|F8E3h || F8F3h || Schneiderware Centronics 8255 PPI Control
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|F8E8h || F8F0h,F8F8h || Schneiderware Uni-PIO 8255 PPI #1 Port A (with '''without''' pull-ups and , with red LEDs)
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|F8E9h || F8F1h,F8F9h || Schneiderware Uni-PIO 8255 PPI #1 Port B ('''with ''' pull-ups and green LEDs)
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|F8EAh || F8F2h,F8FAh || Schneiderware Uni-PIO 8255 PPI #1 Port C (with lower 4bit '''without''' pull-ups and red/LEDs, upper 4bit '''with''' pull-ups and green LEDs)
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|F8EBh || F8F3h,F8FBh || Schneiderware Uni-PIO 8255 PPI #1 Control