USB to Serial / PCMCIA to Serial

  dms05 11:11 06 May 06

I have several laptops without legacy RS232 Serial connectors. I have bought 2 different USB to RS232 cables but I cannot make them work (XP reports them installed and enabled but the Serial device on the end of the cable isn't recognised).

I have Siemens and Nokia phone that connect via their respective cables and they seem to use the same driver as the USB/RS232 cable (Prolific Serial Device). I can only make the Siemens SF65 work and have to connect the Nokia via IR.

I'm assuming each device is trying to claim preference over the Prolific driver and the Siemens is winning! However is their any way I can make the other devices work? I've tried connecting each to different USB ports (directly and via a hub) and installing the driver each time but that doesn't work either.

Any ideas what I do next?

  dms05 16:55 06 May 06

I've taken the plunge and reinstalled XP Pro and SP2 on one of my laptops. Then I installed the Prolific Serial Cable Driver before anything else. The RS232 to USB cable now works! However I now have to have a laptop for each USB RS232 device! I will load the rest of my usual software (less any other known user of the same driver) and see how I get on. I'm currently downloading an enormous number of XP updates (40 at the last count)!

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