Looking for a Broadcom BCM5704 datasheet

Don Bowman don at sandvine.com
Fri May 14 12:22:10 PDT 2004


From: Ruslan Ermilov [mailto:ru at freebsd.org]
> On Fri, May 14, 2004 at 09:40:07AM -0700, Paul Saab wrote:
> > Ruslan Ermilov wrote:
> > 
> > >Dear networkers,
> > >
> > >I'm looking for a Broadcom BCM5704[S] technical datasheet. 
>  If anyone has
> > >such a beast, or knows how one could obtain it, please let me know.
> > >
> > > 
> > >
> > As john pointed out, you can only get this under NDA from 
> broadcom.  
> > What exactly are you trying to solve?  I have the latest 
> documentation 
> > so I may be able to help you, but I can't give you the docs.
> > 
> We hoped that with dual-channel NIC we could be able to just move
> the received frame from one port for TX on another port, to overcome
> the 32-bit PCI bus speed limitation, to get better thoroughput with
> GigE.  Bill Paul already explained in private that they are actually
> two distinct SRAMs, and the operation we needed is not supported
> (without PCI involved).
> 

I believe it is 64-bit 133MHz PCI-X.


More information about the freebsd-net mailing list