RE: Looking for a Broadcom BCM5704 datasheet

2004-05-14 Thread John Polstra
On 13-May-2004 Ruslan Ermilov wrote:
 
 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.

Broadcom only provides them under NDA.

John
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Re: Looking for a Broadcom BCM5704 datasheet

2004-05-14 Thread Paul Saab
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.
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Re: Looking for a Broadcom BCM5704 datasheet

2004-05-14 Thread Ruslan Ermilov
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).

Thanks to everyone who replied!


Cheers,
-- 
Ruslan Ermilov
[EMAIL PROTECTED]
FreeBSD committer


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RE: Looking for a Broadcom BCM5704 datasheet

2004-05-14 Thread Don Bowman
From: Ruslan Ermilov [mailto:[EMAIL PROTECTED]
 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.
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