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Thread: Overclock E8400 on EP43-DS3L




  1. #1
    Join Date
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    Default Overclock E8400 on EP43-DS3L

    Hye all..

    Here's my specs :

    E8400 C0 with CM Hyper 212
    EP43-DS3L (F7)
    Corsair XMS2 DHX 2x2GB PC-6400 DDR2-800
    Cooler Master Real Power Pro 550W
    Sapphire HD4850 512MB DDR3

    The setting below is what im using right now. the problem is i cant get the FSB higher than 385MHz. at 390MHz,can load windows but fail stress test using Prime95. i set thememory multiplier to 1:1 so that i wont stress my RAM at higher frequency. thinking of OC till 3.6GHz only.

    so, any recommendation for the setting? any help is highly appreciated.


    MB Intelligent Tweaker(M.I.T.)

    Robust Graphics Booster ...............: Auto
    CPU Clock Ratio ..........................: x9
    Fine CPU Clock Ratio.....................:.0
    CPU Frequency ...........................: 3485MHz


    Clock Chip Control
    Standard Clock Control
    CPU Host Clock Control..................: [Enabled]
    CPU Host Frequency (Mhz) ............: 385Mhz
    PCI Express Frequency (Mhz) .........:Set to 100


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


    DRAM Performance Control
    Performance Enhance...................: [STANDARD]
    Extreme Memory Profile (X.M.P.).....: Disabled
    (G)MCH Frequency Latch...............: 333MHz
    System Memory Multiplier ..............: 2.00B
    Memory Frequency (Mhz) ..............: 770MHz
    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

    Channel A
    Static tRead Value.........................:12
    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.........................: 12
    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….……….........................: 1.300V
    CPU Termination…..... 1.200V*.......: <<< Leave
    CPU PLL…………………....1.500V*.......: <<< Leave
    CPU Referen.…………....0.755V*.......: <<< Leave
    CPU Reference2………,,0.800V*.......:<<< Leave (dont have this optionn)

    MCH/ICH
    MCH Core…………….....1.100V...........: << 1.300V
    MCH Reference….…….0.800V...........; <<< Leave (dont have this optionn)
    MCH/DRAM Ref.…......0.900V...........: <<< Leave (dont have this optionn)
    ICH I/O……………….....1.550V............: <<< Leave
    ICH Core…………...……1.100V............: <<< Leave (dont have this optionn)

    DRAM
    DRAM Voltage ……....1.800V............: 2.1V
    DRAM Termination .…0.900V............: <<< Leave (dont have this optionn)
    Channel A Reference 0.900V............: <<< Leave (dont have this optionn)
    Channel B Reference 0.900V............: <<< Leave (dont have this optionn)

    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]

  2. #2
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: Overclock E8400 on EP43-DS3L

    3.6 eh, Ok. Try these settings for 3.6 >>>

    You will of course need to find your own Stable Vcore, as all chips and boards are different. Best advice there is to start high and bring down later until it fails, then raise up a notch or two. Your board also has a large vdroop so keep that in mind as well. I'd say for 3.6, you will need 1.325 -1.4 set in the BIOS, all of which will be much lower in windows, and even lower at LOAD.

    MB Intelligent Tweaker(M.I.T.)
    Robust Graphics Booster ...............: Auto
    CPU Clock Ratio ..........................: x9
    Fine CPU Clock Ratio.....................:.0
    CPU Frequency ...........................: 3485MHz


    Clock Chip Control
    Standard Clock Control
    CPU Host Clock Control..................: [Enabled]
    CPU Host Frequency (Mhz) ............: 385Mhz
    PCI Express Frequency (Mhz) .........:Set to 100


    Advanced Clock Control [Press Enter]
    CPU Clock Drive...........................: <<< 800mv
    PCI Express Clock Drive.................: <<< 900mv
    CPU Clock Skew (ps)....................: <<< Leave
    MCH Clock Skew (ps)...................: <<< Leave


    DRAM Performance Control
    Performance Enhance...................: [STANDARD]
    Extreme Memory Profile (X.M.P.).....: Disabled
    (G)MCH Frequency Latch...............: 333MHz
    System Memory Multiplier ..............: 2.00B
    Memory Frequency (Mhz) ..............: 770MHz
    DRAM Timing Selectable ................: [Manual]

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

    Advanced Timing Control
    tRRD...........................................3-4
    tWTR.......................................... 3-6 (May need 8-12)
    tWR............................................ 4-6 (May need 8-14)
    tRFC........................................... 52-62
    tRTP........................................... 3-6
    Command Rate (CMD) ....................:2

    Channel A
    Static tRead Value.........................:7-12
    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.........................: 7-12
    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….……….........................: 1.300V May need far more, as you are likely only getting 1.2x in windows with this set amount

    CPU Termination…..... 1.200V*.......: <<< Leave
    CPU PLL…………………....1.500V*.......: <<< Leave
    CPU Referen.…………....0.755V*.......: <<< Leave
    CPU Reference2………,,0.800V*.......:<<< Leave (dont have this optionn)

    MCH/ICH
    MCH Core…………….....1.100V...........: << 1.300V << try 1.25
    MCH Reference….…….0.800V...........; <<< Leave (dont have this optionn)
    MCH/DRAM Ref.…......0.900V...........: <<< Leave (dont have this optionn)
    ICH I/O……………….....1.550V............: <<< Leave
    ICH Core…………...……1.100V............: <<< Leave (dont have this optionn)

    DRAM
    DRAM Voltage ……....1.800V............: 2.1V
    DRAM Termination .…0.900V............: <<< Leave (dont have this optionn)
    Channel A Reference 0.900V............: <<< Leave (dont have this optionn)
    Channel B Reference 0.900V............: <<< Leave (dont have this optionn)

    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]

  3. #3
    Join Date
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    Default Re: Overclock E8400 on EP43-DS3L

    Advanced Timing Control
    tRRD...........................................3-4
    tWTR.......................................... 3-6 (May need 8-12)
    tWR............................................ 4-6 (May need 8-14)
    tRFC........................................... 52-62
    tRTP........................................... 3-6
    Command Rate (CMD) ....................:2

    for these options,should i put at highest number first before lowering it?

  4. #4
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: Overclock E8400 on EP43-DS3L

    Yes, and test with memtest86+ with each move as you slowly lower them

    Good luck, Ill see you later today or tonight when I get back

  5. #5
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    Default Re: Overclock E8400 on EP43-DS3L

    hey there. report a bit.i put my vcore till 1.35v for 400*9.run OCCT,2 minutes later it stop testing coz it said CPU too hot lolz!tried 1.32v failed OCCT also.

  6. #6
    Lsdmeasap's Avatar
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    Default Re: Overclock E8400 on EP43-DS3L

    At 1.32 you should for sure not be too hot as that is likely 1.31 or less at load. Sounds like you need a better cooler or need to redo the paste on it.

    Or, is there some adjustment to be made to what OCCT thinks is too hot? I have not used it for a while so I cannot remember. How hot was it getting?

    *EDIT*
    Just checked it out, what is the MAX CPU temp set to? If it is 70C, then yeah your system is too hot.

    You likely do not need that much volts, but you also should not be running that hot anyway. Try less for sure and see how stable you can get it lower, that is the point anyway. I just gave you a high starting range because your board has a larger vdroop, and All chips are different. You should be fine with less, see how low you can go before it wont boot at that speed. Then bring it back up some.

    And you also need to keep in mind that it looks to me like OCCT has not been updated for 45nm Temps.

    So I would be using Orthos and realtemp or coretemp to watch temps
    Last edited by Lsdmeasap; 09-16-2008 at 08:54 PM.

  7. #7
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    Default Re: Overclock E8400 on EP43-DS3L

    Max CPU temps or MAX CORE temps? for CPU,its around 51C. for CORES,yes,70 max. =[

    i read all review bout my CM Hyper 212.all shows low temp.but mine pretty high. maybe need to redo paste.but i never done it before..

  8. #8
    Lsdmeasap's Avatar
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    Default Re: Overclock E8400 on EP43-DS3L

    I mean in OCCT, I do not see Core Temp setting, maybe I have a older version then.

    Ya, maybe you used too much, less is more. A THIN layer is all you need

    Ill see you tonight. I better go check for a new OCCT, I dont use it but it is good to have on hand the newest for issues such as this

  9. #9
    Lsdmeasap's Avatar
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    Default Re: Overclock E8400 on EP43-DS3L

    Nope I have OCCT 2.0.0a which is the latest one, And I do not see a CORE temp anywhere in the settings, only CPU. Which Could be core I suppose but I dunno.

    But either way, it would be wrong with a 45nm CPU. And that I am sure of because it does not match any other temps I have shown. So either raise that Warning temp. Or just use orthos and coretemp or realtemp

    If you will download coretemp you will see how much it is off. latest Version >>>
    Core Temp

  10. #10
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    Default Re: Overclock E8400 on EP43-DS3L

    lol. i got both CORE AND CPU readings. in OCCT,the reading for core is da same as in CORETEMP.same also in SpeedFan.

    btw,i'll try redo paste then. and add one more fan for the cooler

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