21 Dec
2018
21 Dec
'18
3:03 a.m.
It could be a prototype that never made it to production, internal
automated test gear or a bespoke job.
Rod
On 21/12/2018 10:49, Mattis Lind via cctalk wrote:
There is an auction for some kind of early DEC module.
It appears to be a
bit slice of MB, AR and MQ. There is also a signature by Gordon Bell on the
board.
But I cannot figure out which early machine it comes from.
https://www.ebay.com/itm/Vintage-DEC-6205-Arithmetic-Registers-Circuit-Boar…
The same seller has several other pre Flip-Chip modules like 4706 Teletype
Receiver. If I read correctly the transistors are dated 1963-1964.
https://www.ebay.com/itm/Vintage-DEC-4706C-8-Bit-Teletype-Receiver-Circuit-…
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