PDP-8 core memory problems.

Mattis Lind mattislind at gmail.com
Mon Sep 5 17:26:27 CDT 2016


måndag 5 september 2016 skrev Jon Elson <elson at pico-systems.com>:

> On 09/05/2016 01:59 PM, Mattis Lind wrote:
>
>>
>> I have now concluded that the fault is in the core memory module itself.
>> The sense winding is broken on bit plane 7.
>>
>>
>> Have you actually ohmed out the sense/inhibit wire?


Yes. I have measured at at the tabs where the red arrow points in the image
below:

http://i.imgur.com/x5VVh2F.jpg

Unfortunately I am pretty sure that this will rule out pulse transformers
or whatever.

/Mattis


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