You may want to use this tip, to see all unused USB drivers and unisntall them. It is easy and very convenient to resolve USB driver problems in general, and RS232 multiport in particular. *http://tinyurl.com/3x6z6l* 2007/8/16, Chris Smolinski : > > > >-----Original Message----- > >>From: piclist-bounces@mit.edu [mailto:piclist-bounces@mit.edu] > >>On Behalf Of Chris Smolinski > >>Sent: 16 August 2007 15:30 > >>To: Microcontroller discussion list - Public. > >>Subject: Re: [EE] Are all USB -> RS232 chip manufacturers this dumb? > >> > >>The PC I use for programming them has over a > >>hundred COM ports so far. I am not sure when Windows will run out ;-) > > > >XP supports up to COM254 I think, so you have a little way to go yet! > > I better work on my solution then! > > -- > > --- > Chris Smolinski > Black Cat Systems > http://www.blackcatsystems.com > -- > http://www.piclist.com PIC/SX FAQ & list archive > View/change your membership options at > http://mailman.mit.edu/mailman/listinfo/piclist > -- Ariel Rocholl Madrid, Spain -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist