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"DoN. Nichols" <dnichols@d-and-d.com> writes:

>On 2008-07-03, David Wilson <mcs6502@gmail.com> wrote:
>> On Jun 30, 2:53 pm, "DoN. Nichols" <dnich...@d-and-d.com> wrote:
>>> Sun-3 machines up through some UltraSPARC systems (including the
>>> Ultra-5, Ultra-10 and Ultra-60, but not including the Sun Blade 1000 and
>>> 2000) use Sun keyboards with 5-pin mini DIN connectors, and the mouse
>>> plugs into the keyboard and is routed to its own serial interface inside
>>> the box.
>>
>> I just took a look at an Ultra 5 and counted 8 pinholes on the
>> keyboard/mouse socket making it a mini-DIN-8.
>> See http://en.wikipedia.org/wiki/Mini-DIN_connector for diagrams of
>> mini-DIN-3 through mini-DIN-9 plugs.

>	You're right.  I just checked the connector on the end of one of
>the keyboard cables.  The mouse (which plugs into a connector on the
>keyboard) is a subset of that -- three pins used, IIRC, but the easily
>accessible mice are currently USB ones, and it is past 1:00 AM, so I'm
>not going to dig one out to verify that.

>	But a PC (PS/2) Keyboard connector has a square molded key in
>the middle, and will not fit in the same socket, and will not work the
>same.

It's also only got 6 pins, whereas Sun's *combined* mini-DIN keyboard and
mouse serial port interface uses 8. I have yet to find any PC which uses a
single connector for the keyboard and mouse interface - as far as I know
with the exception of some very esoteric embedded PC systems, every PC
requires two connectors for keyboard and mouse. Even Sun has gone that way
now using USB for input devices. I don't think any of the current systems
have the original Z8530-based serial port interfaces for keyboard and mouse
anymore.

>	Enjoy,
>		DoN.

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