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Thread: EP35-DS3L Overclocking problems




  1. #1
    Join Date
    Jul 2008
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    Default EP35-DS3L Overclocking problems

    hello all. im trying to overclock my E8400 E0 using my new EP35-DS3L. ive ran into some stability problems once i try to go past 3.6ghz, or 400x9. i can boot into windows, but stress testing fails at anything above this. here are the settings that work:

    Robust Graphics Booster___________ [Auto]
    CPU Clock Ratio ____________ [9]
    CPU Host Clock Control_ [Enabled]
    CPU Host Frequency (MHz)__________ [400]
    PCI Express Frequency (Mhz)_______ [101]
    C.I.A. 2__________________________ [Disabled]
    System Memory Multiplier (SPD)____ [2.00]
    DRAM Timing Selectable__800__ SPD _890?_ [Manual]

    Performance Enhance = [Standard]

    CAS Latency Time________________ 5
    Dram RAS# to CAS# Delay_________ 5
    Dram RAS# Precharge Delay_______5
    Precharge Delay (tRAS)__________ 15
    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________ ?

    System Voltage Control____ [Manual]
    DDR2 OverVoltage Control__ [+0.1V]
    PCI-E OverVoltage Control_ [Normal]
    FSB OverVoltage Control___ [+0.1V]
    (G)MCH OverVoltage Control [+0.1V]
    CPU Voltage Control_______ [1.225]

    Limit CPUID Max. to 3.....................: [Disabled]
    No-Execute Memory Protect............: [Disabled]
    CPU Enhanced Halt (C1E)................: [Disabled]
    C2/C2E State Support....................: [Disabled]
    x C4/C4E State Support..................: [Disabled]
    CPU Thermal Monitor 2(TM2) ...........: [Disabled]
    CPU EIST Function.........................: [Disabled]
    Virtualization Technology................: [Disabled]

    i am at work right now so i cant be 100% sure of these settings, but im confident that my memory serves me well.
    my ram is 2x2gb gskill ddr2 800. link.

    im thinking that i am being limited by this ram. my goal is 4ghz stable. should i loosen up on the timings? any suggestions are greatly appreciated! :)

  2. #2

    Default Re: EP35-DS3L Overclocking problems

    The usual culprit is CPU voltage. You could put it on Auto to see what the BIOS uses and if stable, start to lower it until unstable and then raise again to a stable voltage.

    What are the Advanced Timing settings for the memory??? Is it set at auto or are they set at certain values???

    If you read the Overclocking guides they tell you set CPU voltage high or memory timings loose trying to get one set first and then tweak the other. Some like to tweak the memory first and others prefer the CPU first. I am not sure it makes a difference as after each is tweak you should recheck the other.

  3. #3
    Join Date
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    Default Re: EP35-DS3L Overclocking problems

    Robust Graphics Booster___________ [Auto] <-Auto or Disabled
    CPU Clock Ratio ____________ [9]
    CPU Host Clock Control_ [Enabled]
    CPU Host Frequency (MHz)__________ [400] <-445 x 9 = 4GHz
    PCI Express Frequency (Mhz)_______ [101] <-SET TO 100MHz
    C.I.A. 2__________________________ [Disabled]
    System Memory Multiplier (SPD)____ [2.00] <- 2 x 445 = 890MHz (which your RAM should do without a problem)
    DRAM Timing Selectable__800__ SPD _890?_ [Manual]

    Performance Enhance = [Standard]

    CAS Latency Time________________ 5
    Dram RAS# to CAS# Delay_________ 5
    Dram RAS# Precharge Delay_______5
    Precharge Delay (tRAS)__________ 15
    ACT to ACT Delay (tRRD)_________ ? <- 4-5
    Rank Write to READ Delay________ ? <- 7-10
    Write to Precharge Delay_________ ? <- 8-12
    Refresh to ACT Delay______________ ?<- 50-58
    Read to Precharge Delay__________ ? <- 4-7
    Static tRead Value_______________ ? <-Between 8 and 10 should do
    Static tRead Phase Adjust________ ?

    System Voltage Control____ [Manual]
    DDR2 OverVoltage Control__ [+0.1V]
    PCI-E OverVoltage Control_ [Normal]
    FSB OverVoltage Control___ [+0.1V]
    (G)MCH OverVoltage Control [+0.1V]<- +0.1 or 0.2V = 1.2 or 1.3V should get your RAM stable
    CPU Voltage Control_______ [1.225]<-You'll need alot more for 4GHz... try 1.35V to start, then lower it

    Limit CPUID Max. to 3.....................: [Disabled]
    No-Execute Memory Protect............: [Disabled] <- Enabled
    CPU Enhanced Halt (C1E)................: [Disabled] <- Enabled
    C2/C2E State Support....................: [Disabled]
    x C4/C4E State Support..................: [Disabled]
    CPU Thermal Monitor 2(TM2) ...........: [Disabled] <- Enabled
    CPU EIST Function.........................: [Disabled]
    Virtualization Technology................: [Disabled]

    try those out and see how high you can get the FSB (if you cant get it at 445MHz)... also, what cooler have you got on the CPU?
    NZXT Lexa BlackLine Case with Red LEDs
    Corsair TX-750 Modular PSU
    Gigabyte EP45-DS3P (BIOS F7)
    Intel Core 2 Quad Q9300 @ 3.73GHz (downclocked for the summer )
    OCZ Vendetta 2 CPU Heatsink
    2x 2GB Kingston HyperX RAM PC2-6400 @ 996MHz (4-5-5-15)
    3x Seagate Barracuda 7200.11 500GB HDD in RAID5
    2x HIS Radeon HD 4850 @ 745/1090 in CrossFireX
    2x ThermalTake DuOrb GPU Heatsink
    D-Link Super G PCI WLAN Adapter
    Asus Lightscribe 20x SATA II DVD-DL Burner
    Creative X-Fi XtremeGamer Fatal1ty Pro
    2x 22" LG W2252TQ-PF Widescreen LCD Monitor (YAY!! Finally got the second one!!)

  4. #4
    Join Date
    Jul 2008
    Posts
    29

    Default Re: EP35-DS3L Overclocking problems

    Quote Originally Posted by BongWizard View Post
    Robust Graphics Booster___________ [Auto] <-Auto or Disabled
    CPU Clock Ratio ____________ [9]
    CPU Host Clock Control_ [Enabled]
    CPU Host Frequency (MHz)__________ [400] <-445 x 9 = 4GHz
    PCI Express Frequency (Mhz)_______ [101] <-SET TO 100MHz
    C.I.A. 2__________________________ [Disabled]
    System Memory Multiplier (SPD)____ [2.00] <- 2 x 445 = 890MHz (which your RAM should do without a problem)
    DRAM Timing Selectable__800__ SPD _890?_ [Manual]

    Performance Enhance = [Standard]

    CAS Latency Time________________ 5
    Dram RAS# to CAS# Delay_________ 5
    Dram RAS# Precharge Delay_______5
    Precharge Delay (tRAS)__________ 15
    ACT to ACT Delay (tRRD)_________ ? <- 4-5
    Rank Write to READ Delay________ ? <- 7-10
    Write to Precharge Delay_________ ? <- 8-12
    Refresh to ACT Delay______________ ?<- 50-58
    Read to Precharge Delay__________ ? <- 4-7
    Static tRead Value_______________ ? <-Between 8 and 10 should do
    Static tRead Phase Adjust________ ?

    System Voltage Control____ [Manual]
    DDR2 OverVoltage Control__ [+0.1V]
    PCI-E OverVoltage Control_ [Normal]
    FSB OverVoltage Control___ [+0.1V]
    (G)MCH OverVoltage Control [+0.1V]<- +0.1 or 0.2V = 1.2 or 1.3V should get your RAM stable
    CPU Voltage Control_______ [1.225]<-You'll need alot more for 4GHz... try 1.35V to start, then lower it

    Limit CPUID Max. to 3.....................: [Disabled]
    No-Execute Memory Protect............: [Disabled] <- Enabled
    CPU Enhanced Halt (C1E)................: [Disabled] <- Enabled
    C2/C2E State Support....................: [Disabled]
    x C4/C4E State Support..................: [Disabled]
    CPU Thermal Monitor 2(TM2) ...........: [Disabled] <- Enabled
    CPU EIST Function.........................: [Disabled]
    Virtualization Technology................: [Disabled]

    try those out and see how high you can get the FSB (if you cant get it at 445MHz)... also, what cooler have you got on the CPU?
    hey, thanks for those settings i will try them out. and as for a cpu cooler i should have mentioned that. im using the tuniq tower 120. and yes that vcore is a little generous, its more close to 1.325v.

  5. #5
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: EP35-DS3L Overclocking problems

    Let us know how you get along, and if you need further help we can help you for sure

  6. #6
    Join Date
    Jul 2008
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    Default Re: EP35-DS3L Overclocking problems

    Quote Originally Posted by Lsdmeasap View Post
    Let us know how you get along, and if you need further help we can help you for sure
    well, i tried the aforementioned settings, and no luck. it boots into windows fine, no BSODs, but its still not stable. i get either rounding errors (ram) or SUM errors (cpu) when stress testing. at 4ghz, i went as high as 1.3625 vcore in bios 1.33vcore in windows, and still no dice.

    this is really testing my patience, as i am running out lol. i know this can be done, its just frustrating it seems like ive tried every combination i can think of and still no stability.

    right now im back at stock settings. my gut feeling is that im being limited by my ram.

    edit: i havent tried loosening up my ram timings, should i see if that helps? what would be a good starting point?

  7. #7
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: EP35-DS3L Overclocking problems

    Please post your full settings that you are trying that fail and I will see if I see what is holding you back

  8. #8
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    Default Re: EP35-DS3L Overclocking problems

    ok heres what boots into windows, but isnt stable, @ 4ghz (445x9)

    Robust Graphics Booster___________ [Auto]
    CPU Clock Ratio ____________ [9]
    CPU Host Clock Control_ [Enabled]
    CPU Host Frequency (MHz)__________ [445]
    PCI Express Frequency (Mhz)_______ [100]
    C.I.A. 2__________________________ [Disabled]
    System Memory Multiplier (SPD)____ [2.00]
    DRAM Timing Selectable__800__ SPD _890_ [Manual]

    Performance Enhance = [Standard]

    CAS Latency Time________________ 5
    Dram RAS# to CAS# Delay_________ 5
    Dram RAS# Precharge Delay_______5
    Precharge Delay (tRAS)__________ 15
    ACT to ACT Delay (tRRD)_________ 5
    Rank Write to READ Delay________ 8
    Write to Precharge Delay_________ 9
    Refresh to ACT Delay______________ 52
    Read to Precharge Delay__________ 5
    Static tRead Value_______________ 8
    Static tRead Phase Adjust________ ?

    System Voltage Control____ [Manual]
    DDR2 OverVoltage Control__ [+0.1V AND +0.2V] (for some reason my board, even at +.0, it is running my ram at 1.9v)
    PCI-E OverVoltage Control_ [Normal]
    FSB OverVoltage Control___ [+0.1V]
    (G)MCH OverVoltage Control [+0.1V AND +0.2V] <- didnt try +0.3V, will get to hot most likely
    CPU Voltage Control_______ [1.3675] this was high as i went; bios reported 1.356vcore and in windows it was 1.33v (vdroop?)

    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) ...........: [Disabled] <- Enabled
    CPU EIST Function.........................: [Disabled]
    Virtualization Technology................: [Disabled]


    was there anything that i missed?

  9. #9
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: EP35-DS3L Overclocking problems

    Sometimes too loose on the ram timings fails as well. Have you memtested at all to see if it is the ram, or the CPU?

    Try these below, a little tighter but may be the right spot. If this does not work, I would be testing what you have with memtest so you can see if it is the CPU settings/voltage or not. If memtest passes, then you know you need more CPU volts, which is probably the culprit as your timings are loose enough that your ram should be passing

    Robust Graphics Booster___________ [Auto]
    CPU Clock Ratio ____________ [9]
    CPU Host Clock Control_ [Enabled]
    CPU Host Frequency (MHz)__________ [445]
    PCI Express Frequency (Mhz)_______ [100]
    C.I.A. 2__________________________ [Disabled]
    System Memory Multiplier (SPD)____ [2.00 C or D]
    DRAM Timing Selectable__800__ SPD _890_ [Manual]

    Performance Enhance = [Standard]

    CAS Latency Time________________ 5
    Dram RAS# to CAS# Delay_________ 5
    Dram RAS# Precharge Delay_______5
    Precharge Delay (tRAS)__________ 15

    ACT to ACT Delay (tRRD)_________ 3
    Rank Write to READ Delay________ 4
    Write to Precharge Delay_________ 6
    Refresh to ACT Delay______________ 48-50
    Read to Precharge Delay__________4
    Static tRead Value_______________ 7-8
    Static tRead Phase Adjust________ [Auto] <<< Always

    System Voltage Control____ [Manual]
    DDR2 OverVoltage Control__ [+0.1V AND +0.2V] (for some reason my board, even at +.0, it is running my ram at 1.9v) I would run it at 1.9 or 2.0 for 900Mhz
    PCI-E OverVoltage Control_ [Normal]
    FSB OverVoltage Control___ [+0.1V]
    (G)MCH OverVoltage Control [+0.1V AND +0.2V] <- didnt try +0.3V, will get to hot most likely.
    CPU Voltage Control_______ [1.3675] this was high as i went; bios reported 1.356vcore and in windows it was 1.33v (vdroop?) Some chips may need more then 1.33 for 4Ghz, you may need to try a bit more. Not all Do, but some and you will never know until you try

    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) ...........: [Disabled] <- Enabled
    CPU EIST Function.........................: [Disabled]
    Virtualization Technology................: [Disabled]

  10. #10
    Join Date
    Jul 2008
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    Default Re: EP35-DS3L Overclocking problems

    i have not memtested this set of ram before. however, i've been using it in an older rig for a few months without problems, g31m-s2l + e2180 @ 3ghz + ACF7 and the gskill ram. recently got a new ep35-ds3l and an e8400, switch in the same ram. it wouldnt hurt to run memtest anyway, would it.

    thanks again... i will try those settings.

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