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Date:      Wed, 24 Jun 1998 22:38:49 +0100 (BST)
From:      Duncan Barclay <dmlb@ragnet.demon.co.uk>
To:        Greg Lehey <grog@lemis.com>
Cc:        freebsd-hardware@FreeBSD.ORG, Chris Dillon <cdillon@wolves.k12.mo.us>
Subject:   Re: PS/2 Mouse resolution.
Message-ID:  <XFMail.980624223849.dmlb@computer.my.domain>
In-Reply-To: <19980624173514.L5023@freebie.lemis.com>

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On 24-Jun-98 Greg Lehey wrote:
> On Thu, 18 June 1998 at 18:30:46 -0500, Greg Lehey wrote:
>> On Thu, 18 June 1998 at  0:03:50 -0500, Chris Dillon wrote:
>>> On Fri, 12 Jun 1998, Greg Lehey wrote:
>>>
>>>> On Thu, 11 June 1998 at 18:34:38 -0500, Chris Dillon wrote:
>>>>> On Thu, 11 Jun 1998, Duncan Barclay wrote:
>>>>>
>>>>>> Just upgraded my motherboard to one with a PS/2 port on it (FIC PT-2007,
>>>>>> 430TX).
>>>>>>
>>>>>> I moved my mouse (Logicitech MouseMan) from sio0 to the PS/2 port and it
>>>>>> is now
>>>>>> "slower" and a pain to use under X. I guess the resolution has
>>>>>> increased, can
>>>>>> moused be used to fake it back top where it was before?
>>>>>>
>>>>>> I've tried upping the X acceleration but don't really like it, feels
>>>>>> wrong.
>>>>>>
>>>>>> I don't want to go back the serial port, I want it for the console of
>>>>>> my (new) crash box.
>>>>>
>>>>> I noticed something similar when I bought this new trackball, which sits
>>>>> on the PS/2 port.  The cursor zips across the screen fast enough, but
>>>>> selecting text in an xterm is a whole different story.  It used to be
>>>>> that
>>>>> when I clicked/dragged to select text the "reverse" selection followed
>>>>> the
>>>>> cursor perfectly.  Now it lags behind the cursor and updates in bursts.
>>>>> Weird, eh?  Anyone know why this happens?
>>>>
>>>> Interesting.  The "updates in bursts" looks like an interrupt problem.
>>>> I've had similar problems, but I hadn't associated them with the
>>>> change from serial to PS/2.  I'm currently using a MouseMan on a
>>>> serial port on my laptop, and it works fine, but I've been having real
>>>> problems on my "real" machine with a PS/2 port.  I thought it was the
>>>> screen resolution (1600x1200) which was causing the problems, but now
>>>> I'll investigate more carefully.
>>>
>>> If it were an interrupt problem, wouldn't the cursor itself move jumpily
>>> and not just the inverse selection?
>>
>> Yes.  That's what comes of not reading the message carefully.  Of
>> course, it could still be a conflict with disk access.
>>
>>> It moves even more fluidly than with my serial mouse (of course, it
>>> was a cheap low-res mouse).
>>
>> My impression is that the same mouse (convertible) is smoother on a
>> serial connection than on the PS/2 connector.  As I said, I'll try
>> this out when I get home.
> 
> I'm home now, and I've tried it out.  It turns out my recollection was
> defective: the mouse was already connected as a serial mouse.  I tried
> it on PS/2, and as Duncan Barclay observes, the mouse slowed down.
> 'xset m' doesn't help much either--if I really speed it up, it jumps
> in increments of up to 10 pixels.  Some of this may be due to the old
> version of Xinside I'm using, of course.

Did you try
$ moused -r high
?

Works for me, I found it in psm(4).

> Greg
> --
> See complete headers for address and phone numbers
> finger grog@lemis.com for PGP public key

---
________________________________________________________________________
Duncan Barclay          | God smiles upon the little children,
dmlb@ragnet.demon.co.uk | the alcoholics, and the permanently stoned.
________________________________________________________________________

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