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[ChickenMan]

Arr some success, great.  As mentioned before the 16k bee in the 1/2 case is missing a BASIC rom therefore will NEVER boot until its replaced.  You may be able to get the Monitor if you hold worn the M key while using the Reset key held down for a few sec.

As for the Right-angle adapter, check out 8307_4_expansion_board_set_pcb.zip in the Documentation/PCB folder, you might be able to build your own