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Thread: AT128 -- PC keyboard -> C128D/DCR adapter

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  1. #1
    CodeKiller's Avatar
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    Default AT128 -- PC keyboard -> C128D/DCR adapter

    AT128 is a PC AT or PS/2 keyboard to Commodore 128D/DCR* adapter.
    Compatible with any speed of keyboard with scan mode 2 as default**. (DIN type can be used with regular DIN->PS/2 adapters)
    *C128DCRs require a wire to be installed for this adapter to work (+5V from C71 to pin4 of the keyboard connector) -- also the adapter may not stay flat but bends up a bit to have space for the PS/2 connector on desk but should connect without problem
    **keyboards with excessive pull-down resistors (rare) may not work but the adapter can be modified to handle them (i can help if needed)

    Disclaimer: Yes, I'm aware the presence of the C=Key adapter, but this project does not use any design or code from that. It's built entirely from scratch.

    Price: 30€
    Shipping: 7€ world wide flat rate

    Click image for larger version. 

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  2. #2
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    price drop: 25€ / piece
    (shipping the same)

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    I am interested

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    Just bumped into this piece of hardware. I am interested to buy one.

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    PM sent

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    larry9's Avatar
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    Can confirm that the adaptor does a good job. Mine is working without the extra wire which I had forgot to add until I saw the picture above again tonight.
    I did find that it would not go into the keyboard socket with the screws at the front so I removed them then after plugging the board in screwed them back in from the rear which also attaches the board to the keyboard socket .

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