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Re: PS/2-Keyboard to Apple II converter
"David Wilson" <mcs6502@gmail.com> wrote in message
eaed8817-1a4c-46f7-b1a3-3a36e1984e72@f36g2000hsa.googlegroups.com">news:eaed8817-1a4c-46f7-b1a3-3a36e1984e72@f36g2000hsa.googlegroups.com...
> On Apr 17, 10:13 pm, Peter Khienslein <s11Q22...@riot.org> wrote:
>> I think it will, assuming that the keyboard-connector of the IIe is
>> exactly the same as in the II, can anyone confirm that?
>
> It isn't.
>
> The ][ & ][+ use a 16 pin DIP socket and accepts 7 bit ASCII plus
> strobe signal.
>
> The IIe has moved the keyboard encoder chip off the keyboard PCB and
> onto the motherboard. The keyboard connector on the IIe takes an un-
> encoded X-Y matrix of SPST switches and has 26 pins (18 pins for the
> 8x10 matrix, 6 pins for PB0 PB1 CAPS SHIFT CTRL & RESET and 2 pins for
> +5V and Gnd).
Do you think that PS/2 keyboard will work unless you build small PCB?
The PS/2 keyboard's signal will go to the small PCB with few chips. Then it
will be translated to Apple II & //e's encoded ASCII matrix.
Bryan Parkoff