The issue of jumper settings causing sound card malfunctions is truly a classic. I still vividly remember the time when I helped a girl fix this problem; her shy expression of gratitude has lingered in my mind ever since. As for overclocking-related issues, with the increase in CPU clock speeds and the advent of dual-core, triple-core, and quad-core processors, such problems are almost disappearing from the market. However, even though these classic issues are fading away, it doesn't mean they never existed. As a typical case, it's still worth mentioning.
For sound card problems, apart from system and driver issues, if you've exhausted all other options and suspect a hardware fault, consider checking the jumper settings—it might just save the day. Regarding overclocking, you can rule out hardware problems caused by overclocking by loading default or optimized settings in the CMOS and then exiting to restart. Nowadays, with AMD Black Edition CPUs offering extraordinary overclocking capabilities, while everyone enjoys the thrill of overclocking, it's important not to forget the potential side effects and chain reactions that come with it.