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Using PS2 port for download

Discussion in 'Electronic Design' started by Joel Kolstad, Apr 4, 2007.

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  1. Joel Kolstad

    Joel Kolstad Guest

    No, the PS/2 protocol is not at all like RS-232, other than the fact that,
    yeah, it's a serial protocol.
    What brand of USB<-->RS-232 cable were you using? Although most of them seem
    OK these days, in years past there were some notoriously flaky ones. I think
    we still have a Belkin brand unit kicking around at work here that wouldn't
    work with AVR Studio, for instance.

    That being said, a PCMCIA serial port card is a "real" serial port in that
    even software (such as DOS programs) that directly access the hardware I/O
    registers will work with it. If you can find one inexpensively on eBay
    (etc.), it's a good investment.
  2. PCI serial port card, maybe sounds like a possible solution
    But you really should get a new mobo, keep the cpu, ram,case , (and
    install Vista)

  3. Jim

    Jim Guest

    I have a crappy portable computer that does NOT have even one RS232 serial
    port, and for which I have been unsuccessful in getting a USB to Serial port
    converter to work (several of them).

    I am investigating PCMCIA to serial port adapters, but in the meantime, I
    would like to know if I can use one of the PS2 ports as a serial port for
    data download. I think I remember seeing this once, but can't remember

    All I really want to do is download the data from my Garmin Etrex GPS which
    uses a 9 pin RS232 to 4 pin Etrex serial port cable (it may only use 3 of
    these pins for communications I think).

    Any ideas?

  4. Ken Fowler

    Ken Fowler Guest

    It's not necessarily a crappy portable. Even my Sony laptop bought in 2006 came without a Serial
    Port. I tried a cheap piece of crap USB to RS232 adapter which didn't work, got an RMA on it and the
    replacement didn't work either. I was shopping for USB to RS232 at Fry's and met two other people
    who hadn't found a satisfactory unit either. Did a lot of Googling and learned that there is one
    model by Belkin with a good reputation. Finally bought a PCMCIA CardBus serial port which has
    worked solid. CardBus units seem overpriced but I got a generic one through Amazon.Com for $27.99
    sold by Computer Geeks. Good Luck and make sure you can return it if it doesn't work.

    Ken Fowler
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