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Path: euryale.cc.adfa.oz.au!newshost.carno.net.au!harbinger.cc.monash.edu.au!news.rmit.EDU.AU!lynx.aba.net.au!munnari.OZ.AU!news.ecn.uoknor.edu!news.wildstar.net!serv.hinet.net!nctuccca.edu.tw!voyager.iii.org.tw!bsdpc1.iii.org.tw!c811052 From: c811052@bsdpc1.iii.org.tw (Chih-Cherng Chin) Newsgroups: comp.unix.bsd.freebsd.misc Subject: Re: two LAN cards Date: 4 Sep 1996 00:40:41 GMT Organization: SEEDNET InterNetNews News System Lines: 16 Message-ID: <50ij69$d6d@voyager.iii.org.tw> References: <Dx04Fn.B3o@racoon.riga.lv> <509tp6$8rf@uriah.heep.sax.de> <322BB8BB.CEF@OntheNet.com.au> NNTP-Posting-Host: 140.92.2.2 X-Newsreader: TIN [version 1.2 PL2] Tony Griffiths (tonyg@OntheNet.com.au) wrote: : On my machine- : device ed0 at isa? port 0x340 net irq 10 iomem 0xd8000 vector edintr : device ed1 at isa? port 0x300 net irq 5 iomem 0xd8000 vector edintr If you've got performance problems, it may be due to your conflict iomem setting. I'm no expert about NE2000, but I think it works in programmed I/O mode, not shared memory mode. The presence of the iomem keyword might indicate the use of a multiple packet buffer, when there's a burst of incoming packets. Thus the conflict iomem setting might corrupts data, which results in retransmission. You can modify your iomem setting, see if that improve network performance. Chih-Cherng Chin elmo@iii.org.tw