SL6.1 would not recognize the BCM57780 GigE adapter in my laptop.  After 
much googling I discovered a workaround.  Simply run:

modprobe -r broadcom
modprobe -r tg3
modprobe broadcom
modprobe tg3

and it will magically appear.  I put these commands into /etc/rc.local 
so it happens automatically at bootup.

This is not an SL specific problem but rather that of TUV, just thought 
I would mention it here in case someone else ran into the issue.

As a side note, I also had to install the broadcom-wl package from 
atrpms to get WLAN working.

Jeff