DEC Pro 350/380 Memory Cards - Interchangeability?

Mattis Lind mattislind at
Tue Aug 30 02:07:54 CDT 2016

> I misremembered the 350 (I don't have one): it can have memory in the I/O
> card cage, but it also has memory daughter cards, two of them, with 40 pin
> connectors.
Many years ago I upgraded those daughter cards and changed them from using
64kbit chips to 256 kbit chips. I don't remember the exact type which I
used. It was very successful. The system went from 512kbyte total to 1280
kbyte total. There were no stability issues what I remember so the refresh
seemed to have worked fine.

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