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Thread: EP45-DS3L - E7200 - PC-8500 (Overclocking help!)




  1. #1
    Join Date
    Jan 2009
    Posts
    19

    Default EP45-DS3L - E7200 - PC-8500 (Overclocking help!)

    Hey guys,

    I'm a total noob in terms of overclocking. I've tried to go at it head first but experienced some bad starts, and even no POSTing and instablity. I'm now running stable so I'd like to maybe crank up the speed on the capable little E7200 if possible. The only problem is, I don't know where to start, it's quite confusing:

    Mobo: EP45-DS3L
    CPU: E7200
    Ram: OCZ Reapers DDR2 - 1066mhz
    My goal is to run at 3.0ghz

    Everything to my knowledge is running stock right now. Anything I search for seems to yield people running this setup with 800mhz ram, I figured shelling out for the more expensive stuff would be more helpful so I did!

    Currently in the BIOS I have the CPU running at 266 x 9.5. To reach my goal of say 3.2 ghz - would it be as simple as changing the 266 to 315 and saving that to CMOS? Or are there voltage changes and ram timing changes that need to be made here? That's what confuses me the most! I've read through a few tutorials and walkthroughs posted here about OC'ing but still can't really grasp at it. Here is a quick screenshot to show you my current setup - any information would be very helpful!



    What changes in my BIOS are needed to acheive said goal of 3.0ghz? :D

  2. #2
    Join Date
    Sep 2008
    Posts
    990

    Default Re: EP45-DS3L - E7200 - PC-8500 (Overclocking help!)

    Hope this clarifies how overclocking works:

    Your CPU speed is set by the FSB and the multiplier. Since you cannot increase the multiplier (excep on Extreme Edition CPUs) you need to increase the FSB to increase the CPU speed. To increase your clockspeed to 3GHz your FSB will need to be 316, since 316 x9.5 = 3.0GHz.
    The tricky part now is that the RAM is linked to your FSB, so if you just increase the FSB, RAM speed will also increase. RAM speed is always a multiple of the FSB, and you need to adjust that multiple (called system memory multiplier) so your RAM speed won't be increased as well, because it may not be able to run at a higher speed.

    Since there are ony a limited number of system memory multiplier (you can choose any number you want but have to take the ones that are available) I'd recommend going for 3.16 GHz (333 FSB x9.5). 333 is a standard FSB for more expensive CPUs and there are multipliers that allow your RAM to run at 1066. If you were to use 316 FSB your RAM would either be running slower than 1066 or faster (which it may not be able to handle).

    In order for the higher speeds to be stable you need to increase the voltages the components are running at, namely the voltage of the CPU (Vcore), the voltage of the RAM (because you use manual settings now the BIOS may not give the correct higher-than-standard voltage for DDR2 1066 anymore), and the voltage of the motherboard chipset

    MB Intelligent Tweaker(M.I.T.)


    Robust Graphics Booster ...............: Auto
    CPU Clock Ratio ..........................: x9 = multiplier, leave this
    Fine CPU Clock Ratio.....................:0.5
    CPU Frequency ...........................: 3166MHz


    Clock Chip Control
    Standard Clock Control
    CPU Host Clock Control..................: [Enabled]
    CPU Host Frequency (Mhz) ............: 333Mhz = FSB
    PCI Express Frequency (Mhz) .........: 100Mhz can't hurt tto manually set this
    C.I.A.2 .................................:[Disabled]


    Advanced Clock Control [Press Enter]
    CPU Clock Drive...........................: 900mV
    PCI Express Clock Drive.................: 800mV
    CPU Clock Skew (ps)....................: 0
    MCH Clock Skew (ps)....................: 0


    DRAM Performance Control
    Performance Enhance...................: [STANDARD] results in more relaxed timings, use this and only try turbo when the system is stable in standard
    Extreme Memory Profile (X.M.P.).....: Disabled
    (G)MCH Frequency Latch...............: 333MHz should be as close to the FSB as possible, better higher than lower
    System Memory Multiplier ..............: 3.2C causes your ram to run at FSB x3.2, i.e 32.2 x333 = 1066
    Memory Frequency (Mhz) ..............: 1066MHz
    DRAM Timing Selectable ................: [Manual]

    Standard Timing Control
    CAS Latency Time..................5 manually setting RAM timings is also always good for overclocking
    tRCD ...................................5
    tRP .....................................5
    tRAS....................................15

    Motherboard Voltage Control
    Voltage Type: Manual

    CPU
    CPU Vcore: 1.3000V start with this much and try to decrease in 0.125V steps if your system is stable until it becomes unstable, then go back to the last stable setting

    CPU PLL: 1.55V manually set this

    MCH Core: 1.300V same as above, but you can use 0.4V steps


    DRAM
    DRAM Voltage: 2.1V or whatever is written on the label on your RAM


    Advanced Settings
    other menu, no in the M.I.T.
    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]


    Now run Prime95 and doe the blend test and report back if you get any errors.
    Last edited by Nickel020; 02-12-2009 at 06:37 AM.

  3. #3
    Join Date
    Jan 2009
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    19

    Default Re: EP45-DS3L - E7200 - PC-8500 (Overclocking help!)

    With those settings in the BIOS the system doesn't want to boot. It won't even post, the computer will power on - click off - power on again with default settings and post fine.

    The only variations I could find in my BIOS and your template above was:

    System Memory Multiplier ..............: 3.2C -- this is listed as 3.2B in my BIOS - all settings are B actually. The legend on the right hand says "X.XXB x FSB 333" though so I assumed it was the same thing. It gives me the correct freq for the ram.

    Aside from that all settings are as you listed. :(

  4. #4
    Join Date
    Jan 2009
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    Default Re: EP45-DS3L - E7200 - PC-8500 (Overclocking help!)

    Just tried again with no luck. Is there any further info you need? I'd be willing to get it for you :).

  5. #5
    Join Date
    Sep 2008
    Posts
    990

    Default Re: EP45-DS3L - E7200 - PC-8500 (Overclocking help!)

    Yes, 3.2B is correct, I always forget about that, I don't understand why 200 is C and why teh don jsut make it 200 = A, 266 = B, 333 = C and 400 = D.

    Could you make photographs of your BIOS settings? Maybe you got some thing wron.

    Also update your BIOS. I actually had the same issue with the same board and CPU were it wouldn't overclock. Every other CPU overclocked fine, and the E7200 overcloked fine on other boards. At that time newer BIOSes weren't available, but maybe the F9 BIOS fixes the problem.
    You can check what BIOS you have under the Mainboard tab of CPU-Z.

  6. #6
    Join Date
    Jan 2009
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    19

    Default Re: EP45-DS3L - E7200 - PC-8500 (Overclocking help!)

    BIOS REVISION F10









    This is what I am running stable.

  7. #7
    Join Date
    Sep 2008
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    990

    Default Re: EP45-DS3L - E7200 - PC-8500 (Overclocking help!)

    Please make pictures of how you entered the settings that I suggested^^ These are the standard settings with the CPU at stock, from this I can't tell you if you did something wrong when you entered the OC settings ;)

    Maybe I'll put the E7200 on my P45 DS3L tomorrow again, if I do I can post photographs of my BIOS settings tomorrow for you^^

  8. #8

    Default Re: EP45-DS3L - E7200 - PC-8500 (Overclocking help!)

    @ArcherV20

    For mild oc to 3.16 setting below without too much tweak.

    HIGHLIGHT red border changes.



    let me know if it works for you.

    pg
    GA-EP45-UD3R REV 1.1 BIOS F11 (stay away F10F)
    New Intel Pentium E6500 9x500 FSB=4.5 GHz on air
    G
    .SKILL PI BLK 2x2GB DDR2 800 1.8-1.9v CL4 @5.5.5.15 500 MHZ
    MSI GTX 260 OC 620/1080/1296 (192 SP)
    PSU BFG TECH GS-550W (DUAL+12V RAILS 18A EACH.)
    Windows 7 64bit build 7600



  9. #9
    Join Date
    Sep 2008
    Posts
    990

    Default Re: EP45-DS3L - E7200 - PC-8500 (Overclocking help!)

    CPU Vcore shouldn't be on Auto, that might be too low, otherwise the above settings look good.

    @powergiga
    Where did you get the basis for that pic?

  10. #10

    Default Re: EP45-DS3L - E7200 - PC-8500 (Overclocking help!)

    @E7200 users,

    I thought I could share with you with my setting and some pix below.

    7.5x500 below.



    24 hours orthos passed for OC to 3.16 stable below.



    9.5x400 at 6 hours orthos.



    pg
    GA-EP45-UD3R REV 1.1 BIOS F11 (stay away F10F)
    New Intel Pentium E6500 9x500 FSB=4.5 GHz on air
    G
    .SKILL PI BLK 2x2GB DDR2 800 1.8-1.9v CL4 @5.5.5.15 500 MHZ
    MSI GTX 260 OC 620/1080/1296 (192 SP)
    PSU BFG TECH GS-550W (DUAL+12V RAILS 18A EACH.)
    Windows 7 64bit build 7600



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