Re: Recommendation for 1000BASE-SX card?

The intel cards that use the EM driver are the
best performing cards in FreeBSD that we've
tested. We've test cards made by the same company
that use the broadcom controllers and the intel
cards are substantially better (ie use less CPU
passing the same amount of traffic).

Be careful using on-board controllers. Usually
vendors, for some reason, don't wire them to the
pci-x bus. Most supermicro boards wire the em
controllers to the 32bit/33mhz bus and the tyan
and supermicro opteron boards we've tested wire
the broadcoms to a shared 1x PCI-E, both of which
will not only give you poor performance, but are
not capable of running full gigabit rates.

DT

--- YTResearch <ytresearch@xxxxxxxxxx> wrote:

We are running the S4882-D and it has the
Broadcom GB dual adapter
built in (recognized as <Broadcom BCM5704C Dual
Gigabit Ethernet,
ASIC rev. 0x2003>). It seems to work without
problems and we've run
both to two different networks (right now
running only one). We are
connecting at 100baseT so I don't have
experience running at GB
speeds. I'm not detecting any network
bottlenecks at all and I've
been watching very carefully due to stability
problems. We are
running 6.0 RELEASE amd64 SMP 4/8 CPUs 8 GB.

I don't know if the 2882 is identical in
architecture but if so,
strongly recommend NOT using 6.0 and trying
6.1. We are panicing
daily and experience about 4 minutes a day
downtime. Never have had
FreeBSD be so unstable in 7 years.

On May 31, 2006, at 2:22 AM, Heinrich Rebehn
wrote:

Hi list,

can anyone recommend a 1000BASE-SX ethernet
adapter for PCI-X slot,
that
is well supported by FreeBSD-amd64?.
I want to use it in a TYAN Thunder K8SD Pro
(S2882-D) board.

TIA,

Heinrich Rebehn

University of Bremen
Physics / Electrical and Electronics
Engineering
- Department of Telecommunications -

Phone : +49/421/218-4664
Fax : -3341

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