Date: Wed, 28 Dec 2005 19:39:57 -0500 From: Martin Cracauer <cracauer@cons.org> To: Danial Thom <danial_thom@yahoo.com> Cc: freebsd-questions@freebsd.org, Jiri Mikulas <konfer@mikulas.com>, Ian Lord <mailing-lists@msdi.ca> Subject: Re: PCI-E 1x network adapter Message-ID: <20051228193957.A83703@cons.org> In-Reply-To: <20051210164306.39668.qmail@web33301.mail.mud.yahoo.com>; from danial_thom@yahoo.com on Sat, Dec 10, 2005 at 08:43:06AM -0800 References: <7.0.0.16.2.20051209043008.04db6550@Msdi.ca> <20051210164306.39668.qmail@web33301.mail.mud.yahoo.com>
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> > >I'm looking for PCI-Express 1x network adapter > > for FBSD-6 > > >I found adpaters only for PCI-X in > > documentation, > > >on google I didn't find much more :(... > > > > > >Is there any PCI-E adapter supported ? > > >Could you recommend me any adapter, plase ? > > >Thanks for reply. > > >Jiri > > > > We use Intel's dual ports gigabit adapters in > > dell's servers with > > freebsd 6 without any problem. > > > > They are supported by the "em" driver > > Note that 1x PCI-E isn't fast enough to fully > support gigabit speeds. Its about equivalent to > running on a 32bit bus performance-wise. You need > 4x to get full gig performance. No. PCI 32bit/33MHz is max 132 MB/sec. Here's PCIe speed: x1 5 Gbps 4 Gbps (500 MB/sec) x4 20 Gbps 16 Gbps (2 GB/sec) x8 40 Gbps 32 Gbps (4 GB/sec) x16 80 Gbps 64 Gbps (8 GB/sec) Martin -- %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% Martin Cracauer <cracauer@cons.org> http://www.cons.org/cracauer/ FreeBSD - where you want to go, today. http://www.freebsd.org/
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