Question I have installed 1x8gb Hyperx fury ddr3 ram and 1x4gb hyperx fury ddr3 ram do i need to enable or disable channel interleaving on my bios?

[VishnuV1998]

Mobo: H81MS
Cpu: Pentium G3240 3.1ghz

Also can someone please advice me which other settings to change to utilize the memory to the maximum?

 

[rgd1101]

maximum? should be happy if you can get it to work with different ram.

do i need to enable or disable channel interleaving on my bios?

test it out and see which one don't crash.

 

[logainofhades]

You are killing your performance, if it will even work at all. Ram should always be in matched pairs.