Date: Mon, 13 Sep 1999 00:31:48 +0100 From: Scott Mitchell <s.mitchell@computer.org> To: Andre Albsmeier <andre.albsmeier@mchp.siemens.de> Cc: FreeBSD-mobile@FreeBSD.ORG Subject: Re: Recommendation for a GOOD 100 MBit Ethernet card wanted Message-ID: <19990913003148.29772@lungfish.freeserve.co.uk> In-Reply-To: <19990908064231.A1059@internal>; from Andre Albsmeier on Wed, Sep 08, 1999 at 06:42:31AM %2B0200 References: <19990905192333.A34635@internal> <Pine.BSF.4.10.9909071535540.55118-100000@resnet.uoregon.edu> <19990908064231.A1059@internal>
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On Wed, Sep 08, 1999 at 06:42:31AM +0200, Andre Albsmeier wrote: > On Tue, 07-Sep-1999 at 15:36:03 -0700, Doug White wrote: > > On Sun, 5 Sep 1999, Andre Albsmeier wrote: > > > > > I am looking for a 100MBit Ethernet card for use with 3.2-STABLE which > > > does perform better than the "Intel EtherExpress(TM) PRO/100 PC C". > > > Currently, I am using this one with the xe driver, but performance is > > > rather bad (about 1.2 MBytes/sec). According to if_xe.c, this is due > > > to the way the card is handled by the driver: > > > > > > * Note that the crappy PIO used to get packets on and off the card means that > > > * you will spend a lot of time in this routine -- I can get my P150 to spend > > > * 90% of its time servicing interrupts if I really hammer the network. Could > > > * fix this, but then you'd start dropping/losing packets. The moral of this > > > * story? If you want good network performance _and_ some cycles left over to > > > * get your work done, don't buy a Xircom card. Or convince them to tell me > > > * how to do memory-mapped I/O :) > > > > ISA or PCI? > > PCMCIA :-) Sorry, I thought, this would have been clear since the post > went to -mobile :-). As the author of that comment in the xe driver I should probably step in here. I could be wrong, but I suspect you'll be SOL finding a 100Mbit PCMCIA card that gives anything approaching 100Mbit performance. CardBus would be another story, but support for that is still limited. The 10/100 PCMCIA cards are nice, in that they'll attach to a mixed or 100Mbit-only network, and give you a bit of extra bandwidth. I wouldn't expect much more than that though. I'm happy to be corrected on this -- anyone out there have experience with any other such cards? Cheers, Scott -- =========================================================================== Scott Mitchell | PGP Key ID | "Eagles may soar, but weasels Cambridge, England | 0x54B171B9 | don't get sucked into jet engines" s.mitchell@computer.org | 0xAA775B8B | -- Anon To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-mobile" in the body of the message
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