Chad Mynhier <mynhier@cs.utk.edu> writes:

> 	I recently purchased 4 4M SIMMs and installed them into 
> my 486 running NetBSD-1.1.  After installing the memory, I got 
> segmentation faults from vi, man, less, getty, and login.  I've 
> read that this is indicative of bad memory, so I returned the 
> memory.  I received replacements and got the same behavior.

It would help if you detailed what's in the machine.

One thing that may be related is that some 486 motherboards are known
to not handle caching above 16MB correctly.