BPK-72 or Bubble Memory Dummy Module + Seed Module

[allison]

On 10/09/2018 02:42 PM, dwight via cctech wrote:
> CHM has these in their collection. Where are you located at? They don't look really complicated. I'd think one could make one if they had a schematic.
>
> Dwight
>
>
> ________________________________
> From: cctalk <cctalk-bounces at classiccmp.org> on behalf of Josh via cctalk <cctalk at classiccmp.org>
> Sent: Monday, October 8, 2018 9:42:22 AM
> To: General Discussion: On-Topic and Off-Topic Posts
> Subject: WTB: BPK-72 or Bubble Memory Dummy Module + Seed Module
>
> Currently working on restoring some bubble memories and I'm looking for
> some modules originally included in Intel's BPK-72 development kit,
> specifically the Dummy Load module and the Seed module.
>
> http://archive.computerhistory.org/resources/still-image/Intel/intel.dummy_seed_modules.102652232.lg.jpg
>
> These are used for testing a bubble memory system as well as repairing
> bubble modules which have had some sort of failure which requires manually
> re-seeding them.
>
> I have all the parts I need to work with the modules, I'm just missing
> these parts. The manual shows the schematics, component values, and layouts
> of both of these modules, so I can fabricate them myself if need be, but
> wanted to see if anyone had them handy first.
>
> Thank you again!
>
> Josh
The seed module is simple.  The SM system with its driver, formatter,
and controller is a whole other thing.
I have two BPK-72s and they are interesting but 128Kb is not very big.

Allison