Question about Memory Bios Settings for F3-12800CL9D-4GBRL

[reynold21]

I have 2 different sets of memory that require different voltage settings at 1600mhz. Before I install my question would be is there anyway to set in the bios 2 different dram voltage settings. The Gskill requires only 1.5 to 1.55 where as the kingston requires 1.7 to 1.8 and they are running on a P7P55D EVO motherboard.

I have a set of G.SKILL Ripjaws Series 4GB (2 x 2GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Desktop Memory Model F3-12800CL9D-4GBRL

and I also have a set of Kingston HyperX 4GB (2 x 2GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Desktop Memory Model KHX1600C9D3K2/4G

I bought the Kingston thinking that my gskill memory was defective and I found out that was not the case.

[wevsspot]

Unfortunately there isn't any way to set different DRAM Voltages for individual dimm slots or memory channels.

The DRAM voltage you select in the BIOS will be applied to all of the DIMM slots.

With the huge variation in DRAM voltage requirements I don't think there is any way you'll be able to incorporate both kits in your build.

I think the best advice would be to decide which kit you want to keep, then sell the other. Put the proceeds towards a compatible kit to go with what you kept.

[Tradesman]

You might be able to put the Ripjaws in 1-3 the Kingston in 2-4, set the voltage at 1.65 and the speed to 1333, which might work and then experiment from there. Wouldn't take the voltage any higher than that, which is safe for the Ripjaws, but the slower speed might allow the Kingstons to pull at the lower voltage and w/ 8GB instead of 4 the speed drop would be negligible