Path: utzoo!utgpu!attcan!uunet!lll-winken!ames!mailrus!cornell!uw-beaver!tikal!sigma!quick!srg From: srg@quick.COM (Spencer Garrett) Newsgroups: comp.dcom.lans Subject: Re: Token Ring (was: Re: Info on LANs) Message-ID: <295@quick.COM> Date: 6 Jan 89 11:07:56 GMT References: <12786@cup.portal.com> <920001@hposdl.HP.COM> <10777@s.ms.uky.edu> <327@belltec.UUCP> Organization: Quicksilver Engineering, Seattle Lines: 14 In article <327@belltec.UUCP>, jim@belltec.UUCP (Mr. Jim's Own Logon) writes: -> At Bell Technologies, we have AT -> compatible cards using a LANCE and one using a 82586. Measuring end to end -> throughput, the 82586 card clearly outperforms the 8390 (LANCE). But this -> is because the 82586 card has a 16 bit interface to the dual port memory. I'm -> sure something similar is present in the Mr. Jacobson's test. -> ... -> P.S. Everything I have heard about the chip level bugs of the LANCE make it -> something to run far away from, especially if you are the code pig that -> has to do the driver. Ahem. The 8390 is a National part, and is indeed buggy. The LANCE is an AMD part (Am7990), has a 16-bit DMA interface, and is about as bug-free as they come.