CF Ethernet for FreeBSD?

2009-11-30 Thread Brett Glass

Everyone:

I'm working on an embedded system which will be using a small Intel 
Atom motherboard with a single Ethernet port. The problem is, some 
configurations of the system are going to need two Ethernet ports, 
and only available ports on the system are a few USB slots and a CF 
(CompactFlash) socket.


FreeBSD has drivers for several types of USB-to-Ethernet 
converters, but USB is a pretty inefficient way of doing Ethernet. 
So, I'm interested in finding out if anyone knows of an Ethernet 
interface which will plug into the CF socket and has drivers for 
FreeBSD. Please let me know; any help would be MUCH appreciated!


--Brett Glass

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Re: CF Ethernet for FreeBSD?

2009-11-30 Thread Olivier Nicole
Hi,

 So, I'm interested in finding out if anyone knows of an Ethernet 
 interface which will plug into the CF socket and has drivers for 
 FreeBSD. Please let me know; any help would be MUCH appreciated!

Not to mentione FreeBSD drivers, but only finding an Ethernet
interface that plugs into a CF sockets seems very chalenging: you
don't really send/receive the same information to memory and to
network interface; CF can address GB of data, while the network card
has a few KB at best; etc.

Good luck,

Olivier
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Re: CF Ethernet for FreeBSD?

2009-11-30 Thread Brett Glass

At 05:13 PM 11/30/2009, Olivier Nicole wrote:


Not to mentione FreeBSD drivers, but only finding an Ethernet
interface that plugs into a CF sockets seems very chalenging: you
don't really send/receive the same information to memory and to
network interface; CF can address GB of data, while the network card
has a few KB at best; etc.


CF sockets usually can act as sockets for ATA/IDE compatible disk 
drives as well as for PCMCIA-like peripheral cards.


Also, there are some Ethernet interface chips that are designed to 
be memory-mapped. See, for example, the one by ASIX, which is often 
used in embedded systems because it can interface with pretty much any CPU.


--Brett Glass

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