Program for Hard Drive Usage

Anyone know of a freeware for monitoring which program is accessing your hard drive? I did a clean install last week because I got a new board, and for what seemed like 5 minutes, probably 3 or so, the hard drive just continued to flash. I uninstalled the Norton Security Suite (not a fan of this version of it) and didnt have any programs going, screen saver wasnt up. Only possibility I know is the Asus AI Suite II. But this would be a first that i've seen it do this?

What OS it it? If its vista or 7 it coeuld be indexing your files, its for faster searching.

win 7 64. ill turn off indexing and see if that helps.

Win 7 also defrags in the background when you are not doing anything... so that could be it. I remember Vista taking up to 20ish minutes before it would settle down and stop mashing the HDD, 7 is much better, but Im sure its a case by case situation. Could also be setting a restore point as well...

Top 2 Google results for search "windows 7 excessive disk activity"
social.technet.microsoft.com/Forums/en-U...b-927f-6ff230a92bbb/

answers.microsoft.com/en-us/windows/foru...ce-8da9-62a8c4afb459

You can try this for a possible utility to help you.
technet.microsoft.com/en-us/sysinternals/bb545046.aspx