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Thread: EX38-DQ6 and Corsair Dominator 1066 Ram not stable?




  1. #1
    Join Date
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    Exclamation EX38-DQ6 and Corsair Dominator 1066 Ram not stable?

    Hey, I am having stability issues running even 1 2 GB Stick of DDR 2 1066 Corsair Dominator Ram, I am basically getting Random Hard-Locks mainly in games, by random it means I can go 15 mins sometimes before the PC hard-locks and I have to hold down reset and get the PC to power off and back on again, sometimes I can go 40 mins it is really strange?

    My system has the following:

    Intel E8500 3.16 (@ 3.30 - not sure on settings to clock higher -unstable)
    Gigabyte EX38-DQ6 MB (F3 Bios)
    Gigabyte 8800 GTS 512
    2 Gig of DDR2 1066 Dominator Ram
    2 X 500 Gig Sata II harddisks
    Zalman 9500 Cpu cooler

    Now I am VERY new to overclocking, I originally had Memory timings set to AUTO which was a bad idea it set the timings to 7-7-7-24! On advice I set it to 5-5-5-15 but left the Voltages on Auto but I am still getting instability and Hard-Locks where I have to power the system off and on!

    Can someone PLEASE help me set up my voltages and timings to get this system stable at 3.30 or even higher say 3.50 even? ( I know people have been running this CPU at 4.0 gighz how they manage to get it stable I have no idea if I push it any higher than 3.30 I get instability!)

    I tried changing the timings to 6-6-6-17 it boots and posts but still some instability issues in games especially?

    Is it the Memory Voltages that is the issue?

    What does it do if I leave the Voltages on Auto? I know the recommended Voltage for this Ram is 2.1 how do I set it to that?

    Thanks sorry very Noob :)
    Last edited by Thorn2009; 03-13-2009 at 09:09 AM.

  2. #2
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: EX38-DQ6 and Corsair Dominator 1066 Ram not stable?

    Hey, we all have to learn sometime!! Dont feel bad. Did you check out the Sticky guide for overclocking? If not, you may want to give it a read thru a few times, you will learn alot. >>>
    http://forums.tweaktown.com/f69/giga...g-guide-26112/

    I can give you some suggested settings for all your settings, if you would like that please give me a link to your ram or the Model # and give me the settings you are using now >>>

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

    Code:
    Robust Graphics Booster___________ [Auto]
    CPU Clock Ratio ____________ [8] 
    Fine Clock Ratio ____________[0.5]
    CPU Host Clock Control_ [Enabled]
    CPU Host Frequency (MHz)__________ [450] 
    PCI Express Frequency (Mhz)_______ [100]
    C.I.A. 2__________________________ [Disabled]
    System Memory Multiplier (SPD)____ [2.00]
    DRAM Timing Selectable_______ SPD __ [Manual]
    
    Performance Enhance = [Standard]
    
    CAS Latency Time________________ ?
    Dram RAS# to CAS# Delay_________ ?
    Dram RAS# Precharge Delay_______?
    Precharge Delay (tRAS)__________ ?
    
    ACT to ACT Delay (tRRD)_________ ?
    Rank Write to READ Delay________ ?
    Write to Precharge Delay_________ ?
    Refresh to ACT Delay______________ ?
    Read to Precharge Delay__________ ?
    Static tRead Value_______________
    Static tRead Phase Adjust________ [Auto]
    
    CPU/PCIEX Clock Driving Control [800mV]
    CPU Clock Skew Control [normal]
    GMCH Clock Skew Control [Normal]
    
    System Voltage Control____ [Manual]
    DDR2 OverVoltage Control__ [+0.300V] 
    PCI-E OverVoltage Control_ [+0.1V] 
    FSB OverVoltage Control___ [+0.1V] 
    (G)MCH OverVoltage Control [+0.1V] 
    CPU Voltage Control_______ [1.25]
    
    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

  3. #3
    Join Date
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    Thumbs up Re: EX38-DQ6 and Corsair Dominator 1066 Ram not stable?

    Thanks for your speedy reply :)

    This is a link to my Memory, like I said I might be having problems with the Memory timings or Voltage seems I do have a small overclock...

    http://www.corsair.com/_datasheets/T...96-8500C5D.pdf

    I will have a look at my Bios, but I can tell you the Ram timings I have set it to atm are 6-6-6-17 because 5-5-5-15 was still proving unstable!

    It is the Voltages I am not sure about which is why I still have them on Auto!

    I will have a look and enter all my values into the Template you left for me!

    Thanks

  4. #4
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    Red face Re: EX38-DQ6 and Corsair Dominator 1066 Ram not stable?

    Ok here is how My Tweak Section is atm:

    Robust Graphics Booster___________ [Auto]
    CPU Clock Ratio ____________ [8] 9X
    Fine Clock Ratio ____________[0.5]
    CPU Frequency _____________ [3.28 (346X9.5)]
    CPU Host Clock Control_ [Enabled]
    CPU Host Frequency (MHz)__________ [450] 346
    PCI Express Frequency (Mhz)_______ [100] Auto
    C.I.A. 2__________________________ [Disabled]
    System Memory Multiplier (SPD)____ [2.00] Auto
    Memory Frequency _______________[1107]
    DRAM Timing Selectable_______ SPD __ [Manual]

    Performance Enhance = [Standard]

    CAS Latency Time________________ 6
    Dram RAS# to CAS# Delay_________ 6
    Dram RAS# Precharge Delay_______6
    Precharge Delay (tRAS)__________ 17

    ACT to ACT Delay (tRRD)_________ 4 (Auto)
    Rank Write to READ Delay________ 4 (Auto)
    Write to Precharge Delay_________ 8 (Auto)
    Refresh to ACT Delay______________ 68 (Auto)
    Read to Precharge Delay__________ 4
    Static tRead Value_______________ 7
    Static tRead Phase Adjust________ [Auto] 23

    CPU/PCIEX Clock Driving Control [800mV]
    CPU Clock Skew Control [normal]
    GMCH Clock Skew Control [Normal]

    System Voltage Control____ [Manual]
    DDR2 OverVoltage Control__ [+0.300V] Normal (Should I set these
    PCI-E OverVoltage Control__ [+0.1v] Normal to template voltages?)
    FSB OverVoltage Control___ [+0.1V] Normal
    (G)MCH OverVoltage Control [+0.1V] Normal
    CPU Voltage Control_______ [1.25] Normal
    Normal CPU Vcore _________ [1.22500v]
    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]

    Integrated Peripherals
    Legacy USB Storage Detect___________________[Disabled] *Note* Must be enabled to flash from USB

    Thanks :) What is Normal anyhow where the voltages are concerned?
    Last edited by Thorn2009; 03-13-2009 at 07:03 PM.

  5. #5
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: EX38-DQ6 and Corsair Dominator 1066 Ram not stable?

    Issues in games more then anything else is normally memory, voltages, or your GFX Card.

    I do see some voltages you should be setting you are not, so lets start there for now with the FSB you have setup. Your ram may not run well at that 1107 overclock, but it should be ok. If not you may need to back off the FSB a bit, or increase it and voltages and then use a lower CPU Multi

    Ok, lets have a stab at it with this and see if it helps you anymore >>>

    Robust Graphics Booster___________ [Auto or Fast]
    CPU Clock Ratio ____________ 9
    Fine Clock Ratio ____________[0.5]
    CPU Frequency _____________ [3.28 (346X9.5)]
    CPU Host Clock Control_ [Enabled]
    CPU Host Frequency (MHz)__________ 346
    PCI Express Frequency (Mhz)_______ [100] <<< Set this for sure
    C.I.A. 2__________________________ [Disabled]
    System Memory Multiplier (SPD)____ [3.20B] << Set this
    Memory Frequency _______________[1107]
    DRAM Timing Selectable_______ SPD __ [Manual]

    Performance Enhance = [Standard]

    CAS Latency Time________________5
    Dram RAS# to CAS# Delay_________ 5 << may need to use 6 here
    Dram RAS# Precharge Delay_______5
    Precharge Delay (tRAS)__________ 15/18

    Set all below to the higher of the suggested values, then we can lower later

    ACT to ACT Delay (tRRD)_________ 3-4
    Rank Write to READ Delay________ 3-6
    Write to Precharge Delay_________ 4-8
    Refresh to ACT Delay______________ 52-62
    Read to Precharge Delay__________ 3-5
    Static tRead Value_______________6-10
    Static tRead Phase Adjust________ [Auto] << Always set to Auto (ZERO)

    CPU/PCIEX Clock Driving Control [800mV]
    CPU Clock Skew Control [normal]
    GMCH Clock Skew Control [Normal]

    System Voltage Control____ [Manual]
    DDR2 OverVoltage Control__ [+0.300V] (Should I set these) << Yes, set +0.3 for 2.1V or maybe 0.35 if you have that option since you are overclocking the ram

    PCI-E OverVoltage Control__ [+0.1v] << Set this for stability
    FSB OverVoltage Control___ [+0.1V] << Set this for stability
    (G)MCH OverVoltage Control [+0.1V] << Set to +0.2-0.3 for 2x2GB
    CPU Voltage Control_______ [1.25] << Set 1.26-1.325 for now, since you are overclocking set this higher for now until you can find out what is stable for your CPU and what is not. Keep in mind, what you set here will be less in windows at idle and less then that at load (Vdrop/Vdroop)

    Auto means the board will decide depending on all other settings, normal means stock values no matter other settings. Don't use Normal unless I noted to, and only use Auto for the ones I suggested Auto for
    Last edited by Lsdmeasap; 03-14-2009 at 11:55 AM.

  6. #6
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    Default Re: EX38-DQ6 and Corsair Dominator 1066 Ram not stable?

    Thanks for replying I know how busy you must be :)

    Something funny is going on, if I leave the voltages on normal I am getting good stabilty? ? ? Is this damaging my hardware even though I am stable atm? After my last Hard-Lock a few days ago, when I powered off the system and back on the Bios automatically turned the Voltages off AUTO and put them to NORMAL, since it did this I have been playing games without any lock-ups?

    I will still increase them as you suggested as I don't wish to damage anything if that is what you think is the right thing to do? I am guessing it is a safe-guard anyhow against this sort of thing happening?

    One other thing I am only using 1 stick of 2GB Dominator Ram atm because my other stick I removed when I was getting unrecoverable Hard-Locks i.e the PC wouldn't even start (it would not even go past the memory check at the start of the boot it just stopped), not sure if that stick is faulty but as soon as I removed it I could boot at least ! Would only having one stick affect my voltages you suggested?

    Thanks again for your valuable time :)
    Last edited by Thorn2009; 03-14-2009 at 01:16 PM.

  7. #7
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    Question Re: EX38-DQ6 and Corsair Dominator 1066 Ram not stable?

    Ok I set the Voltages to what you suggested in your Template also a few other settings so now it looks like this:

    Robust Graphics Booster___________ [Auto]
    CPU Clock Ratio ____________ [9X ]
    Fine Clock Ratio ____________[0.5]
    CPU Frequency _____________ [3.28 (346X9.5)]
    CPU Host Clock Control_ [Enabled]
    CPU Host Frequency (MHz)__________ [346]
    PCI Express Frequency (Mhz)_______ [100]
    C.I.A. 2__________________________ [Disabled]
    System Memory Multiplier (SPD)____ [2.00] Auto (there is no other option?)
    Memory Frequency _______________[1107]
    DRAM Timing Selectable_______ SPD __ [Manual]

    Performance Enhance = [Standard]

    CAS Latency Time________________ 6
    Dram RAS# to CAS# Delay_________ 6
    Dram RAS# Precharge Delay_______6
    Precharge Delay (tRAS)__________ 17

    ACT to ACT Delay (tRRD)_________ 4 (Auto)
    Rank Write to READ Delay________ 4 (Auto)
    Write to Precharge Delay_________ 8 (Auto)
    Refresh to ACT Delay______________ 68 (Auto)
    Read to Precharge Delay__________ 4
    Static tRead Value_______________ 7
    Static tRead Phase Adjust________ [Auto] 23

    CPU/PCIEX Clock Driving Control [800mV]
    CPU Clock Skew Control [normal]
    GMCH Clock Skew Control [Normal]

    System Voltage Control____ [Manual]
    DDR2 OverVoltage Control__ [+0.300V]
    PCI-E OverVoltage Control__ [+0.1v]
    FSB OverVoltage Control___ [+0.1V]
    (G)MCH OverVoltage Control [+0.1V]
    CPU Voltage Control_______ [1.25]
    Normal CPU Vcore _________ [1.22500v]
    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]

    Integrated Peripherals
    Legacy USB Storage Detect___________________[Disabled] *Note* Must be enabled to flash from USB

    One question for you, regarding hte CPU Vcore voltages is it a case of the higher your overclock the higher this voltage needs to be for stability?

    Say I wanted to push my overclock up to say 3.50 how would this affect my settings above? You mentioned that my memory is running faster due to my overclock, what would I have to do to save this going even faster and causing instability? Do you have to turn down the CPU Multiplier from 9 down to 8 and up the FSB? What affect would this have on the Memory speeds? ATM it is running ok at 1107 but I wouldn't like to try to push it much higher!

    Thanks for you valuable time :) And sorry I am so new to overclocking without leaving everything on Auto and just slapping the FSB up (doesn't work in this case after 3.30 ;)
    Last edited by Thorn2009; 03-15-2009 at 06:01 PM.

  8. #8
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    Unhappy Re: EX38-DQ6 and Corsair Dominator 1066 Ram not stable?

    Anyone? ? ? *listens to crickets chirping*

  9. #9
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    Unhappy Re: EX38-DQ6 and Corsair Dominator 1066 Ram not stable?

    I am STILL having issues, although since typing the original message up above I have replaced my Motherboard that was faulty to a X48-DQ6, but I am STILL having the lock up issues in games. It normally happens when going from say an inside cell to an outside cell, or from the game to the menu etc. It still involves a PC Hard Reboot to fix.

    Now I did set the timings to 5-5-5-15 like the specs for my 1066 Dominator Ram suggested, but the problem I am having is the Ram Voltages, if I set it to 1.30 to get 2.1V I can't even get into Windows proper before it hard locks? Even though this is what it suggest for my Ram? !! Should I set it lower to see what happens or maybe higher? System is running at a stock 3.16, memory states it is running duel-channel interleaved at 1066 which is right.

    Any suggestions to fix my game lock ups? Thanks this is getting very frustrating to the point where I don't want to play any games anymore, it makes a great Internet Browser atm though !

  10. #10
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    Exclamation Re: EX38-DQ6 and Corsair Dominator 1066 Ram not stable?

    Can anyone please help? I am not sure whether to adjust the Voltage up or down OR muck around with the timings from 5-5-5-15 to get it stable in games?

    This is very confusing, gone are the days when you can just throw the memory in and it works apparently :(

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