Which PDP?

dvcorbin at optonline.net dvcorbin at optonline.net
Wed Mar 23 10:03:38 CST 2005


> >>>>> "curt" == curt  <@ Atari Museum" <curt at atarimuseum.com>> writes:
> 
> curt> You should also consider if you want a Unibus system (even
> curt> numbered) or a Qbus system (odd numbered) ..
> 
> Huh?  You can't deduce the bus type from the parity of the model
> number.
> 
> 11/03, 23, 73, 83 are Qbus
> 11/04, 05, 10, 15, 20, 35, 40, 45, 55, 60, 70, 74, 84 are Unibus
> 
>       paul
> 
>

Actually that would be the "modulus 2"  not parity. 

03-even 23-odd 73-odd etc...




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