> We have a DEC alpha personel workstation 600au. The network card is
You probably must tell the software that it is there. Unfortunately, I
do not know how to do it in Unix. OpenVMS, yes. Unix, no.
Assumption is that when you say the "Old Network Card" you mean the
built unit that lives in the upper left hand corner of the rear of the
box beside the sound card. If this is so, then unplugging it does
absolutely nothing because the the actual network device is a chip on
the motherboard and the card is just it's connector to the outside world.
What makes you think that the old network 'card' is defective?