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Very expensive 6K of RAM 7
Each of the Intel C1101A 256-bit (yes, bit) RAM chips on this board cost the equivalent of $300 apiece in 1971.
Each of the Intel C1101A 256-bit (yes, bit) RAM chips on this board cost the equivalent of $300 apiece in 1971.
Where is this from?
They dont make em like they used to .
S-100 bus?
At least this tech has become infinitely cheaper. I rework plenty of CCAs made in the 80s that are covered in relays, 70 or 80 on a single board. These relays still cost ~$150 a piece.
Gotta love these early PCBs where the traces were literally hand-drawn and transferred to a mask.
I used to generate masks using Autocad back in the days. I’m glad we have some powerful EDA-CAD capture/layout tools today!
Hand laid tracks, a thing of beauty.
Are those porcelain sockets?
i was so proud when my memory upgrade gave my apple 2e 128k of ram.