Looking for a parallel keyboard

From: J.C. Wren <jcwren_at_jcwren.com>
Date: Thu Jan 15 21:44:26 2004

Tom,

    Can you verify the pinout of the BigBoard? I'm a little suspicious
of the -12, and two pins are not defined, 21 & 24.

    --jc

Tom Uban wrote:

> At 04:32 PM 1/13/2004 -0500, you wrote:
>
>> Dwight K. Elvey wrote:
>>
>>> Hi
>>> Does anyone have a parallel out keyboard that they
>>> would like to sell to me?
>>> Dwight
>>>
>>>
>>>
>>>
>> Does this mean there might be a small market for a PS/2 to parallel
>> keyboard converter? I can envision two modes, output only, where
>> ASCII data and strobe are provided when a key is pressed, and an I/O
>> mode, so that keyboard commands can be clocked back in.
>>
>> Multi-key sequences (like F1, etc) would be converted to VT100
>> keyboard sequences. Perhaps a few others terminal types would be
>> supported, such as the TVI950.
>> Information like Shift would affect the keycode, but would not be
>> passed along (well, I guess we could, with a mode switch. But
>> normally not.
>> It'd just look like the keyboard data stream from a serial terminal).
>>
>> --jc
>>
>
> Yes, that would be great! It would be excellent if it were small, had
> a PS/2 connector and a 26pin ribbon header with the following pinout
> to mate with my BigBoard's keyboard connector. Of course it should emit
> the equivalent of the AY5-1015 (if I recall correctly) parallel keyboard
> chip as well...
>
> 1 - KB0
> 3 - KB1
> 5 - KB2
> 7 - KB3
> 9 - KB4
> 11 - KB5
> 13 - KB6
> 15 - KB7
> 17 - !KBSTB
> 19,20 - +12
> 22,23 - -12
> 25,26 - +5
> 2,4,6,8,10,12,14,16 - Gnd
>
> Waiting in anticipation!
>
> --tom
>
>
Received on Thu Jan 15 2004 - 21:44:26 GMT