Chuck McManis <cmcmanis@mcmanis.com> posted a bunch of useful info
about the DELQA and its variants.  Thanks!

> DEQNA's [...]  They are unique in that they
> can allegedly change their MAC address by replacing an on board PROM.

Should be possible on the DELQA as well.  Both the turbo and non-turbo
ones that I've seen have a socketed PROM for the address.  I think both
the DEQNA and DELQA use an 82S23 PROM (32 bytes) for this, though I
haven't tried swapping them.