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Thread: ep45-ds3 no boot with dual channel dominator 8500c5d




  1. #1
    Join Date
    Jul 2009
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    1

    Default ep45-ds3 no boot with dual channel dominator 8500c5d

    this mobo (ep45-ds3) just won boot with dual channel,the ram is corsair dominator twin2x2048-8500c5d.it can only boot when i install the ram to slot 1 and 2(single channel).try alot bios setting like 667mhz or 800mhz for the ram.MCH till 1.4 and Dram voltage to 2.2,not working....

  2. #2
    Join Date
    Mar 2009
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    Default Re: ep45-ds3 no boot with dual channel dominator 8500c5d

    Well set your timing to 5-5-5-15 and dram voltage to 2.1. It would be easier if we knew more about you system.

    What are your bios settinge set to? Can you post them using a template?

    Code:
    MB Intelligent Tweaker(M.I.T.)
    Robust Graphics Booster ...............: <<< Auto or Fast
    CPU Clock Ratio ..........................: 
    Fine CPU Clock Ratio.....................:
    CPU Frequency ...........................: 
    
    Clock Chip Control 
    Standard Clock Control
    CPU Host Clock Control..................: [Enabled] 
    CPU Host Frequency (Mhz) ............: 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)....................: <<< 
    MCH Clock Skew (ps)...................: <<< 
    
    DRAM Performance Control
    Performance Enhance...................: [STANDARD]
    Extreme Memory Profile (X.M.P.).....: Disabled
    (G)MCH Frequency Latch...............: [Auto]
    System Memory Multiplier ..............: 
    Memory Frequency (Mhz) ..............: 
    DRAM Timing Selectable ................: [Manual]
    
    Standard Timing Control
    CAS Latency Time.......................:
    tRCD ........................................:
    tRP'..........................................:
    tRAS.........................................:
    
    Set all Suggested below to highest Values first.  Then later you can lower, one at a time, testing as you go
    
    Advanced Timing Control
    tRRD..........................................:
    tWTR.........................................:
    tWR..........................................:
    tRFC..........................................:
    tRTP..........................................:
    Command Rate (CMD) ....................:2
    
    Driving Strength Profiles
    Driving Strength ...........................:
    
    Channel A
    Static tRead Value.........................:  <<< 6/7-10 333/B MCH - 8/9-12 400/D MCH
     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.........................:  <<< 6/7-10 333/B MCH - 8/9-12 400/D MCH
     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….……….........................: <<< Auto if not overclocking, if you are overclocking please do find and set your own voltages
    
    CPU Termination…..... 1.200V*.......: <<< If overclocking Please set to stock, Auto overvolts this way to much.  Optimal range for overclock would be 1.2-1.5 depending on Vcore, try to keep at least .1 under vcore.  Auto is fine if not overclocking
    
    CPU PLL…………………....1.500V*.......: <<< If overclocking Please set to stock, Auto overvolts this way to much.  Optimal range for overclock would be 1.5-1.65.  Auto is fine if not overclocking
    
    CPU Reference…………....0.755V*.......: <<< .64% Of Vtt (Termination above) Auto Will set this correctly 
    
    CPU Reference2………,,0.800V*.......:  <<< .67% Of Vtt (Termination above) Auto Will set this correctly 
    
    MCH/ICH
    MCH Core…………….....1.100V...........: << 
    MCH Reference….…….0.800V...........; <<< Leave
    MCH/DRAM Ref.…......0.900V...........: <<< Leave
    ICH I/O……………….....1.500V............: <<< Leave
    ICH Core…………...……1.100V............: <<< Leave
    
    DRAM
    DRAM Voltage ……....1.800V............: 
    DRAM Termination .…0.900V............: <<< Leave
    Channel A Reference 0.900V............: <<< Leave
    Channel B Reference 0.900V............: <<< Leave
    
    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................: [Disabled] Enabled if you use Vmware/Virtual PC
    
    Integrated Peripherals
    Legacy USB Storage Detect ..............[Disabled] *Note* Must be enabled to flash from USB
    Last edited by Conners; 07-23-2009 at 02:07 AM.

  3. #3
    Join Date
    Apr 2009
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    Default Re: ep45-ds3 no boot with dual channel dominator 8500c5d

    Also use a copy of Memtest to check the module(s) aren't/isn't faulty. This can be a symptom of a faulty stick of RAM as well as a motherboard fault or incorrect setting.

    Do 5 full passes in Memtest with each module. If you get errors, switch to the next slot and try again.

    Have you tried dual channel using slots 2&4 rather than 1&3? Obviously 1&3 should work just as well, but that would also help to see if any slots are bad.
    Coolermaster CM 690 II advance Case
    Corsair HX750 (CWT, 91%(80+ Gold rated @230V) single 62A 12V rail
    P55A-UD4 v2.0 @ F14
    Core i5 760 @ 20 x 201, 4.02GHz
    TRUE Black with a single Noctua NF-P12 pumping out 55 CFM @ 19db .
    2 x 2GB Mushkin Ridgeback (996902), @ 7-10-8-27, 2010-DDR, 1.66v
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    Intel X25-M Boot Drive (OS and Programs) 200MB/s Read & 90MB/s Write
    Corsair X32 200MB/s Read & 100MB/s Write
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    Samsung F3 500GB Backup/Images
    Noctua 1300RPM 19dB case fan (rear extraction)
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