DECstation 3100 & SCSI info
G.Pavlov
pavlov at hscfvax.UUCP
Wed Mar 22 05:00:22 AEST 1989
Reply-to: pavlov at hscfvax.UUCP (G.Pavlov)
In article <85751 at felix.UUCP>, rsp at ok.DEC.COM (Ricky Palmer) writes:
[ very good information re SCSI in the DECStation 3100; thanks. ]
> And boy does this little box push the data around fast"!!!
>
> --- Ricky Palmer Ultrix Advanced Development
> --- Digital Equipment Corporation
> --- Nashua, New Hampshire
> --- ... One of the fathers of PMAX ...
One thing that I noticed in playing with the DECStation is that it pushes
data to/from disk much slower than our MIPS M/120-5 (the "mother" of the
PMAX ???). I have been told/read that DEC did not implement DMA. Is this
true, would this be the reason ? More to the point, did DEC do anything re
speeding up disk i/o in the new DECSystems ?
thanks, greg pavlov, fstrf, amherst, ny
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