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Thread: Can't get 3.6Ghz with E6600/EP45-UD3P




  1. #1
    Join Date
    Jun 2009
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    Default Can't get 3.6Ghz with E6600/EP45-UD3P

    I can't seem to get my E6600 to 3.6Ghz :(...I get a BSOD on Windows startup or sometimes a few minutes into Windows at that speed.
    With my previous mobo (680i), I was stable at 3.4Ghz with 1.30625v (1.288v CPU-Z) so voltage shouldn't be too much of an issue...even setting it to 1.4V yields the same result at 3.6Ghz. (Also, yes the RAM is stable if you were wondering)
    These are the settings I tried for 3.6Ghz...

    Code:
    MB Intelligent Tweaker(M.I.T.)
    Robust Graphics Booster ...............: Auto
    CPU Clock Ratio ..........................: 9.0x
    Fine CPU Clock Ratio.....................:.0
    CPU Frequency ...........................: 3600Mhz
    
    
    Clock Chip Control
    Standard Clock Control
    CPU Host Clock Control..................: [Enabled]
    CPU Host Frequency (Mhz) ............: 400 Mhz
    PCI Express Frequency (Mhz) .........:100
    
    C.I.A.2 .................................:[Disabled]
    
    
    Advanced Clock Control [Press Enter]
    CPU Clock Drive...........................: <<< Default?
    PCI Express Clock Drive.................: <<< Default?
    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]
    System Memory Multiplier ..............: 2.00D
    Memory Frequency (Mhz) ..............: 800Mhz
    DRAM Timing Selectable ................: [Manual]
    
    Standard Timing Control
    CAS Latency Time........................5
    tRCD .........................................5
    tRP'...........................................5
    tRAS..........................................15
    
    Advanced Timing Control
    tRRD...........................................Auto
    tWTR..........................................Auto
    tWR............................................Auto
    tRFC...........................................Auto
    tRTP...........................................Auto
    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 - Auto
     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.........................:6/7-10 333/B MCH - 8/9-12 400/D MCH - Auto
     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
    Voltage Type.………... Manual
    CPU
    CPU Vcore….……….........................:1.35v
    
    CPU Termination…..... tried multiple... 1.26, 1.28, 1.30, 1.32V-none worked .. at most a few seconds into Orthos before BSOD
    CPU PLL…………………....1.500V
    CPU Reference.…………....Auto
    
    MCH/ICH
    MCH Core…………….....1.28V
    MCH Reference….…….Auto
    MCH/DRAM Ref.….....Auto
    ICH I/O……………….....1.500V
    ICH Core…………...……1.100V
    
    DRAM
    DRAM Voltage ……....1.840V
    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) ...........: [Disabled]
    CPU EIST Function.........................: [Disabled]
    Virtualization Technology................: [Enabled]
    Integrated Peripherals
    Legacy USB Storage Detect ..............[Disabled]
    Any suggestions?
    CPU:E6600 L629F
    Motherboard:
    GA-EP45-UD3P (F7)
    Memory:4GB 667Mhz @ 800Mhz 1.85v 5-5-5-15 2T Graphics Card:EVGA 8800GTS 320MB
    Hard Drive:320GB Caviar & 750GB Caviar Black Sound Card:X-fi XtremeGamer
    Power Supply:850W Case:Velocity Micro Case
    CPU cooling:Xigmatek S1283V
    OS:Vista 32/Vista 64/7 RC
    Monitor:22" Samsung 226BW

  2. #2
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: Can't get 3.6Ghz with E6600/EP45-UD3P

    We need your exact settings to best advise, like your actual Clock Drive voltages, and what you have set for tRD (Static tRead Value). Since you do have tRD on Auto, please post a screenshot of Memset

    While you wait try less MCH Core (maybe 1.18-1.24), and a bit more CPU PLL

  3. #3
    Join Date
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    Default Re: Can't get 3.6Ghz with E6600/EP45-UD3P

    Quote Originally Posted by Lsdmeasap View Post
    We need your exact settings to best advise, like your actual Clock Drive voltages, and what you have set for tRD (Static tRead Value). Since you do have tRD on Auto, please post a screenshot of Memset

    While you wait try less MCH Core (maybe 1.18-1.24), and a bit more CPU PLL
    The Clock Drive voltages are set at 700mV.
    Should I bump up the PPL one notch or more? (the next notch is 1.57)
    Here's a screenshot of my settings at 3.4Ghz.

    Attachment 1216

    Thanks for the quick response!
    CPU:E6600 L629F
    Motherboard:
    GA-EP45-UD3P (F7)
    Memory:4GB 667Mhz @ 800Mhz 1.85v 5-5-5-15 2T Graphics Card:EVGA 8800GTS 320MB
    Hard Drive:320GB Caviar & 750GB Caviar Black Sound Card:X-fi XtremeGamer
    Power Supply:850W Case:Velocity Micro Case
    CPU cooling:Xigmatek S1283V
    OS:Vista 32/Vista 64/7 RC
    Monitor:22" Samsung 226BW

  4. #4
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    Default Re: Can't get 3.6Ghz with E6600/EP45-UD3P

    Clock drive settings of 700/700 = failsafe defaults. This may have happened if you flashed the BIOS recently, then forgot to load optimized defaults, save and exit afterwards.

    I'd load optimized defaults right away, re-enter most of your settings but try Lsdmeasap's recommendations. PLL is ok up to 1.61V.
    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
    2 x Gigabyte GTX 460 1024MB in SLI (Pre OC'd to 715MHz core and 1800MHz VRAM) @ 850 Core / 4100 Mem.
    Intel X25-M Boot Drive (OS and Programs) 200MB/s Read & 90MB/s Write
    Corsair X32 200MB/s Read & 100MB/s Write
    WD Caviar Blue 640GB C (Steam, Games, Storage, Temp Files & Folders, etc)
    Samsung F3 500GB Backup/Images
    Noctua 1300RPM 19dB case fan (rear extraction)
    3 x 140 MM Coolermaster LED fans (one front intake, one top extraction, one side intake)
    Dell Ultra Sharp 2209WAf E-IPS @ 1680x1050

  5. #5
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    Default Re: Can't get 3.6Ghz with E6600/EP45-UD3P

    loaded optimized defaults, thanks.

    I still don't really know what to do, too many voltages
    Tried to mess around with VTT (1.30, 1.26) with 1.35 vCore but I still got a BSOD on startup. I used 1.26 MCH Core also.
    CPU:E6600 L629F
    Motherboard:
    GA-EP45-UD3P (F7)
    Memory:4GB 667Mhz @ 800Mhz 1.85v 5-5-5-15 2T Graphics Card:EVGA 8800GTS 320MB
    Hard Drive:320GB Caviar & 750GB Caviar Black Sound Card:X-fi XtremeGamer
    Power Supply:850W Case:Velocity Micro Case
    CPU cooling:Xigmatek S1283V
    OS:Vista 32/Vista 64/7 RC
    Monitor:22" Samsung 226BW

  6. #6
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    Default Re: Can't get 3.6Ghz with E6600/EP45-UD3P

    You're still on quite conservative Vcore. Your chip can handle up to 1.5V. Try giving it 1.4V and enable Load Line Calibration.

    Dual cores also seem to like lower than default MCH ref voltages. With the 1.4Vcore, set CPU Term to 1.2, then set MCH ref to 0.740V. Now increase CPU Term to 1.34V. You will see MCH Ref inrease in value. This is fine, it scales as a % of CPU term.

    Also consider setting a fixed Static tRead rather than auto As auto is setting 9, and you're having problems, set both channels to a value of 10 for now. I'm 99% sure tRead isn't an isue though, and auto is setting this very conservatively. You'll likely be ok with 8 or even 7, but after you get stable.

    Trying the 2.00B system memory multi may be beneficial, or it may have the opposite effect. D is intended usually for FSB of 400+, so B is still within tolerance for your settings.

    One final thing to change. Please enable Thermal Monitor 2. It doesn't cause any stability issues. It's purely there to protect your CPU. It's responsible for initiating thermal throttling when your CPU reaches its TJMax. Without it your CPU may commit suicide by overheating through over zealous clocking or even simply a failed CPU fan.
    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
    2 x Gigabyte GTX 460 1024MB in SLI (Pre OC'd to 715MHz core and 1800MHz VRAM) @ 850 Core / 4100 Mem.
    Intel X25-M Boot Drive (OS and Programs) 200MB/s Read & 90MB/s Write
    Corsair X32 200MB/s Read & 100MB/s Write
    WD Caviar Blue 640GB C (Steam, Games, Storage, Temp Files & Folders, etc)
    Samsung F3 500GB Backup/Images
    Noctua 1300RPM 19dB case fan (rear extraction)
    3 x 140 MM Coolermaster LED fans (one front intake, one top extraction, one side intake)
    Dell Ultra Sharp 2209WAf E-IPS @ 1680x1050

  7. #7

    Default Re: Can't get 3.6Ghz with E6600/EP45-UD3P

    I agree with Psycho101 regarding your Vcore being conservative. My 1.25V VID Q6600 needs 1.3875V for 3.6G on my UD3P board. If the VID of your chip is higher, it's likely you will need more vcore than that.

    Regarding the other voltage settings, I was able to get by with lower settings at 400x9: 1.2V VTT, 1.5V PLL, and 1.16V MCH using my 4x1G Kingstons. Higher voltages actually caused the system to be unstable.

    Good luck.

    Edit: I misread and thought you were running a Q6600. Regardless, I believe what I said above should be still apply to your E6600. There is often not much difference between overclocking the Q/E6600's, except the duo's can often manage a slightly higher FSB.
    Last edited by gampamu; 07-03-2009 at 09:44 AM.
    QX9650 batch L739A761/ GA-EP45-UD3P/ Kingston KHX9200 4x1G

  8. #8
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    Default Re: Can't get 3.6Ghz with E6600/EP45-UD3P

    Quote Originally Posted by Psycho101 View Post
    You're still on quite conservative Vcore. Your chip can handle up to 1.5V. Try giving it 1.4V and enable Load Line Calibration.

    Dual cores also seem to like lower than default MCH ref voltages. With the 1.4Vcore, set CPU Term to 1.2, then set MCH ref to 0.740V. Now increase CPU Term to 1.34V. You will see MCH Ref inrease in value. This is fine, it scales as a % of CPU term.

    Also consider setting a fixed Static tRead rather than auto As auto is setting 9, and you're having problems, set both channels to a value of 10 for now. I'm 99% sure tRead isn't an isue though, and auto is setting this very conservatively. You'll likely be ok with 8 or even 7, but after you get stable.

    Trying the 2.00B system memory multi may be beneficial, or it may have the opposite effect. D is intended usually for FSB of 400+, so B is still within tolerance for your settings.

    One final thing to change. Please enable Thermal Monitor 2. It doesn't cause any stability issues. It's purely there to protect your CPU. It's responsible for initiating thermal throttling when your CPU reaches its TJMax. Without it your CPU may commit suicide by overheating through over zealous clocking or even simply a failed CPU fan.
    Quote Originally Posted by gampamu View Post
    I agree with Psycho101 regarding your Vcore being conservative. My 1.25V VID Q6600 needs 1.3875V for 3.6G on my UD3P board. If the VID of your chip is higher, it's likely you will need more vcore than that.

    Regarding the other voltage settings, I was able to get by with lower settings at 400x9: 1.2V VTT, 1.5V PLL, and 1.16V MCH using my 4x1G Kingstons. Higher voltages actually caused the system to be unstable.

    Good luck.

    Edit: I misread and thought you were running a Q6600. Regardless, I believe what I said above should be still apply to your E6600. There is often not much difference between overclocking the Q/E6600's, except the duo's can often manage a slightly higher FSB.

    I'll try all those and report back, however temps are becoming a problem if I go past 1.35, but I'll try. I think my case is the problem :(. In my first post my stable voltage for 3.4ghz was 1.288 in CPU-Z...my CPU is a 'golden chip' so I would think a .2Ghz bump wouldn't require much voltage increase, but I'll play around with it. My VID is 1.2625v by the way. Maybe I should start lowering voltages with 3.4ghz then start trying for 3.6Ghz?
    CPU:E6600 L629F
    Motherboard:
    GA-EP45-UD3P (F7)
    Memory:4GB 667Mhz @ 800Mhz 1.85v 5-5-5-15 2T Graphics Card:EVGA 8800GTS 320MB
    Hard Drive:320GB Caviar & 750GB Caviar Black Sound Card:X-fi XtremeGamer
    Power Supply:850W Case:Velocity Micro Case
    CPU cooling:Xigmatek S1283V
    OS:Vista 32/Vista 64/7 RC
    Monitor:22" Samsung 226BW

  9. #9
    Join Date
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    Default Re: Can't get 3.6Ghz with E6600/EP45-UD3P

    Cheers and we look forward to your Forum Favourites selections!



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