Novice has psm0 problems on a laptop

dknapp at dknapp at
Thu Apr 3 09:29:04 PST 2003

I have a Compaq Presario 1220 laptop (Cyrix 200Mhz - woot!), and I can't
seem to get the touchpad to work.  

I've read the laptop/mobile computing info, searched the mailing list,
and gone to a couple of linux laptop sites - and from what I gather,
there is really nothing special about a touchpad - it should just work
as a psm0 device.  I've tried installing 4.7 -RELEASE and 5.0-RELEASE
thinking that perhaps that would make a difference - but it didn't.  

In 4.7 (which is currently running) psm0 isn't detected or at least
isn't listed on dmesg (same thing?).  When I did the preliminary
configuration, I made sure that psm0 was enabled/listed.  

I found another post where someone was having problems with their
touchpad - 
I tried moused -p /dev/psm0 -t auto
Moused: unable to open /dev/psm0: device not configured.

So, I'm thinking that perhaps my next step is to force psm0 to be
Am I screwed if it isn't detected at boot - any way to fix that?

There is also an external port that has a mouse/keyboard picture - I've
tried plugging in an external ps/2 mouse, and it doesn't seem to work
either.  All of my mouse testing has been done by running
/stand/sysinstall - mouse configuration 

The most aggravating thing is that I was able to run /stand/sysinstall
at one point, and I had it working!  However, I have now tried all the
mouse configuration options under post installation configuration, and
none of them have worked.

At various points I've been able to get X running, but to really make
the laptop usable, I need a mouse - my last resort is going to be to try
a serial mouse, but I don't have one handy.

Any thoughts would be greatly appreciated.


David Knapp
Network Analyst,
Cal Poly, SLO
dknapp at
"Knowing the path is not the same thing as walking the path"

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