Problem with DEC LSI11 / KD11-F

Mattis Lind mattislind at
Sun Nov 30 05:24:40 CST 2014

2014-11-30 3:48 GMT+01:00 Glen Slick <glen.slick at>:

> For what it's worth these are the versions that I have on my M7264-YB,
> which is also non-functional:
> E53 21-15579    Data Chip (ceramic)
> E58 2007-C      Control Chip (ceramic)
> E63 23-003B6    ROM Chip 1 (ceramic hybrid dual chip package)
> E70 23-004B5    ROM Chip 2 (plastic)
> E75 23-005B5    KEV11 (ceramic)

Then you have the newer revision of the board. The sockets for CPU chips on
my board is E41, E47, E52, E56 and E65.

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