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Thread: ep45t-ds3r overclock won't latch memory




  1. #1
    Join Date
    Nov 2008
    Posts
    7

    Default ep45t-ds3r overclock won't latch memory

    I'm running the f4c bios currently and I have a stable system right now. The issue is that I would like to be able to overclock as I'm running an H50 to my cpu it can go much faster. Only problem is, as soon as I take my computer anywhere out of spec it wont latch the memory and refuses to boot.

    Any guesses?

    ep45t-ds3r [f4c]
    intel core 2 quad 9650
    G.Skill F3-12800CL9-4GBNQ running at 1333 at 7-7-7-20

    thanks,
    rumblpak

    [edit] Bios info
    Code:
    MB Intelligent Tweaker(M.I.T.)
    Robust Graphics Booster ...............: Auto
    CPU Clock Ratio ..........................: 9
    Fine CPU Clock Ratio.....................:.0
    CPU Frequency ...........................: 9 x 333
     
    Clock Chip Control 
    Standard Clock Control
    CPU Host Clock Control..................: [Enabled] 
    CPU Host Frequency (Mhz) ............: 333 Mhz
    PCI Express Frequency (Mhz) .........: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] <<< 333
    System Memory Multiplier ..............: [3.20B] <<< 4.0B
    Memory Frequency (Mhz) ..............: 1333
    DRAM Timing Selectable ................: [Manual]
    Standard Timing Control
    CAS Latency Time........................ [9] <<< 7
    tRCD ......................................... [9] <<< 7
    tRP'........................................... [9] <<< 7
    tRAS.......................................... [25] <<< 20
     
    Advanced Timing Control
    tRRD........................................... Auto
    tWTR.......................................... Auto
    tWR............................................ Auto
    tRFC........................................... Auto <<< 68
    tRTP........................................... Auto
    Command Rate (CMD) ....................:2
    Driving Strength Profiles
    Driving Strength ............................
    Channel A
    Static tRead Value.........................:Default <<< 7
    tRD Phase0 Adjustment...................:Auto 
    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.........................:Default <<< 7
    tRD Phase0 Adjustment...................:Auto 
    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 <<< 1.225V
    CPU Termination…..... 1.200V*.......: Auto <<< 1.2v
    CPU PLL…………………....1.500V*.......: Auto <<< 1.5v
    CPU Referen.…………....0.755V*.......: Auto <<< 0.76V
    MCH/ICH
    MCH Core…………….....1.100V...........:  <<< 1.2V
    MCH Reference….…….0.760V...........; <<< 0.76V
    MCH/DRAM Ref.…......0.750V...........: <<< 0.75V
    ICH I/O……………….....1.500V............: <<< 1.5V
    DRAM
    DRAM Voltage ……....1.500V............: 1.5V (if i set this to anything else it wont boot)
    DRAM Termination .…0.750V............: <<< 0.75v
    Channel A Reference 0.750V............: <<< 0.75v
    Channel B Reference 0.750V............: <<< 0.75v
    Advanced Settings
    Limit CPUID Max. to 3.....................: [Disabled]
    No-Execute Memory Protect............: [Enabled]
    CPU Enhanced Halt (C1E)................: [Enabled]
    C2/C2E State Support....................: [Disabled]
    x C4/C4E State Support..................: [Disabled]
    CPU Thermal Monitor 2(TM2) ...........: [Enabled]
    CPU EIST Function.........................: [Enabled]
    Virtualization Technology................: [Disabled]
    Integrated Peripherals
    Legacy USB Storage Detect ..............[Enabled]

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    Last edited by rumblpak; 03-13-2010 at 11:10 PM. Reason: more info

  2. #2
    Chike is offline Senior Member
    Join Date
    Jun 2009
    Location
    Israel
    Posts
    6,531

    Default Re: ep45t-ds3r overclock won't latch memory

    Read this post.
    Follow steps 1-4 for additional information that will help us to assist you.

  3. #3
    Join Date
    Nov 2008
    Posts
    7

    Default Re: ep45t-ds3r overclock won't latch memory

    Apparently it is an issue with the memory latch and memory voltage in the beta bios, reverting to the F3 bios allows me to overclock and change the memory voltage without a hard crash. Now to get to 4.0GHz stable...
    <div_prefs id="div_prefs"></div_prefs><div_prefs id="div_prefs"></div_prefs>

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