wookiemonster Posted March 9, 2012 Share Posted March 9, 2012 i have the Gigabyte 990FXA-D3 motherboard, AMD FX 8150 8-core AM3+ CPU and the CMT8GX3M2A1866C9 memory kit. I can't get the memory to run at 1866MHz, it just defaults back to 1333MHz. Any suggestions please? Link to comment Share on other sites More sharing options...
Turbonerfs101e Posted March 9, 2012 Share Posted March 9, 2012 hi Check if bios is up to date as it help for stabylity and compatibility test all memory stick separately to see if one is defect I don't tink that your amd ave XMP profile so u ave to set manualy Don't forget to set memory to 9-10-9-27 latency Hope this help Sincerly yours Link to comment Share on other sites More sharing options...
peanutz94 Posted March 9, 2012 Share Posted March 9, 2012 Actually you might want t o get in touch with AMD and or Gigabyte. There are many many reports of the ram not running at the 1866mhz spec they said it would. It's not a RAm problem as much as it is CPU/MB Turbonerf is correct, you can not use XMP with AMD systems. It is an Intel only technology. Sorry! Link to comment Share on other sites More sharing options...
wookiemonster Posted March 9, 2012 Author Share Posted March 9, 2012 i have updated the BIOS, no change. i couldn't find any latency settings in my BIOS. will try get hold of AMD or Gigabyte to try figure this out. ive changed so many settings and cleared the BIOS and started over so many times now. still nothing Link to comment Share on other sites More sharing options...
peanutz94 Posted March 10, 2012 Share Posted March 10, 2012 Be sure to let us kinow what you hear from them. If anything helps we can pass it along to others in the same boat. ! Cheers! Link to comment Share on other sites More sharing options...
Turbonerfs101e Posted March 10, 2012 Share Posted March 10, 2012 Look at page 35 to37 http://download.gigabyte.us/FileList/Manual/mb_manual_ga-990fxa-d3_e.pdf first clear bios to default after go in -MB Intelligent Tweaker(M.I.T.) -DRAM Configuration -Set Memory Clock (set to manuel) -Memory Clock (set to 1866) -DDR3 Timing Items (set to manuel) -CAS# latency (at 9) -RAS to CAS R/W Delay (AT 10) -Row Precharge Time (AT 9) -Minimum RAS Active Time (AT 27) The adjustable range is dependent on the CPU being installed. The AMD FX Processor features a high-bandwidth, low-latency integrated memory controller that supports up to DDR3-1866 and new low voltage memories of 1.35V and 1.2V Maybe you nead low voltage memory to run with your system? Hope u find your tuning in bios with the reference i give you Sincerly yours Link to comment Share on other sites More sharing options...
peanutz94 Posted March 10, 2012 Share Posted March 10, 2012 It's not NEEDED, just supported. It still supports higher voltage memory as well. Link to comment Share on other sites More sharing options...
wookiemonster Posted March 11, 2012 Author Share Posted March 11, 2012 Look at page 35 to37 http://download.gigabyte.us/FileList/Manual/mb_manual_ga-990fxa-d3_e.pdf first clear bios to default after go in -MB Intelligent Tweaker(M.I.T.) -DRAM Configuration -Set Memory Clock (set to manuel) -Memory Clock (set to 1866) -DDR3 Timing Items (set to manuel) -CAS# latency (at 9) -RAS to CAS R/W Delay (AT 10) -Row Precharge Time (AT 9) -Minimum RAS Active Time (AT 27) The adjustable range is dependent on the CPU being installed. The AMD FX Processor features a high-bandwidth, low-latency integrated memory controller that supports up to DDR3-1866 and new low voltage memories of 1.35V and 1.2V Maybe you nead low voltage memory to run with your system? Hope u find your tuning in bios with the reference i give you Sincerly yours That worked 100% :): Thank you so very much! Link to comment Share on other sites More sharing options...
Turbonerfs101e Posted March 12, 2012 Share Posted March 12, 2012 Glad tath ave been able to help Link to comment Share on other sites More sharing options...
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