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IRQ's in Dos

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  • IRQ's in Dos

    Anyone know how to change a irq in dos? using windows 2k ...i've googled like hell with no luck...
    .
    thanks in advance
    Last edited by mythodical; November 16, 2005, 12:25.

  • #2
    Originally posted by mythodical
    Anyone know how to change a irq in dos? ...i've googled like hell with no luck...

    thanks in advance
    If it is changable (some are not), it is usually done via a hardware jumper. If a hardware jumper is not available, then sometimes a proprietary program designed to work on the specific device will modify the values.
    Thorn
    "If you can't be a good example, then you'll just have to be a horrible warning." - Catherine Aird

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    • #3
      Originally posted by mythodical
      Anyone know how to change a irq in dos? using windows 2k ...
      so... are you using dos, or windows 2000? Thorn has it that DOS does not generally allow for changing IRQs, as they were specified by either jumpers or [prom-eeprom] on the card itself.
      if it gets me nowhere, I'll go there proud; and I'm gonna go there free.

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      • #4
        Originally posted by mythodical
        Anyone know how to change a irq in dos? using windows 2k ...i've googled like hell with no luck...
        .
        thanks in advance
        ISA cards have used jumpers or dip switches, though there have been examples of ISA cards that use special boot disks and utility software to configure them (Certain NE200 compatible cards, and the old, common 3c509, and tons of audio cards.)
        EISA often have either BIOS settings or a special boot disk to specify what slots will be "assigned" (using) what rsesources, or both or neither.
        PCI is supposed to be "automatic" though some BIOS have support for assigning IRQ and other resources per slot for legacy control.
        PCI can sometimes have other support in the BIOS for what IRQ (and other resources) should be made available to PCI devices.
        If you are having IRQ problems with a PCI card system, moving around cards in slots, removing all cards and adding one at a time, and/or BIOS controls are probably where you want to look.

        Google: how do you set IRQ?

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        • #5
          Originally posted by mythodical
          Anyone know how to change a irq in dos? using windows 2k ...i've googled like hell with no luck...
          .
          thanks in advance
          In Windows 2000 you can change IRQs, IO ports, or other hardware resource settings in the Device Manager, under each device's "Resources" tab. Note that many devices won't let you do it this way: audio/video cards and network cards will usually allow you to, others will not).

          Certain BIOS configuration utilities will allow you to reserve specific motherboard resources (like IRQs) to specific PCI slots, etc. YMMV.

          You shouldn't have to ever change an IRQ setting with a computer built past 2000...every commercial motherboard on the planet supports IRQ sharing. I haven't had to tweak IRQs since I owned my Packard Bell 486-25MHz....if you let us know exactly what you are trying to do we can help more...
          Jesus built my car
          It’s a love affair
          Mainly Jesus and my hot rod

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          • #6
            basicly a friend of mine and a couple co workers were trying to see if it was possible to do through dos.They were having issues with new cash registers(POS) for there company.He called me and asked me if i knew how to.Obviously i didnt but sounded interesting.I knew u could change IRQ through device manager and through switches but wasnt to sure if it could be done through dos.Thanks again
            Last edited by mythodical; November 21, 2005, 09:07.

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            • #7
              Originally posted by Grond
              In Windows 2000 you can change IRQs, IO ports, or other hardware resource settings in the Device Manager, under each device's "Resources" tab. Note that many devices won't let you do it this way: audio/video cards and network cards will usually allow you to, others will not).

              Certain BIOS configuration utilities will allow you to reserve specific motherboard resources (like IRQs) to specific PCI slots, etc. YMMV.
              That was word for word, exactly what I was going to say.

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