Weird! I wonder what was runll32.exe doing with the serial port.... ----- Mensaje original ---- De: John Pfaff Para: Microcontroller discussion list - Public. Enviado: viernes 19 de enero de 2007, 1:20:00 Asunto: Re: [EE] PC Serial Port - The Answer NTFiles did the trick. rundll32.exe was the culprit. I stopped the = process, installed the driver (the serial was now unused), and now the = tablet works just fine. I can even reboot the computer and when it = comes back up the tablet still works. Thanks everybody for your suggestions! I knew this was the right place = to ask. Too bad I didn't think of it a month ago :( John Pfaff wrote: > I'm using the tablet on another PC, one that doesn't have this serial = > port problem. > > Paul Hutchinson wrote: > = >> Before you spend too much time trying to get the serial port working, ha= ve a >> look at the release notes for your particular Wacom tablets XP driver. >> >> A couple months ago I went through the hassle of getting a serial port >> installed on a new PC for an old Wacom tablet. Then I discovered that my= old >> serial Wacom tablet is not supported under Win XP SP2, it was in the rel= ease >> notes, that I hadn't read, doh. Had to swap it with the USB tablet on my >> Win2K PC (the Win2K Wacom driver did work with my serial tablet). >> >> Paul = >> >> = >> = >>> -----Original Message----- >>> From: piclist-bounces@mit.edu = >>> [mailto:piclist-bounces@mit.edu] On Behalf Of John Pfaff >>> Sent: Thursday, January 18, 2007 1:14 PM >>> To: Microcontroller discussion list - Public. >>> Subject: Re: [EE] PC Serial Port >>> >>> I haven't installed the Wacom driver (not for lack of trying), or = >>> connected the tablet. The setup program won't install the driver = >>> because the serial port is in use. My problem is determining = >>> what has = >>> the serial port locked up and freeing it. >>> = >>> = >> = >> = > > = -- = http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist = = = __________________________________________________ = Pregunt=E1. Respond=E9. Descubr=ED. = Todo lo que quer=EDas saber, y lo que ni imaginabas, = est=E1 en Yahoo! Respuestas (Beta). = =A1Probalo ya! = http://www.yahoo.com.ar/respuestas = -- = http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist