Currently Being ModeratedNov 17, 2012 12:37 AM (in response to radiochris)
I don't think there is a problem with the motherboard, but more the hard drive.
It could also be the OS you have installed. The fist thing to try is disk repair in disk utility.
See if that improves startup performance.
Here's some detail on how to use disk repair to help performance.
Best of luck