> It's been working fine for 6 months and now this.  The only thing I've 
> changed is I've added 16 megs bringing the system up to 20megs and it tests 
> out fine.
> 
> system:
> 486DX2-66 (intel)
> 20megs
> 256 cache
> Adaptec 1542cf
> IDE
> 
> Anyone?
NetBSD/i386 and Adaptec (currently) doesn't support more than 16Mb.
Someone recently wrote about patches making the system do bounce buffers.
Look back in the mailing-list archives, and request the patches, or
take out 4Mb

regards
kim