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Thread: OC Help/Advice with GA-EP45-DS3L & Q6600




  1. #1
    Join Date
    Jan 2009
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    10

    Default OC Help/Advice with GA-EP45-DS3L & Q6600

    Ok, I currently have my Q6600 OC'd from 2.4ghz stock to 3.0ghz. I have my hardware in my sig (sig is probably looks jacked up, would appreciate help with getting into a nice table-ish form instead of a big list ) I'm looking for advice and pointers on my BIOS settings to maximize my performance with my current overclock, and maybe ways to get my vcore lower. I have a 1.325 VID Q6600 so my voltages are already higher than most. I filled out that template that LSD has an attached it, I can post it in the thread too if thats easier.

    Also, at the end of this week or early next week I should be getting my new ram which is G.SKILL PI Black 8GB (4 x 2GB) PC2 6400. Cas: 4-4-4-12, Test Voltage 2.0v ~ 2.1v (though most people in the forums run it at approx. 1.9v). Once I get that ram I would like to strive to achieve a 3.6ghz OC if I can keep the temps down considering I'm air cooling with my Tuniq Tower. If not, I would be happy with a 3.4ghz OC.

    So please help me maximize my current OC, and give me pointers on how to set up my future overclock. Thanks!
    • CPU
      Q6600 @ 3.0ghz
    • Motherboard
      Gigabyte GA-EP45-DS3L
    • Memory
      G. Skill PI PC2-6400 8GB (4x2GB)
      Graphics Card
      BFG 8800 GTX
    • Hard Drive
      Seagate SATA 300GB, WD SATA 160GB
    • Sound Card
      Onboard HD
    • Power Supply
      Corsair TX 650w
    • Case
      ThermalTake
    • CPU cooling
      Tuniq Tower 120
    • GPU cooling
      Stock
    • OS
      Vista Ultimate x64
    • Monitor
      HP w22 LCD Monitor

  2. #2
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Jan 2008
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    Default Re: OC Help/Advice with GA-EP45-DS3L & Q6600

    Yes, please just post the template here copy/paste, as I do not use office on the PC I am generally on

    3.4 on air should be easy, 3.6 maybe not so much though


    Without a link to the ram you are using now I cannot advise you really. You do know that you are running it at 667 right?

  3. #3
    Join Date
    Jan 2009
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    Default Re: OC Help/Advice with GA-EP45-DS3L & Q6600

    MB Intelligent Tweaker(M.I.T.)
    Robust Graphics Booster ...............: AUTO
    CPU Clock Ratio ..........................: 9x
    Fine CPU Clock Ratio.....................:. N/A
    CPU Frequency ...........................: 3.0ghz(334x9)


    Clock Chip Control
    Standard Clock Control
    CPU Host Clock Control..................: [Enabled]
    CPU Host Frequency (Mhz) ............: 334 Mhz
    PCI Express Frequency (Mhz) .........:100

    C.I.A.2 .................................:[Disabled]


    Advanced Clock Control [Press Enter]
    CPU Clock Drive...........................: <<< 800mV
    PCI Express Clock Drive.................: <<< 800mV
    CPU Clock Skew (ps)....................: <<< 0ps
    MCH Clock Skew (ps)...................: <<< 0ps


    DRAM Performance Control
    Performance Enhance...................: [STANDARD]
    Extreme Memory Profile (X.M.P.).....: N/A
    (G)MCH Frequency Latch...............: 333 mhz
    System Memory Multiplier ..............: 2.00B
    Memory Frequency (Mhz) ..............: 667 668
    DRAM Timing Selectable ................: [Manual]

    Standard Timing Control
    CAS Latency Time........................ 5
    tRCD ......................................... 5
    tRP'........................................... 5
    tRAS.......................................... 15

    Set all Suggested below to highest Values first. Then later you can lower, one at a time, testing as you go

    Advanced Timing Control
    tRRD........................................... 3 AUTO
    tWTR.......................................... 3 AUTO
    tWR............................................ 5 AUTO
    tRFC........................................... 44 AUTO
    tRTP........................................... 3 AUTO
    Command Rate (CMD) ....................: 0 AUTO

    Driving Strength Profiles
    Driving Strength ............................

    Channel A
    Static tRead Value.........................: 7 AUTO
    tRD Phase0 Adjustment...................:Auto <<< 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.........................:7 AUTO
    tRD Phase0 Adjustment...................:Auto <<< 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 A Driving Setting
    All AUTO

    Channel B Driving Setting
    All AUTO

    Motherboard Voltage Control
    Voltage Type.………... Manual
    CPU
    CPU Vcore….……….........................: 1.375v (1.3250v VID)
    CPU Termination…..... 1.200V*.......: <<< 1.200v
    CPU PLL…………………....1.500V*.......: << 1.550v

    CPU Referen.…………....0.755V*.......: <<< 0.762v

    CPU Reference2………,,0.800V*.......:<<< N/A

    MCH/ICH
    MCH Core…………….....1.100V...........: << AUTO
    MCH Reference….…….0.800V...........; <<< AUTO
    MCH/DRAM Ref.…......0.900V...........: <<< N/A
    ICH I/O……………….....1.550V............: <<< AUTO
    ICH Core…………...……1.100V............: <<< N/A

    DRAM
    DRAM Voltage ……....1.800V............: 1.800v
    DRAM Termination .…0.900V............: <<< N/A
    Channel A Reference 0.900V............: <<< N/A
    Channel B Reference 0.900V............: <<< N/A

    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.........................: [Enabled]
    Virtualization Technology................: [Disabled] Enabled if you use Vmware/Virtual PC

    Integrated Peripherals
    Legacy USB Storage Detect ..............[Enabled]


    My current ram:
    Newegg.com - CORSAIR ValueSelect 2GB &#40;2 x 1GB&#41; 240-Pin DDR2 SDRAM DDR2 667 &#40;PC2 5300&#41; Desktop Memory - Desktop Memory
    Corsair Value Select Pc2-5300

    New ram awaiting arrival:
    Newegg.com - G.SKILL PI Black 4GB &#40;2 x 2GB&#41; 240-Pin DDR2 SDRAM DDR2 800 &#40;PC2 6400&#41; Dual Channel Kit Desktop Memory - Desktop Memory
    G Skill Pi Pc2-6400


    The ram I got now should be running at 668 due to my FSB being at 334 instead of 333, right?

    My temps right now are 30, 26, 23, 25 and during small fft's in prime core 0 was at 57 rest were below that, so I'm hoping I can get to 3.6.
    • CPU
      Q6600 @ 3.0ghz
    • Motherboard
      Gigabyte GA-EP45-DS3L
    • Memory
      G. Skill PI PC2-6400 8GB (4x2GB)
      Graphics Card
      BFG 8800 GTX
    • Hard Drive
      Seagate SATA 300GB, WD SATA 160GB
    • Sound Card
      Onboard HD
    • Power Supply
      Corsair TX 650w
    • Case
      ThermalTake
    • CPU cooling
      Tuniq Tower 120
    • GPU cooling
      Stock
    • OS
      Vista Ultimate x64
    • Monitor
      HP w22 LCD Monitor

  4. #4
    Join Date
    Jan 2009
    Posts
    10

    Default Re: OC Help/Advice with GA-EP45-DS3L & Q6600

    oh yea, forgot to mention that the ones marked with n/a are ones that arent available in my bios. tried the ctrl+f1 too. dont think it did anything
    • CPU
      Q6600 @ 3.0ghz
    • Motherboard
      Gigabyte GA-EP45-DS3L
    • Memory
      G. Skill PI PC2-6400 8GB (4x2GB)
      Graphics Card
      BFG 8800 GTX
    • Hard Drive
      Seagate SATA 300GB, WD SATA 160GB
    • Sound Card
      Onboard HD
    • Power Supply
      Corsair TX 650w
    • Case
      ThermalTake
    • CPU cooling
      Tuniq Tower 120
    • GPU cooling
      Stock
    • OS
      Vista Ultimate x64
    • Monitor
      HP w22 LCD Monitor

  5. #5
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Jan 2008
    Location
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    Posts
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    Default Re: OC Help/Advice with GA-EP45-DS3L & Q6600

    Ahh, Ok see without a link to your ram I thought you had 800Mhz ram from your Doc file I think is why I made that note.

    Control +F1 must be done on the MAIN Screen, and then the screen will flash and all hidden settings will be shown. But in your board you should only have hidden settings on the IRQ screen (PnP/PCI Page). Not all boards have all features in my templates, and some settings are CPU/Ram Dependent so you can ignore most settings you do not have unless I note you should for sure have them

    Ya, all looks good then for the ram you have now. When you get your new ram let us know if you need help.

    Here is some general settings for you for 3.4 with 8GB of the ram you have on the way >>>

    Are you using the latest BIOS, if so you did load optimized and save/apply after your flash right? If not to any of that, please see here >>>
    http://forums.tweaktown.com/f69/bios...h-guide-27576/

    MB Intelligent Tweaker(M.I.T.)
    Robust Graphics Booster ...............: AUTO or fast
    CPU Clock Ratio ..........................: 8
    CPU Frequency ...........................: 3.4ghz(425x8)


    Clock Chip Control
    Standard Clock Control
    CPU Host Clock Control..................: [Enabled]
    CPU Host Frequency (Mhz) ............: 425 Mhz
    PCI Express Frequency (Mhz) .........:100

    C.I.A.2 .................................:[Disabled]


    Advanced Clock Control [Press Enter]
    CPU Clock Drive...........................: <<< 800mV
    PCI Express Clock Drive.................: <<< 800mV
    CPU Clock Skew (ps)....................: <<< 0ps
    MCH Clock Skew (ps)...................: <<< 0ps


    DRAM Performance Control
    Performance Enhance...................: [STANDARD]
    Extreme Memory Profile (X.M.P.).....: N/A
    (G)MCH Frequency Latch...............: Auto
    System Memory Multiplier ..............: 2.00B or 2.00D (More stable)
    Memory Frequency (Mhz) ..............: 850
    DRAM Timing Selectable ................: [Manual]

    Standard Timing Control
    CAS Latency Time........................ 4/5
    tRCD ......................................... 4/5
    tRP'........................................... 4/5
    tRAS.......................................... 12/15

    ^^ At 850 Mhz you may or may not be able to use 444-12, if not try 544-12 first and so on ^^^

    Set all Suggested below to highest Values first. Then later you can lower, one at a time, testing as you go

    Advanced Timing Control
    tRRD........................................... 3-4
    tWTR.......................................... 4-8
    tWR............................................4-10
    tRFC........................................... 65-75
    tRTP........................................... 4-7
    Command Rate (CMD) ....................: 2

    Driving Strength Profiles
    Driving Strength ............................800/1066 (Test/Bench Both last, set 800 Now)

    Channel A
    Static tRead Value.........................: 6/7-10 333/B MCH - 8/9-12 400/D MCH
    tRD Phase0 Adjustment...................:Auto <<< 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...................:Auto <<< 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….……….........................: 1.375v (1.3250v VID) More of course, all up to your CPU and board's vdro/vdroop. You may need 1.35-1.425 or so actual for 3.4, which may be more then that as a actual BIOS setting to get those actual voltages in windows

    CPU Termination…..... 1.200V*.......: <<< 1.2-1.5
    CPU PLL…………………....1.500V*.......: << 1.5-1.65

    CPU Referen.…………....0.755V*.......: <<< 0.762v

    CPU Reference2………,,0.800V*.......:<<< N/A

    MCH/ICH
    MCH Core…………….....1.100V...........: << 1.2-1.35
    MCH Reference….…….0.800V...........; <<< AUTO
    MCH/DRAM Ref.…......0.900V...........: <<< N/A
    ICH I/O……………….....1.550V............: <<< 1.50-1.55
    ICH Core…………...……1.100V............: <<< 1.14-1.12

    DRAM
    DRAM Voltage ……....1.800V............: 1.9V-2.0V
    DRAM Termination .…0.900V............: <<< N/A
    Channel A Reference 0.900V............: <<< N/A
    Channel B Reference 0.900V............: <<< N/A

    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.........................: [Enabled]
    Virtualization Technology................: [Disabled] Enabled if you use Vmware/Virtual PC

    Integrated Peripherals
    Legacy USB Storage Detect ..............[Enabled]

  6. #6
    Join Date
    Jan 2009
    Posts
    10

    Default Re: OC Help/Advice with GA-EP45-DS3L & Q6600

    im running the f9 bios. i know f10 is ou but im hesitant to upgrade because i read that updates can sometimes mess up your stable oc settings and i dont really have problems now. you recommend testing mem settings with memtest? also how do i know when to change all those extra voltage settings other than vcore, like cpu pll?
    • CPU
      Q6600 @ 3.0ghz
    • Motherboard
      Gigabyte GA-EP45-DS3L
    • Memory
      G. Skill PI PC2-6400 8GB (4x2GB)
      Graphics Card
      BFG 8800 GTX
    • Hard Drive
      Seagate SATA 300GB, WD SATA 160GB
    • Sound Card
      Onboard HD
    • Power Supply
      Corsair TX 650w
    • Case
      ThermalTake
    • CPU cooling
      Tuniq Tower 120
    • GPU cooling
      Stock
    • OS
      Vista Ultimate x64
    • Monitor
      HP w22 LCD Monitor

  7. #7
    Join Date
    Jan 2009
    Posts
    10

    Default Re: OC Help/Advice with GA-EP45-DS3L & Q6600

    Ok, I got my new ram. Installed just fine, and is detected properly in bios and vista. I tried to use Lsdmeasap's advice to get to a 3.4ghz overclock, but eventually after trial and error I arrived at a vcore setting of 1.59375v (my vdroop seems to be horrible). That was the first setting I got to that wouldn't BSOD/restart me in prime95 using small fft testing within the first 5 minutes. I had prime95 running for 23 minutes at the above vcore, but my temps reached 72C, so I stopped the testing and decided to go with a 3.3ghz overclock for the time being. Here are my current settings for 3.3ghz:

    MB Intelligent Tweaker(M.I.T.)
    Robust Graphics Booster ...............: AUTO
    CPU Clock Ratio ..........................: 8
    CPU Frequency ...........................: 3.3ghz(413x8)


    Clock Chip Control
    Standard Clock Control
    CPU Host Clock Control..................: [Enabled]
    CPU Host Frequency (Mhz) ............: 413 Mhz
    PCI Express Frequency (Mhz) .........:100

    C.I.A.2 .................................:[Disabled]


    Advanced Clock Control [Press Enter]
    CPU Clock Drive...........................: <<< 800mV
    PCI Express Clock Drive.................: <<< 800mV
    CPU Clock Skew (ps)....................: <<< 0ps
    MCH Clock Skew (ps)...................: <<< 0ps


    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) ..............: 826
    DRAM Timing Selectable ................: [Manual]

    Standard Timing Control
    CAS Latency Time........................ 4
    tRCD ......................................... 4
    tRP'........................................... 4
    tRAS.......................................... 12

    ^^ At 850 Mhz you may or may not be able to use 444-12, if not try 544-12 first and so on ^^^

    Set all Suggested below to highest Values first. Then later you can lower, one at a time, testing as you go

    Advanced Timing Control
    tRRD........................................... 3
    tWTR.......................................... 4
    tWR............................................4
    tRFC........................................... 65
    tRTP........................................... 4
    Command Rate (CMD) ....................: 2

    Driving Strength Profiles
    Driving Strength ............................800

    Channel A
    Static tRead Value.........................: 9
    tRD Phase0 Adjustment...................:Auto <<< 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
    DDR Write Training…………………………….: Auto

    Channel B
    Static tRead Value.........................: 9
    tRD Phase0 Adjustment...................:Auto <<< 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….……….........................: 1.53750v

    CPU Termination…..... 1.200V*.......: <<< 1.5
    CPU PLL…………………....1.500V*.......: <<1.65

    CPU Referen.…………....0.755V*.......: <<< 0.952v

    CPU Reference2………,,0.800V*.......:<<< Not available

    MCH/ICH
    MCH Core…………….....1.100V...........: << 1.34
    MCH Reference….…….0.800V...........; <<< AUTO
    MCH/DRAM Ref.…......0.900V...........: <<< N/A
    ICH I/O……………….....1.550V............: <<< 1.55
    ICH Core…………...……1.100V............: <<< Not available

    DRAM
    DRAM Voltage ……....1.800V............: 1.9V
    DRAM Termination .…0.900V............: <<< N/A
    Channel A Reference 0.900V............: <<< N/A
    Channel B Reference 0.900V............: <<< N/A

    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.........................: [Enabled]
    Virtualization Technology................: [Disabled]

    Integrated Peripherals
    Legacy USB Storage Detect ..............[Enabled]


    I've ran these settings stable in prime95 for 2 hr 23 min (will try to test longer later, but I needed to actually use the computer for now )

    So can anyone, Lsdmeasap, help me tweak these settings a bit and possibly lower some of the voltage and keep it stable or increase performance. Also note that with my new ram I got a couple of new settings: 1)Extreme Memory Profile (X.M.P) and 2) DDR Write Training. Can you make sure I have those set at what they need to be.

    And... I would still like to achieve 3.4ghz. When I tried to achieve it before, all the above settings I posted for 3.3 were the same for what I tried for 3.4, only the FSB and Multiplier were set at 425x8 which also put the Memory Frequency at 850. And like I said, I had my vcore up to 1.59375v. Had 23 minutes stable in prime95 but temps got too high. Does anyone, again Lsdmeasap , see anyway I might have messed up the voltages or something that would allow me to lower the vcore and get it stable?

    I have a Q6600 with a 1.325v VID so I know this may be a long shot. Thanks!
    • CPU
      Q6600 @ 3.0ghz
    • Motherboard
      Gigabyte GA-EP45-DS3L
    • Memory
      G. Skill PI PC2-6400 8GB (4x2GB)
      Graphics Card
      BFG 8800 GTX
    • Hard Drive
      Seagate SATA 300GB, WD SATA 160GB
    • Sound Card
      Onboard HD
    • Power Supply
      Corsair TX 650w
    • Case
      ThermalTake
    • CPU cooling
      Tuniq Tower 120
    • GPU cooling
      Stock
    • OS
      Vista Ultimate x64
    • Monitor
      HP w22 LCD Monitor

  8. #8
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Jan 2008
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    Default Re: OC Help/Advice with GA-EP45-DS3L & Q6600

    CPU Vtt (Termination) and PLL should be set manuall anytime you are overclocking!

    Settings above look good, you can likely use less Vtt and PLL at those clocks though, just so you know

    XMP Disabled, Write Training leave on Auto or you can try enabled. Do you need more Ram voltage, just asking?

    72 is ok temps for 65NM. I have ran my 45 and 65Nm ones into the high 80's for long times without issues. Of course temps are all up to what you accept of course. See if lowering the Vtt and PLL helps the temps any

    Have you tried less MCH, just wondering

  9. #9
    Join Date
    Jan 2009
    Posts
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    Default Re: OC Help/Advice with GA-EP45-DS3L & Q6600

    Quote Originally Posted by Lsdmeasap View Post
    CPU Vtt (Termination) and PLL should be set manuall anytime you are overclocking!

    Settings above look good, you can likely use less Vtt and PLL at those clocks though, just so you know

    XMP Disabled, Write Training leave on Auto or you can try enabled. Do you need more Ram voltage, just asking?

    72 is ok temps for 65NM. I have ran my 45 and 65Nm ones into the high 80's for long times without issues. Of course temps are all up to what you accept of course. See if lowering the Vtt and PLL helps the temps any

    Have you tried less MCH, just wondering
    When you ask about the ram voltage, are you meaning that insufficient ram voltage might have caused the BSOD kill when I was going for 3.4ghz?

    When I was going for 3.4ghz, i originally didn't up VTT or PLL, and didn't touch the MCH voltages, but as my vcore kept creeping higher and higher, I eventually bumped all those up to the maximum ranges you gave me earlier in hopes of getting it stable.

    The only reason i quit at 72C was because I've read in other threads that you don't want to go outside of 69-71C range, but if going outside of that isn't a problem, then I'm fine with it. I really didn't know except for what I've read others say. I just don't want to damage my chip trying to get bonus speed.

    When I asked about knowing when to change CPU PLL and VTT before, I meant at what point do you know that you need to up the other voltages besides vcore, and how do you decide what to change them to?

    My temps at 3.3ghz now are fine, but if you think its ok to go above 72C at full load with my Q6600, then I may go for 3.4ghz again. Will I notice a significant difference between 3.3 and 3.4ghz?

    Thanks.
    • CPU
      Q6600 @ 3.0ghz
    • Motherboard
      Gigabyte GA-EP45-DS3L
    • Memory
      G. Skill PI PC2-6400 8GB (4x2GB)
      Graphics Card
      BFG 8800 GTX
    • Hard Drive
      Seagate SATA 300GB, WD SATA 160GB
    • Sound Card
      Onboard HD
    • Power Supply
      Corsair TX 650w
    • Case
      ThermalTake
    • CPU cooling
      Tuniq Tower 120
    • GPU cooling
      Stock
    • OS
      Vista Ultimate x64
    • Monitor
      HP w22 LCD Monitor

  10. #10
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
    Join Date
    Jan 2008
    Location
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    25,940

    Default Re: OC Help/Advice with GA-EP45-DS3L & Q6600

    Yes, if your ram is rated for higher then 1.9V (Which you may actually be getting less than) then it can cause BSOD for sure. Check in PC health page and see what 1.9 setting is giving you. I would personally still set 1.95 or 2.0

    Those voltages at max I suggested may also cause you issues, Those would be max needed (possibly) at higher clocks then you are running

    Ya you are fine with your temps, 65NM CPU's are Strong!! And as I said you only have it in the 70's for tests anyway not during normal use. You would be fine with 70-80 as load temps, but keep in mind that would be about the limit I would keep as far as voltages go. Meaning if you are reaching 80 then you likely are at your limit or you need to lower vcore and try something else

    Setting Vtt and PLL is all a trial and error thing. I would start with Vtt at stock and then raise Vcore a bit and as you go if you feel more and more vcore is needed then try adding Vtt and see if less vcore is needed. PLL you can set to 1.45-1.59 and see how that works for you. More then 1.59 would likely not be needed until you pass 3.6

    Na, the difference between 3.3 and 3.4 would be negligible and likely not worth the temps. If you can get your voltages down though it may be worth it. Have you redone your thermal paste? Do you think you used to much?

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