Here's an album of pictures from this year's VCFMidwest

Hardware
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ADM 4K dram pre 1977.
ADM+ post 1977 16K dram
People like me forget, it was the low cost CPU’s and Dynamic memory that
made the ‘GOLDEN AGE’ of micro computers.

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512 x 250 @ 1 bit fits nicely into 16KB, which also conforms to the “128,000 bit graphics RAM” (15.625 KB) stated in the RG-512 manual.
(According to the ad, it’s “128K bits of NMOS dynamic RAM” for a “512 x 250 grid” and “Tektronix® Plot 10™ software compatibility” or text modes of 24 x 80 or 35 x 73 characters.)

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A post was split to a new topic: A PDP11/23 restored, and Tek graphics on V100 and ADM-3A

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Here’s a delightful half an hour of moving images from VCFMidwest, by LGR:

(Tour starts at about 6:00.)

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