Intel PC-BUBBLE Card documentation?

Chris Hanson cmhanson at
Wed Feb 13 18:39:05 CST 2019

Does anyone have documentation stashed away for the Intel PC-BUBBLE Card? The PC-BUBBLE is an 8-bit ISA card that Intel produced for prototyping bubble memory applications in the mid-1980s, the ROM on mine is v3.0 and says it’s copyright 1986.

I don’t want to insert this into a system until I’m sure all the (many) jumpers are configured reasonably, and I’m sure that the empty 40-pin socket at U5 isn’t something that’s critical to its operation…

  -- Chris

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