So this is a fun one. I swapped all my parts onto my new gigabyte 7vt600p-rz, and have a SBLive (CT4760). This mobo also has onboard sound. I run my sound card output through a really nice old harmon kardon amplifier. I'm getting a horrible, horrible buzzing (lots of mid-high pitch elements, plus a 60Hz buzz) when I'm plugged into the SB. This never happened before. So I thought maybe a hard drive was electrically loud, or the cpu fan. Tried running the computer with each of those not plugged in. Still getting the buzz! I don't even get to windows before the buzz occurs. Right from power-on it starts buzzing away. So I took out the PCI SB, then reseated, but still buzz.
So I debugged it to this point: if the computer is off, no buzz. If the power supply is on, but the computer is still off = buzz. And of course, computer on = buzz.
Sounds like a bad power supply. I just took it apart and blew out the dust and spider webs (literally). When I touch the computer case, the buzz gets reduced, which leads me to believe it's bad grounding. But how the hell would it leak all the way into the sound card, even if the computer is off?
When I had the power supply open, it looked like the capacitors had leaked out a bit. Can't believe I did anything significant to it that would kill it. And since the caps leaked before I got it open, It couldn't be those, right? Anyway, guess I need a new power supply.
My power supply is a 250W Codegen, running a firewire link, two hard drives, a Live drive, a DVD burner, an athlon 950, 1 stick of DDR, a floppy, and a zip drive. How much wattage should I look for in a new one?
So I debugged it to this point: if the computer is off, no buzz. If the power supply is on, but the computer is still off = buzz. And of course, computer on = buzz.
Sounds like a bad power supply. I just took it apart and blew out the dust and spider webs (literally). When I touch the computer case, the buzz gets reduced, which leads me to believe it's bad grounding. But how the hell would it leak all the way into the sound card, even if the computer is off?
When I had the power supply open, it looked like the capacitors had leaked out a bit. Can't believe I did anything significant to it that would kill it. And since the caps leaked before I got it open, It couldn't be those, right? Anyway, guess I need a new power supply.
My power supply is a 250W Codegen, running a firewire link, two hard drives, a Live drive, a DVD burner, an athlon 950, 1 stick of DDR, a floppy, and a zip drive. How much wattage should I look for in a new one?
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