I don't know about this particular board but several companies did build
Z-80 boards to fit into a PC an allow you to run CPM. I used to have one
made by Baby Blue or some such.
Joe
At 08:16 PM 8/30/06 -0500, you wrote:
Hope to generate less heat this time.
Full length ISA card, XT card edge connection, DB 37 male connector,
Z80B, 8 4164's, 2 2764's, 2 Mostek MK4801AN-4's, MC1420B, 10 MHZ
crystal, and a handful of 74LSxxx glue chips. Only identification
lettering is "BETRONIX = SWEDEN=PC84"
Anyone have an ideal what it could be? Betronix made circuit board
layout software.