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  • RAM Settings

    I recently decided to upgrade from 8GB to 16GB of RAM, and after installing the new RAM I'm getting some weird speed readings. I think I set everything right in the BIOS, but for some reason Speccy says my PC3-1700 RAM is running at PC3-10700.

    Not only that, but since installing it I have had it hang and force me to do a manual reset multiple times. Most of the time there were no applications running, it just hung on a blank desktop. Any ideas for where to start troubleshooting this kind of issue would be appreciated.

    I've got as much information as you could possibly want about my system, but I'm not sure what to include aside from a general system summary, my RAM info, and my motherboard info.

    Code:
    Summary
    		Operating System
    			MS Windows 7 Ultimate 64-bit SP1
    		CPU
    			AMD Phenom II X6 1100T	28 ?C
    			Thuban 45nm Technology
    		RAM
    			16.0 GB Dual-Channel DDR3 @ 666MHz (9-11-11-30)
    		Motherboard
    			MSI 890FXA-GD70 (MS-7640) (CPU1)	33 ?C
    		Graphics
    			TX-NR3007 (1920x1080@60Hz)
    			ATI Radeon HD 4800 Series (Sapphire/PCPartner)	63 ?C
    		Hard Drives
    			59GB OCZ OCZ-VERTEX2 ATA Device (SATA)	30 ?C
    			1465GB Western Digital WDC WD1502FAEX-007BA0 ATA Device (SATA)	37 ?C
    			1465GB Western Digital WDC WD1502FAEX-007BA0 ATA Device (SATA)	36 ?C
    		Optical Drives
    			Optiarc DVD RW AD-7240S ATA Device
    			ELBY CLONEDRIVE SCSI CdRom Device
    		Audio
    			AMD High Definition Audio Device
    Operating System
    	MS Windows 7 Ultimate 64-bit SP1
    Code:
    RAM
    		Memory slots
    			Total memory slots	4
    			Used memory slots	2
    			Free memory slots	2
    		Memory
    			Type	DDR3
    			Size	16384 MBytes
    			Channels #	Dual
    			DRAM Frequency	666.7 MHz
    			CAS# Latency (CL)	9 clocks
    			RAS# to CAS# Delay (tRCD)	11 clocks
    			RAS# Precharge (tRP)	11 clocks
    			Cycle Time (tRAS)	30 clocks
    			Bank Cycle Time (tRC)	33 clocks
    			Command Rate (CR)	1T
    		Physical Memory
    			Memory Usage	12 %
    			Total Physical	16 GB
    			Available Physical	14 GB
    			Total Virtual	45 GB
    			Available Virtual	43 GB
    		SPD
    			Number Of SPD Modules	2
    				Slot #1
    					Type	DDR3
    					Size	8192 MBytes
    					Manufacturer	G.Skill
    					Max Bandwidth	PC3-10700 (667 MHz)
    					Part Number	F3-2133C9-8GBXH
    					SPD Ext.	EPP
    						XMP--2
    							Frequency
    						XMP--2
    							Frequency
    						JEDEC #6
    							Frequency	761.9 MHz
    							CAS# Latency	10.0
    							RAS# To CAS#	10
    							RAS# Precharge	10
    							tRAS	28
    							tRC	38
    							Voltage	1.500 V
    						JEDEC #5
    							Frequency	685.7 MHz
    							CAS# Latency	9.0
    							RAS# To CAS#	9
    							RAS# Precharge	9
    							tRAS	25
    							tRC	34
    							Voltage	1.500 V
    						JEDEC #4
    							Frequency	609.5 MHz
    							CAS# Latency	8.0
    							RAS# To CAS#	8
    							RAS# Precharge	8
    							tRAS	22
    							tRC	30
    							Voltage	1.500 V
    						JEDEC #3
    							Frequency	533.3 MHz
    							CAS# Latency	7.0
    							RAS# To CAS#	7
    							RAS# Precharge	7
    							tRAS	20
    							tRC	27
    							Voltage	1.500 V
    						JEDEC #2
    							Frequency	457.1 MHz
    							CAS# Latency	6.0
    							RAS# To CAS#	6
    							RAS# Precharge	6
    							tRAS	17
    							tRC	23
    							Voltage	1.500 V
    						JEDEC #1
    							Frequency	381.0 MHz
    							CAS# Latency	5.0
    							RAS# To CAS#	5
    							RAS# Precharge	5
    							tRAS	14
    							tRC	19
    							Voltage	1.500 V
    				Slot #2
    					Type	DDR3
    					Size	8192 MBytes
    					Manufacturer	G.Skill
    					Max Bandwidth	PC3-10700 (667 MHz)
    					Part Number	F3-2133C9-8GBXH
    					SPD Ext.	EPP
    						XMP--2
    							Frequency
    						XMP--2
    							Frequency
    						JEDEC #6
    							Frequency	761.9 MHz
    							CAS# Latency	10.0
    							RAS# To CAS#	10
    							RAS# Precharge	10
    							tRAS	28
    							tRC	38
    							Voltage	1.500 V
    						JEDEC #5
    							Frequency	685.7 MHz
    							CAS# Latency	9.0
    							RAS# To CAS#	9
    							RAS# Precharge	9
    							tRAS	25
    							tRC	34
    							Voltage	1.500 V
    						JEDEC #4
    							Frequency	609.5 MHz
    							CAS# Latency	8.0
    							RAS# To CAS#	8
    							RAS# Precharge	8
    							tRAS	22
    							tRC	30
    							Voltage	1.500 V
    						JEDEC #3
    							Frequency	533.3 MHz
    							CAS# Latency	7.0
    							RAS# To CAS#	7
    							RAS# Precharge	7
    							tRAS	20
    							tRC	27
    							Voltage	1.500 V
    						JEDEC #2
    							Frequency	457.1 MHz
    							CAS# Latency	6.0
    							RAS# To CAS#	6
    							RAS# Precharge	6
    							tRAS	17
    							tRC	23
    							Voltage	1.500 V
    						JEDEC #1
    							Frequency	381.0 MHz
    							CAS# Latency	5.0
    							RAS# To CAS#	5
    							RAS# Precharge	5
    							tRAS	14
    							tRC	19
    							Voltage	1.500 V
    Motherboard
    	Manufacturer	MSI
    	Model	890FXA-GD70 (MS-7640) (CPU1)
    	Version	1.0
    	Chipset Vendor	AMD
    	Chipset Model	890FX
    	Chipset Revision	02
    	Southbridge Vendor	AMD
    	Southbridge Model	SB850
    	Southbridge Revision	40
    	System Temperature	33 ?C
    		BIOS
    			Brand	American Megatrends Inc.
    			Version	V1.8
    			Date	02/24/2011
    		Voltage
    			+3.3V	3.280 V
    			CPU CORE	1.232 V
    			DRAM	1.640 V
    			+5V	5.003 V
    			+12V	11.968 V

  • #2
    Looks like you've got Ripjaws X 2133 2x8GB CL9 sticks, an 1100T on a MSI 890FXA-GD70, right now it's at default, if your mobo supports it, make sure you have the latest BIOS and see if it uses DOCP, if so you can try that to get to 2133, but think you'll have to settle for 1600 or 1866 w/ 16GB
    Last edited by GSKILL TECH; 06-04-2012, 02:45 PM.


    Pls offer comments on support I provide, HERE, in order to help me do a better job here:

    Tman

    Comment


    • #3
      Inputt these settings and let us know the result:

      CPU Host Frequency 233 for DDR3-1866. That CPU can only support DDR3-1600 max, so overclock settings are necessary for DDR3-1866.

      Note, this will also overclock your CPU Frequency, so you should lower the CPU Ratio if this is not desired.

      CPU-NB Frequency should be 2800MHz, or 12X (233 * 12 = ~2800).

      Then set DRAM Timings to tCL 9 - tRCD 10 - tRP 9 - tRAS 28

      DRAM Voltage 1.55V

      Lastly, CPU-NB Voltage 1.20V-1.25V. This will help the CPU stabilize DDR3-1866 since AMD technically supports 2 modules of DDR3-1600 only. If this above works, then we can try to tweak for DDR3-2133.

      Thank you
      GSKILL TECH

      Comment


      • #4
        So I went in and changed everything I could, but no matter what I tried I couldn't set the CPU-NB Voltage manually. It is currently set at 1.235 right now, however, which seemed to be within the range you specified.

        Everything else was changed without issue, but it's still showing my RAM running at 666.7Mhz when Windows loads up, although the timings (9-10-9-28) are showing up properly.

        There were a lot of settings I left on "Auto" in the Advanced DRAM Configuration menu, I dunno if any of these should be set manually:

        tRTP
        tRC
        tWR
        tRRD
        tWTR
        tRFC0
        tRFC1
        tRFC2
        tRFC3

        Aside from the CPU-NB Voltage, I also am unable to change CPU-VDD Voltage or CPU-NB VDD Voltage. I don't know if either of those matter.

        There was also a ratio setting (I believe it was FSB/DRAM Ratio) that auto-set itself to 1:2.66, but can be changed to 1:1, 1:3.33, and 1:4 as well. Again, not sure whether it matters or not.

        Comment


        • #5
          Do you have the latest BIOS? also does your mobo support DOCP, if so give it a try


          Pls offer comments on support I provide, HERE, in order to help me do a better job here:

          Tman

          Comment

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