IRQ + troubleshooting

  • Tchuki
  • Mastermind
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  • Tchuki
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  • Loc: Edinburgh

Post 3+ Months Ago

I`m doing a pc hardware course which looks into all aspects of the pc. I've come across a question that I`m not to sure about. It asks how I can find out what resources a legacy ISA card is using and how troubleshooting it would differ from a PnP card.

I had thought that you would find its IRQ etc from looking at the jumper settings and refering to the manual but I`m not sure if there is a better way? As for the differences in troubleshooting I have no idea.

Anyone able to help?
  • lucassix
  • Mastermind
  • Mastermind
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  • Posts: 2350
  • Loc: Indiana

Post 3+ Months Ago

You are correct. Non PnP, legacy ISA cards have their IRQ set manually through the use of jumpers or DIP switches. This differs from newer PCI cards which have their IRQ set in the BIOS, and which can be changed as needed by the OS using IRQ steering.

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