20-pin ATX connector
Mini - Molex
Pin 1 is always aligned with the corner opposite the base of the lever
Pin 1 on the CPU is aligned with Pin 1 on the ZIF socket
Pin 1 is aligned with the corner closest to the memory
The removed corner of the CPU is always aligned with the corner opposite Pin 1
The label on the memory module should always face the CPU
A notch in the memory module should be aligned with a notch in the memory slot.
The arrows on the memory module should be aligned with the arrows on the motherboard slot
All memory and motherboard slots are colour-coded, with one red end and one blue end
Install the card, and attach it to the expansion slot using thermal paste
Install the card, and attach it to the motherboard using thermal pads
Install the card, and secure it using metal retaining clips located on the expansion slots
Install the card, and secure it to the case with a screw
Here's an interesting quiz for you.