2 ram slots dual channel: Dell R740 not recongizing memory module in slot A1 - #5 by adrian ... . How To Enable Dual-Channel RAM to Boost PC Performance - Make ... . How to Check if RAM is Dual Channel? - PC Guide 101.
There are four
ram slots, and they are a1,a2,b1,b2. In manual its said that a1,b1 - dual channel and a2 - b2 dual channel.
The motherboard shown is capable of supporting dual-channel RAM but is currently in single-channel RAM mode, with one empty memory
slot.
How to check if RAM is dual-channel or single-channel?