> A costumer has a shop with a Point Of Sale terminal; a simple Pentium II with a
> ticket printer, barcode scanner and such. Recently I helped her with reinstalling the
> whole enchilada and of course I had problems finding dinosaurdrivers. However in the
> computer I found a driver for something called PL 2303 and I have no idea what it
> could be. Google says something like usb-to-serial something, but I'm asking for your
> expertise. Bueller? Bueller?
No, you're right - PL2303 is a USB-to-serial adapter chip made by Prolific.
http://www.prolific.com.tw
http://www.prolific.com.tw/US/ShowProduct.aspx?pcid=41&showlevel=0041-0041
http://www.prolificusa.com
I've actually used an adapter based off it before. It's probably used for either the barcode scanner or the ticket printer, either one could be a serial device. Look for a dongle attached to one which plugs into USB at one end, and expands to DB9 (or possibly DB25) at the other.
If you don't see one connected to any of the peripheral cables to the printers/scanners, then you can ask your friend if they'd ever replaced one of the peripherals...
What more do you need?
- Stiletto
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