Overclock e4300 on a GA-P945-S3

I know, I know, it's a 945 chipset. All I am trying to do is overclock my e4300 from 1.8 to 2.4. This is my media server:

Intel E4300
Gigabyte P945-S3 rev. 1.0 (I believe)
2 x 512 DDR2 667 Generic Ram
Nvidia 6200LE (just needed the video out)
1 x 100GB SATA Seagate HD (OS only)
2 x 320GB SATA Seagate HD

The problem, is that I have all kinds of issues when I over clock my e4300 to 2.4 w/ what appears to be my SATA controller. Suddenly, things that I download, can't be installed and I end up getting an occassional Java Exception Error and crashes the Media Program I use. Also, at 2.4ghz, occassionally it won't boot from the OS HD. Any ideas?

I tried upping the voltages a bit, but that didn't help. I also under clocked the ram to 533 (we all know generic ram is generally overclocked to get to the rated speeds) and still nothing. I also tried setting the PCI-E speed to 100 and 110 mhz. Still no luck. I haven't noticed any problems when running at stock 1.8ghz.

Thank you for the recommendation. I will have to try passmark (haven't used that). I am right now running Memtest on it to see if I get any errors (I had it on hand, so I decided to try that first). I guess I could just be that unlucky. Even running at 250mhz FSB didn't help much.