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Thread: GA P45 DS4 and E6400 how to overclock?




  1. #1
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    Default GA P45 DS4 and E6400 how to overclock?

    I am very fresh user of GA EP45 DS4 (from today). Previous I had GA 965P DS4 and with E6400 from 2,13 Mhz without any problem I made 3,5-3,6 Mhz (powersupply is Enermax 720W and cooler Thermalright Si128 - temps ca 50-55 C from Thermal Analysis Tool). From few hours I trying overclocking but in this BIOS is too many options for me :( . I cannot make more than 2,3 Mhz. My RAM is Patriot LLK 800 (1000). Kindly asking for help...

  2. #2
    Lsdmeasap's Avatar
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    Default Re: GA P45 DS4 and E6400 how to overclock?

    So, I take it you know what voltage you used for 3.6 right? If so, great. What you need to do is add about .6 to that in the BIOS. This board has a much larger vdrop/vdroop so what you set in the BIOS will be about .6 or so less actual at idle, and even less at load.

    I do need to know what Ram config you have, but Ill post both a 2x1 and 2x2 settings range for you. Please do link to where you bought it so I can see warrantied voltages.

    Here is some suggested ranges for you at 3.6 >>>>

    MB Intelligent Tweaker(M.I.T.)
    Robust Graphics Booster ...............: Fast
    CPU Clock Ratio ..........................: 8
    CPU Frequency ...........................: 3.6Ghz


    Clock Chip Control
    Standard Clock Control
    CPU Host Clock Control..................: [Enabled]
    CPU Host Frequency (Mhz) ............: 450Mhz
    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)....................: <<< 0-50 Same as below
    MCH Clock Skew (ps)...................: <<< 100-200 for 2x2, only for stability testing once you get going


    DRAM Performance Control
    Performance Enhance...................: [STANDARD]
    Extreme Memory Profile (X.M.P.).....: Disabled
    (G)MCH Frequency Latch...............: [333] <<< 400 may also work. 333 is better if you can boot with it. Set Voltages, Static Tread and this only then reboot to set the rest. Main thing is to set this w/ as little other changes as you can, so you may need to put the ram timings in Auto, or all very high first then reboot to change this.

    System Memory Multiplier ..............: 2.00
    Memory Frequency (Mhz) ..............: 900
    DRAM Timing Selectable ................: [Manual]

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

    These are ranges, set all to highest first, then lower later testing between each move.

    Advanced Timing Control
    tRRD...........................................3-6
    tWTR..........................................3-5 (May need 12 for first boot thru)
    tWR............................................4-6 (May need 14 for first boot thru)
    tRFC...........................................42 for 2x1 (52-62 for 2x2)
    tRTP...........................................3-6
    Command Rate (CMD) ....................:2

    Driving Strength Profiles
    Driving Strength ............................ 800-1066, 1066 I find is better for sub 1066 speeds

    Channel A
    Static tRead Value.........................:(6/7-8 for 333 MCH) (8/9-10 for 400 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.........................:(6/7-8 for 333 MCH) (8/9-10 for 400 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….……….........................: Like I said above, set to what you used to use Plus about .6

    CPU Termination…..... 1.200V*.......: <<< 1.2-1.5 (You may leave on auto, but at that high of a overclock you may want to manually try some higher ranges once you get vcore set

    CPU PLL…………………....1.500V*.......: <<< Set to what you see as stock in the BIOS, Auto will overvolt it.

    CPU Referen.…………....0.755V*.......: <<< .64% Of Vtt (Termination above) Will self adjust once you set the above if you manually set it at stock for stock termination
    CPU Reference2………,,0.800V*.......:<<< .67% Of Vtt (Termination above) Will self adjust once you set the above if you manually set it at stock for stock termination

    MCH/ICH
    MCH Core…………….....1.100V...........: << 1.15 for stability if using 2x1GB, 1.2-1.3 for 2x2GB

    MCH Reference….…….0.800V...........; <<< Leave
    MCH/DRAM Ref.…......0.900V...........: <<< Leave
    ICH I/O……………….....1.550V............: <<< 1.55-1.6
    ICH Core…………...……1.100V............: <<<1.15-1.35

    DRAM
    DRAM Voltage ……....1.800V............: 2.0-2.1
    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

  3. #3
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    Default Re: GA P45 DS4 and E6400 how to overclock?

    Thanks you very much for your nice solution. I made this with your help ! Now I have 3,2 Mhz and this is enough for me. I have in my plans to buy new 2x2GB of OCZ 1066 MHz sticks then I will show you specification of this Ram and again I'll ask you for help in Bios configuration. Once again thanks and king regards !

  4. #4
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: GA P45 DS4 and E6400 how to overclock?

    Glad I could help, good luck with everything! And for sure post back anytime.

    So why not 3.6? I can help you get it if you like

  5. #5
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    Default Re: GA P45 DS4 and E6400 how to overclock?

    Now I fixed it up to 3,5 GB - and for my actual cooling system this is nearly maximum. I have another question regarding shutdown of my mobo. This is rather strange and hard to explain but i try to describe. Windows XP is working... I clicking "start" and then "shut off" - windows is closing applications and after few second mobo is finishing work and I hearing that hard disk slowing down speed, I see black screen - all system is turned off. Up to this moment everything is correct but... after 1 second mobo is getting up - hard disk and fans are rotating faster and... after 1 second or even less (this time is very short BIOS screens is not shown !) mobo is turned off. Now it is turned off "stable". I have always such strange double switching off. Is this normal for this mobo ?
    Last edited by malin12; 10-23-2008 at 03:32 PM.

  6. #6
    Lsdmeasap's Avatar
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    Default Re: GA P45 DS4 and E6400 how to overclock?

    Sounds odd to me, what BIOS are you using? And have you put the system to sleep ever yet?

  7. #7
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    Default Re: GA P45 DS4 and E6400 how to overclock?

    Bios is F6 and I never use system sleep.

  8. #8
    Lsdmeasap's Avatar
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    Default Re: GA P45 DS4 and E6400 how to overclock?

    K, just wondered about Sleep as I see resume sometimes flash a strange screen.

    Maybe you should update to a newer BIOS, DO NOT USE @BIOS. Please see here for how to use Qflash >>>
    http://forums.tweaktown.com/f69/bios...h-guide-27576/

    BIOS for your board, now up to F9 >>
    GIGABYTE - Support - Motherboard - BIOS - GA-EP45-DS4 (rev. 1.0)

    Be sure once you flash to load optimized defaults, save and apply/reboot back to the BIOS and make your disk changes and all other changes you need to again before you load windows

  9. #9
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    Default Re: GA P45 DS4 and E6400 how to overclock?

    I just tryed latest F9 Bios, but I was unable to overclock under it even up to 100 Mhz :(. Now I have F7 and everything working fine... (now has 3500Mhz). Mayby F9 doesnt like my E6400 ?
    "Double shut down" I have with F9 and F7 Bios as well...

  10. #10
    Lsdmeasap's Avatar
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    Default Re: GA P45 DS4 and E6400 how to overclock?

    Well F8-9 would be better at using your CPU then a older BIOS. When you say it wouldn't overclock you do know not all BIOS's are the same right? I mean you cannot always just use the same values as previously set and you have to start high again and work your way down. Did you try that?

    Well since you have this shut down issue with both versions, you may want to try a dual boot or a clean install to see if it is something in your windows causing this.

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