Which slots are proper to install 2x8GB of RAM?
Due to Intel Lynnfield CPU integrated memory controller limitation, DIMM slots A1 AND B1 must be populated first, or your system may not boot up, since the memory modules in A2 and B2 will not be recognized.
How to Enable Dual Channel RAM – TechCult
Note: RAM slots on most motherboards WITH 4 slots have the marking A1, A2, B1, and B2. ... To set up dual channel RAM, you need to install two identical memory modules into your computer’s memory slots.
Does it matter what slots I use for RAM? | Tom's Hardware Forum
Hi, I got a new computer with a Asrock z97 Anniversary mobo, I put my RAM in slots A2 and B2, does it matter?
Will it have any performance decreases or problems if I use these slots instead of A1 and B1. I would prefer not to move it as otherwise my CPU cooler will not fit.