Network connection dropping

[max22]

Hi!

my network connection drops after a while using leopard 10.5.6.

I'm using viarhine.kext on a asrock 4coredual motherboard.

A possible workarounds is setting cpus=1 at bootup, but this isn't relly an option.

Any hints?

max22

PS: Sorry, for crossposting, but maybe anybody here has an idea

--edit:
ah, just found http://www.infinitemac.com/f5/network-lan-t648/