How to check working of your cpu, ram, graphic card, caches, mainboard, SPD etc ITGuideline com

How to check working of your cpu, ram, graphic card, caches, mainboard, SPD etc ITGuideline com DOWNLOAD LINK http://itguideline.com/index.php?option=com_content&view=article&id=67:how-to-check-working-of-your-cpu-ram-graphic-card-caches-mainboard-spd-etc-itguideline-com-&catid=37:video-tutorials&Itemid=190