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Apple ][ cards

Hi.  I found a couple of old apple ][ cards, and I was wondering if anyone
has any information about them.  One is a Videx video card, some kind of
80 column card I'm assuming, and I wanted to know what the jumpers and dip
switches do.  On the trace side are a couple of numbers one is an 'A' in a
circle followed by 'MIL-6', the other says 'ULT-000'.  There are two ROMs
labeled 'ULT-FRM-408B (C)1983 VIDEX' and 'ULT-CHS-7859 (C)1983 VIDEX',
and the CRT controller (?) has two numbers on it, 'HD46505SP' and
"HD6845SP'.  The other is a Passport Designs 'MIDI INTERFACE-A-001'.  Does
anyone have programming information or anything about these?  I don't know
if they work yet, but a MIDI port on my old ][+ sounds like fun.

Thanx,

Rob