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Thread: I can't get memory to run in 1:1 Setting? Corsair




  1. #1
    Join Date
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    Default I can't get memory to run in 1:1 Setting? Corsair

    I have been trying to set my memory at a 1:1 divider and everytime I take it from auto down to 2.00D it will not post. I don't know much about the advanced timings or how to go about setting them. The Ram runs stable at the current settings I am listing. Any help you can give me is greatly appreciated. Anything else you need to know please just ask.

    CPU = Intel Q9550
    Motherboard = EP45T-DS3R 1.0
    BIOS Version =F4H
    Ram = Corsair 2x2048 CM3X2G1600C9DHX
    http://www.corsair.com/_datasheets/tw3x4g1600c9dhx.pdf

    PSU = Antec 650watt

    Code:
    MB Intelligent Tweaker(M.I.T.)
    Robust Graphics Booster ...............: Fast
    CPU Clock Ratio ..........................: 8.0    
    Fine CPU Clock Ratio.....................:..5
    CPU Frequency ...........................: 3600
    
    
    Clock Chip Control 
    Standard Clock Control
    CPU Host Clock Control..................: [Enabled] 
    CPU Host Frequency (Mhz) ............:  423 Mhz
    PCI Express Frequency (Mhz) .........:Set to 100
    
    C.I.A.2 .................................:[Disabled]
    
    
    Advanced Clock Control [Press Enter]
    CPU Clock Drive...........................: <<< 800
    PCI Express Clock Drive.................: <<< 900
    CPU Clock Skew (ps)....................: <<< 0
    MCH Clock Skew (ps)...................: <<< 0
    
    
    DRAM Performance Control
    Performance Enhance...................: [STANDARD]
    Extreme Memory Profile (X.M.P.).....: Disabled
    (G)MCH Frequency Latch...............: [Auto]
    System Memory Multiplier ..............: Auto
    Memory Frequency (Mhz) ..............: 1353
    DRAM Timing Selectable ................: [Manual]
    
    Standard Timing Control
    CAS Latency Time........................ 9
    tRCD ......................................... 9
    tRP'........................................... 9
    tRAS.......................................... 24
    
    
    Advanced Timing Control
    tRRD...........................................Auto
    tWTR.......................................... Auto
    tWR............................................Auto
    tRFC...........................................Auto
    tRTP...........................................Auto
    Command Rate (CMD) ....................:2
    
    Driving Strength Profiles
    Driving Strength ............................ Auto
    
    Channel A
    Static tRead Value.........................: 9
     tRD Phase0 Adjustment...................:Auto <<< Leave for all below as well
    tRD Phase1 Adjustment...................:Auto
     tRD Phase2 Adjustment .................:Auto
     tRD Phase3 Adjustment..................:Auto
    Trd2rd(Different Rank)....................:Auto 
    Twr2wr(Different Rank)...................:Auto 
    Twr2rd(Different Rank)...................:Auto 
    Trd2wr(Same/Diff Rank)..................:Auto 
    Dimm1 Clock Skew Control...............:Auto  ps
    Dimm2 Clock Skew Control...............:Auto  ps
    
    Channel B
    Static tRead Value.........................: 9
     tRD Phase0 Adjustment...................:Auto <<< Leave for all below as well
    tRD Phase1 Adjustment...................:Auto
     tRD Phase2 Adjustment .................:Auto
     tRD Phase3 Adjustment..................:Auto
    Trd2rd(Different Rank)....................:Auto 
    Twr2wr(Different Rank)...................:Auto 
    Twr2rd(Different Rank)...................:Auto 
    Trd2wr(Same/Diff Rank)..................:Auto 
    Dimm1 Clock Skew Control...............:Auto  ps
    Dimm2 Clock Skew Control...............:Auto  ps
    
    Motherboard Voltage Control
    
    CPU
    CPU Vcore….……….........................: 1.281v
    
    CPU Termination…..... 1.200V*.......: << 1.28
    
    CPU PLL…………………....1.500V*.......: << 1.57 
    
    CPU Referen.…………....0.755V*.......: <<< .76 
    
    CPU Reference2………,,0.800V*.......:<<< N/A
    
    MCH/ICH
    MCH Core…………….....1.100V...........: << 1.28
    MCH Reference….…….0.760V...........; <<< .76
    MCH/DRAM Ref.…......0.900V...........: <<< .75
    ICH I/O……………….....1.500V............: <<< 1.57
    ICH Core…………...……1.100V............: <<< 
    
    DRAM
    DRAM Voltage ……....1.800V............: 1.80
    DRAM Termination .…0.900V............: <<< .75
    Channel A Reference 0.900V............: <<< .75
    Channel B Reference 0.900V............: <<< .75
    
    Advanced Settings
    Limit CPUID Max. to 3.....................: [Disabled]
    No-Execute Memory Protect............: [Enabled]
    CPU Enhanced Halt (C1E)................: [Disabled]
    C2/C2E State Support....................: [Disabled]
    x C4/C4E State Support..................: [Disabled]
    CPU Thermal Monitor 2(TM2) ...........: [Enabled]
    CPU EIST Function.........................: [Disabled]
    Virtualization Technology................: [Enabled]
    
    Integrated Peripherals
    Legacy USB Storage Detect ..............[Enabled]
    Last edited by nova4005; 05-24-2010 at 02:02 AM.

  2. #2
    Join Date
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    990

    Default Re: I can't get memory to run in 1:1 Setting? Corsair

    I don't know why on earth you would want to run DDR3 at 846 MHz, but the problem is probably somewhere in the timings, some combinations just don't work out. Try different values for static tRead (both channels) and for the normal timings, higher values do not necessarily make it more likely to post, sometimes relaxed timings are too relaxed too work (or specific timing combinations cause problems).


  3. #3
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: I can't get memory to run in 1:1 Setting? Corsair

    1:1 is not needed at all, this is a thing of the past.

    You can of course use it if you want, did you try 2.00B as well as 2.00D?

    As mentioned above, this is 1600Mhz memory, why would you want to run it at 8xxMhz? You should use 3.33D, or 4.00D mutli for 1408/1692 if you want to stay at 423 FSB

    Set all your ref and term voltages to Auto if they are not already.

    You also need to set your ram voltage to 1.9V

  4. #4
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    Default Re: I can't get memory to run in 1:1 Setting? Corsair

    Hey,

    Thanks for the help it solved my problem. I increased the DRAM Voltage to 1.9v and the ram to 1692Mhz and am now testing to see how stable it is. Thank you both. I was mainly curious as to why it wouldn't run in the slower settings it seemed like it would go backwards easier than higher. I have been thinking about pushing my overclock higher. I think my settings are good for a little more of an increase.

    What do you think about my settings and increasing the overclock to 3.9Ghz? My ram is the only thing I am concerned about how fast would be safe?

    Is 1.9v the max voltage for this ram. I read somewhere else and it said 2.0v but it wasn't on corsair's site so I wanted to check?
    Last edited by nova4005; 05-25-2010 at 08:08 AM.
    GA-EP45T-DS3R Rev. 1.0 Bios: F4H
    Intel Core 2 Quad Q9550 2.83Ghz Rev. E0 @ 471*8.5 @ 1.34v 35c Idle, 65c Load Stable!
    Corsair PC3-8500F CM3X2G1600C9DHX @ 9-9-9-24 DDR3- 1570Mhz @ 1.800v
    Visiontek Radeon HD 4850 512Mb
    Antec 650 watt PSU
    Antec 900 Case
    Cpu cooler: XSPC V3 water block
    OS= Ubuntu 10.04 LTS

  5. #5
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: I can't get memory to run in 1:1 Setting? Corsair

    Nice to see you got it going!

    Sometimes making things slower than spec can cause unexpected issues, not always though, so this might have been the case.

    If you push to 3.9Ghz you will need to switch to the 3.33D multi, so you dont push the memory to far past what it might be capable of.

    Post an image of CPU-z SPD Tab and we can tell you what your warranty covers for memory voltage, but I do think 2.0V would be pushing it on DDR3 so I suspect it says 1.9V

  6. #6
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    Default Re: I can't get memory to run in 1:1 Setting? Corsair

    Here is the CPU-Z SPD screen capture. I hope its helps thank you for taking time to help me out. I have been messing around with different settings this week and haven't been successful in anything stable over 3.7Ghz. I am going to continue but in the meantime I have went to the 3.33 mutli to keep from burning out me RAM.
    GA-EP45T-DS3R Rev. 1.0 Bios: F4H
    Intel Core 2 Quad Q9550 2.83Ghz Rev. E0 @ 471*8.5 @ 1.34v 35c Idle, 65c Load Stable!
    Corsair PC3-8500F CM3X2G1600C9DHX @ 9-9-9-24 DDR3- 1570Mhz @ 1.800v
    Visiontek Radeon HD 4850 512Mb
    Antec 650 watt PSU
    Antec 900 Case
    Cpu cooler: XSPC V3 water block
    OS= Ubuntu 10.04 LTS

  7. #7
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: I can't get memory to run in 1:1 Setting? Corsair

    Hmm, well the SPD doesn't even show the stock spec voltages?

    Your PDF lilnked above says stock should be 1.8V, so you should be fine with 1.85-1.9, but I probably would not use 2.0V

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