Dave McGuire writes:

> On June 25, Matthew Jacob wrote:
>> > But the first VAXen weren't microprocceor based. 
>> 
>> 2901 based, IIRC.
> 
>   The VAX-11/730 is 2901-based.  The 750 uses custom gate arrays.  I
> believe the 780 was mostly TTL but I don't really remember. 
> 
>        -Dave McGuire

Yes, the 780 was mostly TTL.  Tons of it. 

Ken Seefried, CISSP