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won't go fast, Pls Help


sea_eng1979

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I've tried about a dozen settings on the board but cannot get it to run any faster than about 1200MHz and get Vista to full start up, or to get through more than a few minutes of OCCT.

 

I've read through a few threads, like this one... http://www.houseofhelp.com/forums/showthread.php?p=372020

 

I have the FSB anywhere between 1333MHz and 1750MHz, and the processor seems to be stable. Is it best to have a FSB:DRAM ratio that is closer to unity (closer to 1:1), or higher or lower?

 

The way I have been changing the settings is using the DRAM FREQUENCY Option (incrementing the value up and up, but it doesn't do well past 1200MHz.

 

Do I need to change other settings? Like voltages? Or different timings?

 

Could this be a Bios Update Issue? I haven't updated the Bios ever, not even when I got the board (Nov 2008). If that could help, how do I do that?

 

Is it possible to get all 4 sticks of memory going at 1600Mhz? I'd really like them to!

 

 

Thanks,

-Scott

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As long as they can hit 1600 Mhz as a SINGLE pair, then the memory's working fine. Sounds like your memory controller can't handle 1600 @ full load, which isn't surprising.

 

I agree. I would advise a drop to two modules or run the DRAM at 1333Mhz. The only memory Corsair supports in a four DRAM slot population is their Quad kits and they do not have any Quad Kits in DDR3. This does not mean two dual kits or even worse two dual kits of different versions will not work together, just that you have no recourse to RMA Corsair if they do not work together. If there are problems with the DRAM modules, they are still supported via lifetime warranty, but that is for physical defects and errors in a two stick kit mode. Matched Quad sets are highly binned modules for a four slot population. The Dual sets are tested as a kit, not a Quad and warranted as a dual kit, not a Quad setup. You need to Memtest them as Kits (2 modules, not as a four DRAM slot population). If they fail as a kit or singly, then you have RMA. Keep in mind that there is no support for mixing and matching different versions of DRAM either since different version are of different fabrications and/or manufacturers. They might work, they might not work, but you have no support if they do not work.

 

You are advised to drop the bandwidth to 1333Mhz and raise the Northbridge/MCH Memory Controller +.2v.

 

Please research this thread:

 

http://www.houseofhelp.com/v3/showthread.php?t=64360&highlight=Unpredictable+results+QUAD2X4096+Gigabyte+X38-DS5

 

There is a limitation of the On Motherboard (Intel) memory controller or On CPU (AMD) and a population of all four banks at the full speed of a two bank run. This limitation is across the board with both AMD and Intel chipset based boards, DDR, DDR2 and DDR3.

 

Keep in mind that often issues can arise in the longer term even though you have shorter term stability. The issues seldom damage the DRAM unless you raise the DRAM voltage too high. They damage the on CPU (AMD) memory controller which has a harder time keeping up with the demands of a four DRAM slot population being run as fast as a two DRAM slot population.

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