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  • Just posting this here in case anyone else runs into this issue. I was having issues with the mouse being very laggy in dosbox and windows 3.1 on my pi. It made some games nearly unplayable for me because the mouse pointer was so choppy and slow to respond.

    Below is a fix for this issue

    add:
    usbhid.mousepoll=0

    to /boot/cmdline.txt
    on the same line separated from the other stuff by spaces

    What this does is enforce a mouse polling rate of 62.5Hz. It completely solved my problem and now my mouse pointer movement is completely responsive and smooth.

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