Date: Wed, 25 Feb 1998 20:19:49 -0600 From: Karl Denninger <karl@mcs.net> To: dg@root.com Cc: FreeBSD Hackers <hackers@FreeBSD.ORG> Subject: Re: "Best" Fast Ethernet Card Message-ID: <19980225201949.25898@mcs.net> In-Reply-To: <199802260213.SAA16197@implode.root.com>; from David Greenman on Wed, Feb 25, 1998 at 06:13:53PM -0800 References: <19980225201118.40285@mcs.net> <199802260213.SAA16197@implode.root.com>
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On Wed, Feb 25, 1998 at 06:13:53PM -0800, David Greenman wrote: > >> >> The recently released 3com Fast Etherink XL (rev B) 3C905B NIC is the best money > >> >> can buy (apart from server cards costing upwards of 250UKP). > >> >> It has lower CPU usage than any other card, helping it to give the fastest > >> >> performance. > >> > >> The 3Com 3c905 driver in FreeBSD uses the card in compatibility mode (non- > >> DMA programmed I/O) and is thus the slowest/highest overhead board that we > >> support. The Intel PCI Pro/100B and Pro/100+ are the fastest/lowest overhead > >> boards that we support, followed by the DEC boards. I haven't measured the > >> performance of the new SMC cards, but I doubt that it is any lower overhead > >> than the Intel cards. > > > >The SMC cards *ARE* DEC chipsets. > > The key word in the above is "new". The SMC9432TX uses the SMC83c170 > chip, NOT the DEC chip. We have preliminary support for it in the 'tx' > device driver. > > >Is there a difference between the PRO/100B and PRO/100+? > > The Pro/100+ uses the 82558 chip, which has an integrated PHY. It is > software compatible and performs identically to the Pro/100B. > > -DG > > David Greenman > Core-team/Principal Architect, The FreeBSD Project Thanks. So the only card to "beware of" is the PRO/100A, which isn't supported? -- -- Karl Denninger (karl@MCS.Net)| MCSNet - Serving Chicagoland and Wisconsin http://www.mcs.net/ | T1's from $600 monthly to FULL DS-3 Service | NEW! K56Flex support on ALL modems Voice: [+1 312 803-MCS1 x219]| EXCLUSIVE NEW FEATURE ON ALL PERSONAL ACCOUNTS Fax: [+1 312 803-4929] | *SPAMBLOCK* Technology now included at no cost To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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