Date: Tue, 6 May 2003 19:25:24 +0200 From: "Simon L. Nielsen" <simon@nitro.dk> To: "Jin Guojun [NCS]" <j_guojun@lbl.gov> Cc: hardware@freebsd.org Subject: Re: Intel GigE and copper PHY supported? Message-ID: <20030506172523.GE428@nitro.dk> In-Reply-To: <3EB7EBB6.3038C32E@lbl.gov> References: <BADD2D59.2C6B6%joe@via.net> <3EB7EBB6.3038C32E@lbl.gov>
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[-- Attachment #1 --] On 2003.05.06 10:07:03 -0700, Jin Guojun [NCS] wrote: > joe mcguckin wrote: > > > I'd like to use the TYAN Trinity GC-SL motherboard with on-board GigE > > (copper). Does anyone know if this is supported? Has anyone used this board > > with 4.X? > > > > Thanks, > > Do not have direct use of this motherboard. We have some similar M/Bs > from SuperMicro (same chipset and same GigE NICs). > > General M/B performance is good. The GigE is not too pleasure. > The Incoming TCP is about 350 Mb/s, and out going TCP is only 270, > which is limited by interrupt (98% CPU -- 2.8 GHz -- used for interrupt). > Either the driver or the Intel NIC is not functioning properly, but we do not > have time to investigate. If this the chips a using the em(4) driver you can try turning on interrupt coalation (or whatever Intel calls it). It can (AFAIR) only be done by modifying sys/dev/em/if_em.h. Just note the warning about why it was disabled. -- Simon L. Nielsen [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.1 (FreeBSD) iD8DBQE+t/AD8kocFXgPTRwRAkkMAJ0UH/nfGsN9HmUaRL5c/66y0OhsygCfTLit 6tdzwgPQ+tKY4Kmv8Ouav50= =Vfzw -----END PGP SIGNATURE-----
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