Monday, September 25, 2017

Dec (Digital Equipment Corp) clone vendor K&T or KT boards


I encountered and my acquire a pile of DEC boards from KT or K&T (one paper tag mentioned this).

It's a vendor that currently doesn't ring a bell (will update this when figured out).

There a large pile of probably custom system boards, and a board with 32k x 17 bits + 64k x 17 bits  (4116 and 4164 chips resp.) in the pile.

Also several boards with 6820 and 6800 processors on  Flip Chip boards.

All are hex high boards.  Some have 4 populated connectors with two flip chip spots blank, some have 5 (skipping one of the possible power slots).

Photos below, taken quickly today.

has 6800

6800





has a cpu on it, also 6800

the 6800




IIRC these are 6820s

the 6820s


the parallel i/o 6820s










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