On Fri, 30 Aug 2002 at 20:46:43, Phoebus Dokos wrote:
(ref: <[EMAIL PROTECTED]>)
>
>
>>Yes please. It is something I had been meaning to do but never found
>>the time. Where do you attach the Ps2 mouse - the 'spare' port?
>>I had that in mind so a ps2 mouse could be used on sH LITE
>
>Two solutions actually. One with the 'spare' port as we had discussed
>in the past (which requires an extra clock signal).
>As you remember there are three (four including USB) types of mice out
>there, one plain serial, one combo PS/2 and serial (fairly standard
>with the exception of MS and Logitech mice all other manufacturers use
>the same signals/protocls) and one pure PS/2.
>For mice types 2 and 3 to work as standard PS/2 as I mentioned above
>you have to get an extra clock signal (from pin 1 on the kbd i/f of the
>sH). Some other considerations have to be taken into account which are
>the driver that has to be written (or adapted) and any electrical
>problems that might arise by sharing the clock line. Note: I was able
>to read the status of a PS/2 mouse but the sH wasn't connected at a
>keyboard at the time (and I won't attempt it either unless you do Tony
>;-)
I would be interested in details for sH LITE.
>Now the other solution for mouse type 2 (serial/ps/2 combo) is a lot
>easier to implement and I chose that as a. Is fairly common to find
>decent mice that are serial/PS/2 combos (I got a great IBM black mouse
>;-) and requires no drivers at all, as in essence you are plugging the
>mouse to a serial port of a different shape (If you ask why in earth I
>just didn't use the adapter that came with the mouse... well just
>because ;-)))))... Not to mention that it's very easy to rewire the
>adapter if I change my mouse to a slightly different one :-)
... but for full sH only I guess.
>
>As for the sH Lite is the spare port connected? I was under the
>impression that it only worked on sH....
It only needs the connector.
>
><snip>
>>Mplane has an (optional) externally facing ROM port, just for what you
>>want to do.
>
>True but the Mplane will require cutting on the case and I am not
>willing to do that ;-) I will be plugging the RomDisq using the
>existing cutout for the parallel port on the ATX backplate. The only
>holes on the back are for the screws that retain the mini-din
>connectors for the PS/2 keyboard and mouse which are at the regular
>place of an ATX backplate. - Unless of course you can assure me that it
>will fit there ;-) and I will still have space for SER 1 and 2 and my
>kbd adaptors.
>In any case I was planning on using ATA-66 grade cable to minimize
>interference and make that about 2 cm long (not even... in essence a
>little longer than my existing Aurora/Rom port adapter).
>I will risk it ;-)
OK
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