From owner-freebsd-questions Mon Mar 4 17:07:40 1996 Return-Path: owner-questions Received: (from root@localhost) by freefall.freebsd.org (8.7.3/8.7.3) id RAA14216 for questions-outgoing; Mon, 4 Mar 1996 17:07:40 -0800 (PST) Received: from Root.COM (implode.Root.COM [198.145.90.17]) by freefall.freebsd.org (8.7.3/8.7.3) with SMTP id RAA14206 for ; Mon, 4 Mar 1996 17:07:29 -0800 (PST) Received: from localhost (localhost [127.0.0.1]) by Root.COM (8.6.12/8.6.5) with SMTP id RAA19135; Mon, 4 Mar 1996 17:05:35 -0800 Message-Id: <199603050105.RAA19135@Root.COM> X-Authentication-Warning: implode.Root.COM: Host localhost didn't use HELO protocol To: Clary Harridge cc: freebsd-questions@freebsd.org Subject: Re: SMC EtherPower pci bus FDX transfer rate problem In-reply-to: Your message of "Tue, 05 Mar 1996 10:33:40 +1000." <199603050033.KAA25040@s4.elec.uq.edu.au> From: David Greenman Reply-To: davidg@Root.COM Date: Mon, 04 Mar 1996 17:05:34 -0800 Sender: owner-questions@freebsd.org Precedence: bulk >Further to my previous mail on the topic > > FreeBSD / samba transfer rate problem > >I find that my problem is due poor performace from >the SMC EtherPower 10BaseT PCI Ethernet adapter that is in our >samba server. This is a Full Duplex card which connects, via UTP, >to a Kalpana Etherswitch running in full duplex mode. The 'de' driver doesn't currently support full duplex mode. >Transfer rates are of the order of 10 Kbyte/sec. I would expect it to >be at least 450 Kbyte/sec, as I can achieve that with a 16 bit ISA bus >SMC 8013EPC. > >Has anyone used the SMC EtherPower successfully together with the >`de' device driver (for the Digital Equipment DC21040)? Yes, of course. That's what we were using in wcarchive before changing to an SMC 9332 (100Mbps, DC21140). >Is the `de' device driver capable of driving the SMC EtherPower >in full duplex mode? No. -DG David Greenman Core-team/Principal Architect, The FreeBSD Project