[header] How to determine ram type [title] Prepare your computer to remove a memory stick. [step] Power down your computer and turn off the power switch located on the back of your computer case, near the power cord socket. [substeps] Remove the case door and locate the memory slots on the motherboard. 
The slots, which are approximately 4.5 to 5 inches (10 to 12 cm) long, typically will be lined up in a row of 4 to 8. Depending on amount of ram installed on your system and the number of memory slots on your motherboard, some of the slots may be empty.