> Will MNENG2.SYS or MNENG3.SYS work with the DS90TL? Do they 
> require more  memory than MNENG1.SYS?

Yes, I think they do. (Actually, I have no idea about MNENG3.SYS
as I've never heard of it.

> So, does anybody have MNENG1.SYS for me to try or know a lot 
> more about this and let me know where I am going wrong?

DNPG have rearranged their website (http://www.dnpg.com) and
their "legacy products" section seems to be unresponsive.
Once it comes back up you may be able to find some firmware
and manuals there. In the meantime there is at least one
copy of the Owner's Manual on the net at:
http://cmcnabb.cc.vt.edu/dec94mds/dsrveom1.pdf

I think that this load image used to appear on the CONDIST
(software distribution) CDs that DEC used to produce, but
it was not on any that I just looked at.

Antonio
 
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Antonio Carlini             arcarlini@iee.org