Logitech serial mouse question

Dell / Mxc051 (inspiron 630m)
May 18, 2009 at 18:04:38
Specs: any, any
I have a:

Series 9, Serial

9 pin serial mouse, as seen here:

I have yet to get it to properly function under Windows 98, ME, 2000, or XP. Since it's a rather unique mouse in the modern world, I'd like to avoid trashing it (if it turns out it is junk, I may gut an optical mouse and convert it).

Is there anything special about this mouse? Is it actually Windows compatible or is it for some other system exclusively?

I believe from research that there were 3 mouse standards...Mouse Systems, Logitech, and Microsoft. It apparently is not Microsoft compatible.

I believe I was able to get it to move the cursor (though erratically) using a generic Microsoft driver. I forget which OS but it doesn't seem to be XP since I have had no success since then on XP.

Any thoughts on how to make it work / if it works at all?

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May 18, 2009 at 19:26:57
I have used serial mice with Win95/98/2000. Are you trying to connect it after you are in Windows? You need to connect when shut down and also verify the serial port is enabled. Windows should install the mouse automatically.

If the cursor is jerky it may be due to dust in the rollers. Remove the roller from the bottom by twisting the ring counter clockwise. There are two sets of rollers in there. They are probably crapped up. Clean with Q-tips and rubbing alcohol.

You can connect both a serial mouse and a PS/2 or USB at the same time.

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May 18, 2009 at 20:05:46

Mouse rollers are 100% perfect (as I clean all mice before ever plugging them in)

This unit is circa '88-89 so I'd bet on this being a compatibility issue.

I am connecting it with power off, then booting computer. Other serial mice are detected properly (including my InPort on an adapter, other Logitechs, and two other MS mice).

It is not detected as PNP or non-PNP by the wizards for hardware installation. As explained, if I forcefully install a generic driver (I forget which), the cursor DOES respond to the mouse, but erratically (identical behaviour to a mouse systems mouse running with microsoft drivers)

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May 18, 2009 at 20:20:53
Is it possible you have a bus mouse? I don't know much about them as I never used one. There are plenty of references to them if you Google.



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May 18, 2009 at 20:35:30
I did consider that possibility (when researching my InPort mouse I did a little looking into the different varieties of bus mouse) but this does have a 9 pin serial plug (DE9)

I'm wondering if perhaps the mouse is faulty? I'd hate to alter it or toss its guts out if it turns out to have some collector value but if it doesn't work, then it has zero value.

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May 19, 2009 at 08:48:59
Well, a mouse doesn't take much space. Put it in a baggy with a note.

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June 13, 2009 at 18:42:10
Alright, I have determined that the problem (first and foremost, perhaps not the only one) is the CORD of all things. Continuity testing each wire at the PCB (there are 6 of them) with the 9 pin serial connector reveals that a white wire is not connected. The others all have connections, some are even connected to multiple pins (probably ground, maybe positive power also).

This is therefore not a software issue, yet...there is a physical problem. Just figured I'd update the thread in case someone finds it via google and wonders what the outcome was.

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