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Ralf Reköndt wrote:
> From: "Marco Vacquier"
>
>> @Tony F., when you visit Eindhoven next October, I may show you the
>> second one for you to see. That is, if it resembles the keyboard as is
>> shown on the pictures on the following link:
>>
>> http://www.xs4all.nl/~wij2/ehv20061014/index.html
>> Note pictures IMG_1596.JPG,IMG_1602.JPG, and IMG_1605.JPG
>
> Seems to me as it was the big SCHÖN Keyboard, which had "F1 - F10" in red on
> the the left side and a special I/F fitted on the 8049. This wasn't a
> standard PC keyboard. I also had such a keyboard in earlier days. After a
> few years, there were problems with some of the keycaps, beginning not to
> work properly anymore.
>
No it wasn't that one. That fitted on the QL itself and worked
(electronically) in the same way s the QL keyboard.
There were issues:
1) The mini pcbs that fitted in the motherboard sockets made it unusable
for membranes - the connections were forced apart.
2) The ribbon cable wires broke easily - they were totally unreinforced.
Cure is hot glue to fix rigid.
3) The pcb pads oxidised causing the key problems you mention. Curable
by disassembling and cleaning pads with rubber.
4) There was a keybounce issue. They 'solved' this by re-coding the
8049 and sold this to unsuspecting punters. This did cure the keybounce
issue, but killed serial input! I ought to thank them for this, as this
prompted the Hermes development!
It did though look and feel very nice (8-)#
Tony
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