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RB-830: problem with keypress detection in Win98 (realtime priority)

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  • RB-830: problem with keypress detection in Win98 (realtime priority)

    Hello,

    I am using Presentation software version 0.71 under Windows 98SE.
    motherboard: Asus A7N8X-X
    Serial port settings are as it is suggested on the Cedrus website.

    I have a following problem with my RB-830.
    When I run my procedure in real time priority, Presentation does not detect any keypresses.
    In test/diagnostic mode there's no problem, all keys are detected correctly.

    I am not sure what's the source of this problem. Is it a bug in motherboard's USB controller driver or in the USB driver for RB-830?
    Have you encountered such a problem?

    Regards,
    Marek

  • #2
    I'm not familiar with Presentation (or the internals of Windows 98), so I'm taking a guess here. If Presentation does not willingly give up processor time, it's entirely possible that the drivers are being starve. If it works correctly on a hyperthreaded or multi-core system, then this theory would be supported.

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