Date: Thu, 18 Jun 1998 18:30:46 -0500 From: Greg Lehey <grog@lemis.com> To: Chris Dillon <cdillon@wolves.k12.mo.us> Cc: Duncan Barclay <dmlb@ragnet.demon.co.uk>, freebsd-hardware@FreeBSD.ORG Subject: Re: PS/2 Mouse resolution. Message-ID: <19980618183046.40637@papillon.lemis.com> In-Reply-To: <Pine.BSF.3.96.980618000109.2382B-100000@duey.hs.wolves.k12.mo.us>; from Chris Dillon on Thu, Jun 18, 1998 at 12:03:50AM -0500 References: <19980612155802.25601@papillon.lemis.com> <Pine.BSF.3.96.980618000109.2382B-100000@duey.hs.wolves.k12.mo.us>
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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. Greg -- Finger grog@lemis.com for PGP public key See complete headers for address and phone numbers To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hardware" in the body of the message
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