I know that sounds wacky, but here is the deal. I have a new build with a 30GB 10K RPM SATA drive I'm using for OS and apps. I want to install a new 500 GB SATA drive for storage, but every time I connect it, the PSU shuts me down. The PC won't POST, and all that happens is that the fans intermittently spin and stop, spin and stop. The PSU is plenty big enough (500 watts). I've tried using different connectors from the PSU with no success. After trying this, the PSU stays dead for a few minutes; and will start back up only if I disconnect the new drive.
I suppose this could be a mysterious system board issue, but the fact that the PSU recycles each time causes me to think the problem lies there.
Here's the system info:
Intel Core 2 Duo E6750 with Zalman fan
2 x 1 GB Kingston 1066 MHZ DDR2
30 GB WD Raptor SATA (Primary)
500 GB SATA/300 Matrox (16 MB cache)
OCZ 500SXS Stealth 500 watt PSU
Any thoughts would be appreciated.