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Thread: Need three serial ports on VIA Epia - OK?

  1. #11
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    Don't know if this helps , but my usb>serial adaptor came up as com 5. Com 1+2 are onboard.

    I tried a nmea gps module on the adaptor but windows / autoroute 97 did not find it. (in the end I used the adaptor for the ir reciver I built).

    VB6 Pro had no problems with the adaptor.

    I don't think there are limits on the number of usb serial ports as they are a sort of 'software' port that requires no more irq's than the usb port uses.

    (I may be wrong) <GRIN>

  2. #12
    Maximum Bitrate pRoFiT's Avatar
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    Doesn't you epia via have a header for com port 2? Because mine does. and mine also has an IR port on it.

    Windows xp supports alot of USB Com ports, like 8 or more. not sure about 98 or 2000.
    Um, I guess this is where you put something witty.WITTY

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  3. #13
    What can I say? I like serial. Curiosity's Avatar
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    Quote Originally Posted by hardware_dave
    Don't know if this helps , but my usb>serial adaptor came up as com 5. Com 1+2 are onboard.

    I tried a nmea gps module on the adaptor but windows / autoroute 97 did not find it. (in the end I used the adaptor for the ir reciver I built).

    VB6 Pro had no problems with the adaptor.

    I don't think there are limits on the number of usb serial ports as they are a sort of 'software' port that requires no more irq's than the usb port uses.

    (I may be wrong) <GRIN>
    That's correct. They will all use the USB IRQ, and the limit is 256 devices under XP. The 4 or 8-port devices would use less resources, but they are usually a bit pricey. The only down side to these is some don't fully emulate a serial port. The data pins work, but the logic signals are non-functional (DTR, RTS, CTS, RING...) so if something needs power or only uses hardware flow control, it won't work.

  4. #14
    Neither darque nor pervert DarquePervert's Avatar
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    Quote Originally Posted by pRoFiT
    Doesn't you epia via have a header for com port 2? Because mine does. and mine also has an IR port on it.

    Windows xp supports alot of USB Com ports, like 8 or more. not sure about 98 or 2000.
    Your information is correct, but why are you resurracting 3 year-old threads to add nothing new?
    Have you looked in the FAQ yet?
    How about the Wiki?



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  5. #15
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    Quote Originally Posted by DarquePervert
    Your information is correct, but why are you resurracting 3 year-old threads to add nothing new?
    Okay, how about I resurrect a 3 month old post to a 3 year old thread.....

    I found this link through a of the forum and all the links are dead... that is not good, cause the links where solutions to adding more Serial (com ports) to a motherboard.... And that is what I need...

    So my question... I alreay have COM1 (the DB9 connection on the back panel) and COM2 (on the mother board) used... I need two more Serial Ports?

    Anyway to do this? Do Serial to USB adapter work backwards? I doubt it.....

    EDIT....

    I don't want anything like this... way to big... and actually I already have 2 of them...
    http://catalog.belkin.com/IWCatProdu...oduct_Id=20938

  6. #16
    Neither darque nor pervert DarquePervert's Avatar
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    Work backwards? That makes no sense, but whatever.

    There are smaller USB-Serial adapters out there. Check at your local computer shop.
    Have you looked in the FAQ yet?
    How about the Wiki?



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  7. #17
    Constant Bitrate luper's Avatar
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    on my laptop i am testing my Rikaline 6010 gps receiver and its screwing up...

    I installed drivers.. fine... i plug the thing in (or when dirvers are done basically) and it goes to Blue screen..... Worker_thread_returned_at_BAD_IRQL... blah blah

    i think its conflicting with something.. it says its on COM4 port... i have usb thing for my smartphone and BT (althoguht it screwed up too!).. any suggestions.../
    ALMOST DONE!
    I got LCD, mobo, hdd, GPS h/s, most of wiring

    ALL i need is some stuff and then misc stuff: (offers?)
    PSU, more wires, slim cd/dvd drive, OBDII stuff, wireless adaptor, audio stuff, stuff period.

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