Intel PC-BUBBLE Card documentation?
saburwulf at gmail.com
Thu Feb 14 10:50:15 CST 2019
The empty 40-pin should be an Intel 7224 if the card is using 7114 bubble
modules, and the 7220 if it's the 7110 bubble modules.
For the card in question, I'm pretty sure it's the 7114 module.
The IC is required as that's the bubble memory controller itself.
On Wed, Feb 13, 2019 at 4:39 PM Chris Hanson via cctalk <
cctalk at classiccmp.org> wrote:
> 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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