Re: Trust ISA Ethernet (NE2000) anyone?

[Ken Yap <ken@syd.dit.csiro.au>]

>Our NE2000 image is 16k (using latest netboot, 0.5.4) but we
>want to program on 64k EPROMS because these are half the price
>of 32k ones, and 16k are just not available it seems.
>
>Firstly, is it possible to use the 16k image on a 64k EPROM? (Our
>Genius NE2000 card seems to support 64k EPROMs.)
>
>Secondly, do they program the image at 0x0000 or 0xc000 in the EPROM?
>You say, "top quarter" -- does that mean from 0xc000 thru 0xffff then?

It actually depends on the card I should have warned. I believe the pin
in the 32k EPROM is one that's normally held high in the 16k EPROM and
I think this is the case for the top address line in the 64k EPROM too,
but the safest way is to burn two copies or four copies of the image
respectively.