I have had a 4GB RAM stick in my MSI Motherboard for about 3 years (Windows 7 64 bit), and decided I wanted to put in the other 2 sticks that came with the 12GB kit. Everything ran fine, checked DXDIAG, and it still only reads 4GB. Does that mean that the other 8GB aren’t functioning, or is it just showing 4GB in the report even with 12GB working? After I installed, it was obvious the system detected the new hardware and installed necessary drivers, all of which were successful.
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This may be due to installing the modules in the wrong slots, a BIOS setting, or you may need to reset the CMOS.
There are lots of advanced settings for memory in the BIOS.
There are several BIOS updates that refer to memory compatibility. This indicates the board is fussy about what RAM it can successfully run.
There is a reset button on the board that I am not sure of the function.
Link to manual download below.
http://us.msi.com/service/download/…
message edited by OtheHill