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Thread: Help With OC of GA-EP45-DS3L - Latch Frequency & RAM Timings




  1. #21
    ed1 is offline Member
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    Default Re: Help With OC of GA-EP45-DS3L - Latch Frequency & RAM Timings

    robertsmith, lowering MCH core voltage from 1.10v to 1.05v has brought instant stability to the GA-EP45-DS3L board for quite a few people when running 2x2gb of RAM.

    Lsdmeasap can confirm this, I'm sure, as noted in several threads on this forum. While I am certainly not an expert as LSD is on these matters, it appears to me from my own experience and that of other posters that there could be some sort of voltage regulation or voltage reporting problem with this motherboard or the bios. It is easily corrected with a simple setting adjustment in the bios and not a reason to throw in the towel. The board performs perfectly after the change.

  2. #22
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    Default Re: Help With OC of GA-EP45-DS3L - Latch Frequency & RAM Timings

    He is correct, and It seems to only affect DS3x models and certain BIOS's from what I have seen.

  3. #23
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    Default Re: Help With OC of GA-EP45-DS3L - Latch Frequency & RAM Timings

    i am having similar issues as Robert Smith was having, I am running the GA-EP45-DS3L and the e5200 processor. I am using the OCZ 2x2GB Fatal1ty ddr2 1066 memory. the memory has timings of 6-7-7-20 and 2.0v. The memory seems the be working well, however the best overclock I can get is 3.6ghz (300mhz x 12) @ ~1.45v. if i switch the fsb to 333, it won't post at 3.0ghz, or 333mhz x 9.

    my latch is set to auto, although I have tried the settings suggested by LSD for latch/mem multi

    My timings are set to 6-7-7-20 @ 2.0v even though the manufacturer specifies 7-7-7-20, it wouldnt post

    BIOS is F10 (latest release)

    Also, i set the MCH Core to 1.050v as suggested.

    No matter what, I can't seem to post with a 333 bus

    Any advice?

  4. #24
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    Default Re: Help With OC of GA-EP45-DS3L - Latch Frequency & RAM Timings

    Has anyone experinced any problems after updating fo F10 BIOS. After I updated OC settings do not work. I will try gong back to F9 and see if that fixes the problem.

    Also does anyone have sugested OC settings for this memory

    Model
    Brand GeIL
    Model GX24GB8500C5UDC
    Type 240-Pin DDR2 SDRAM
    Tech Spec
    Capacity 4GB (2 x 2GB)
    Speed DDR2 1066 (PC2 8500)
    Cas Latency 5
    Timing 5-5-5-15
    Voltage 2.2V - 2.4V


    for some reason BIOS shows it at 800Mhz instead of 1066.

  5. #25
    Lsdmeasap's Avatar
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    Default Re: Help With OC of GA-EP45-DS3L - Latch Frequency & RAM Timings

    @ DBurns6386

    Please post your full settings you are trying when you try 333 and I will see if I can help, and you may want to be trying the normal suggested 1.2-1.3 MCH Voltage as that undervolt only helps SOME Boards

    @ db0511

    You have to either change your FSB or you memory multi, hard to say without your full specs posted

  6. #26
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    Default Re: Help With OC of GA-EP45-DS3L - Latch Frequency & RAM Timings

    I will try to get those posted asap. there's no easy way to export settings right? I'm wondering if i would see much benefit pursueing 333mhz at this point anyway, as I currently have it up to 3.75ghz 300 x 12.5 and it seems to be pretty stable. I will get back to you...

  7. #27
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    Default Re: Help With OC of GA-EP45-DS3L - Latch Frequency & RAM Timings

    Also, my vcore is set to 1.5 in the bios to get 1.45-1.47(it bounces around) in cpu-z. is this OK/normal?

  8. #28
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    Default Re: Help With OC of GA-EP45-DS3L - Latch Frequency & RAM Timings

    oh and db0511, I installed F10 right out of the gate so i'm not sure if that helped or hurt.

  9. #29
    Lsdmeasap's Avatar
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    Default Re: Help With OC of GA-EP45-DS3L - Latch Frequency & RAM Timings

    Ya, you have to manually give me your settings, no easy way really. You could print out the template though and note to yourself the settings and then write back here. That would be a little easier then witting the template out manually

    That is Way high actual Vcore!!!!! What Vtt (Termination) are you using?

    The fluctuation is normal, What you set in the BIOS vs what you get in windows at idle is vdrop, and what you get at load vs idle is Vdroop. Intel design to save your CPU From killing itself

    Here is you a blank Template.. Well mostly blank

    This is Just a template I use to ask people their settings, pay no attention to the numbers in it, replace with yours

    Code:
    MB Intelligent Tweaker(M.I.T.)
    Robust Graphics Booster ...............: 
    CPU Clock Ratio ..........................: 
    Fine CPU Clock Ratio.....................:.0
    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...........................: <<< 
    PCI Express Clock Drive.................: <<< 
    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..........................................
    
    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...................:<<< 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...................:<<< 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
    Voltage Type.………... Manual
    CPU
    CPU Vcore….……….........................:
    CPU Termination…..... 1.200V*.......: <<< Leave
    CPU PLL…………………....1.500V*.......: << Please set to stock, Auto overvolts this way to much
    
    CPU Referen.…………....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……………….....1.550V............: <<< 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

  10. #30
    Join Date
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    Default Re: Help With OC of GA-EP45-DS3L - Latch Frequency & RAM Timings

    Sorry it took so long, life got in the way! Here are a few snapshots of my current settings and cpu-z verifcation. it seems that after this current speed turning up the voltage makes little impact on the fsb i am able to attain. i set the mch core to 1.3 and have so far seen no ill effects. please let me know what you think.




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