Berkeley Softworks IRQ Manager Board

Vintage Computer Festival vcf at siconic.com
Sun Jul 10 21:14:49 CDT 2005


On Sun, 10 Jul 2005, Marvin Johnston wrote:

> I found a couple of these in the dregs of the bazaar remains, and am
> curious what they do. Google showed they were used in the Apple IIe, but
> that is all I've been able to find. Anyone have more information about
> how they were used? Thanks!

These sound vaguely familiar.  I am pretty sure they were used in
conjunction with GEOS (a Berkeley Softworks product) on the Apple ][ to
give it the IRQ support needed for that OS to run properly.

-- 

Sellam Ismail                                        Vintage Computer Festival
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