> On May 30, 2018, at 11:11 AM, Camiel Vanderhoeven via cctalk > <cctalk@classiccmp.org> wrote: > > Depending on your definition of small, the MicroVAX 1, and the VAX 8000 > series (not that small). In both cases though, the ROM chips are a custom DEC > design. Didn't the 780 get its microcode loaded by the console LSI-11? And the 730 used bit slice processors (AMD 2901) as I recall, so that had to have its microcode external. paul
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