On Wed, Feb 02, 2000 at 07:50:49AM +0000, Richard Adams wrote:
> It would seem that the only people who know about these adaptors are our
> American friends, i have never seen one and it would seem Lawson has not
> either, now taking that into consideration answering the origanal question the
> way i and LAwson did explanes the answers.
Heck, we've probably got at *least* 3 or 4 of those adaptors floating around.
I've got one right here that was in my desk drawer - IIRC it came with my
Belkin trackball. If you want I'll send it to you so you can see what these
things are.
> Mike, you explaned just about everything, however you did not say which
> protocol is used. One would imagen from your explanation that it would be
> MicroSoft, this considering we have the mouse device linked to /dev/ttyS0.
Aw hell, I knew I was forgetting something. I'm still trying to get used
to being *able* to answer some of the questions I see here. ;) It'll be a
while before I get as good at it as some others here (you, Lawson, Ray, Greg,
a few others). And yes, the MS protocol would be the first I would try based
on what he told us about his mouse.
> So it looks like these little adaptor boxes change the protocol from serial to
> ps2, is that correct,?? another thing is that a PS/2 mouse is an auxiliary device
> and uses irq 12 when pluged into its own socket on the motherboard.
Something like that. I'm not exactly sure how it all works, but basically
it *seems* to be simply that the PS/2 protocol is quite similar to the other
protocols that it usually - but not always - will "just work". I've only
recently just started digging into how that guts of the hardware works.
Maybe by the end of this semester I'll be able to answer that one better.
> I cannot realy see the use of such a box, i mean pricewise, surlly it is cheaper
> to buy a serial mouse wich cuts out the middle man.!! I have a ps2 mouse here
> on one computer and a serial mouse on the other, they both work the same.
Many of the mice / trackballs I see in the stores are this way - the device
is a PS/2 but comes with these adaptors. At a guess, most typical users
just can't be bothered to know the difference. As long as there's something
in the box where "the thingy on the end of the cord of the whateveritis will
plug into the whatchamacallit on the back of the big box" they're happy. And
yes I *have* heard it described that way. ::shudder:: That was a scary
conversation.
--
Mike Werner KA8YSD | "Where do you want to go today?"
ICQ# 12934898 | "As far from Redmond as possible!"
'91 GS500E |
Morgantown WV | Only dead fish go with the flow.
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