[Info-vax] Why it is a good idea that OpenVMS isn't on x86-64 just yet

[Norm Raphael]

 > On 01/18/16, Hans Vlems via Info-vax<info-vax at info-vax.com> wrote:
 > 
> John, what on earth did you do wrong to deserve that???
> The TU58 was probably cheap, certainly less expensive than the RX02 on the 11/780 along with its LSI-11.
> The 11/750 had to be slower than the 11/780 because DEC had announced an entry level VAX. 
> The gate array technology was rather new and I think 
> engineering was pleasantly surprised with the end result. Marketing must have felt a different emotion...
> The 11/750 cpu ran slower than the 11/780. At 0.6 VUPS it was twice as fast as the 11/730. 
> Its only advantage was its small size, roughly a pdp 11/40 cabinet, a lot smaller than the 
> 11/750 and no a/c required.
> Two TU58 drives didn't really help either.

 
TU58's used the DISK DRIVER, not the tape driver, so they blocked disk I/O when in use.  Slow doesn't 
really convey it.


 Norman F. Raphael
"Everything worthwhile eventually 
degenerates into real work." -Murphy