Context: this is a legit screenshot I took on my workplace around 1.5 years ago. Hopefully it's been patched by now? Completely ridiculous behavior
this post was submitted on 03 Nov 2023
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Back in the dial-up days of the mid-'90s, a college classmate of mine had a DOS PC with a problem that PCs can't have anymore:
The cause? The modem and mouse were using the same IRQ, meaning that their communication with the CPU was getting muddled together.
The solution? Open the case and flip a physical switch on the modem card, causing it to use a different IRQ from the mouse port.