Boost Your PC With "ReadyBoost" (Windows 7)

Step 2: Using Your Storage Device For ReadyBoost

Right-click on your storage device, then go to properties, you will find a tab named Ready Boost then click it, you will find 3 options click on "Dedicate This Device To ReadyBoost", there will be a slider to select how much space you would want to use for ready boost slide it to the right, the higher the size of memory ReadyBoost uses the better, then click ok.

Steps:
My Computer > Right-click on your storage device > Properties > ReadyBoost Tab > Select  "Dedicate This Device To ReadyBoost" > Slide the slider to the right > Click OK > You're done!!!! ^_^