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Thread: Hitting a wall with GA-EP45-DS3R




  1. #1
    Join Date
    Aug 2008
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    Default Hitting a wall with GA-EP45-DS3R

    I just got a new system <?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p>
    <o:p></o:p>

    e7200<o:p></o:p>
    GA-EP45-DS3R<o:p></o:p>
    2gb of Crucial Ballistix BL12864aa1065 (1066 555-12 2.2v)<o:p></o:p>
    <o:p></o:p>
    <o:p></o:p>

    Right now I have the system running at 333 FSB with 9.5 multi for 3.16 on the CPU and i am running the system memory multipler at 2.4b for 800mhz<o:p></o:p>

    <o:p></o:p>
    With these settings the system is rock solid and pretty cool (53 at max load in Prime 95) with everything on auto in the bios.<o:p></o:p>
    <o:p></o:p>

    When I try to push the system to 400 fsb that’s when everything starts to get sticky<o:p></o:p>
    <o:p></o:p>

    Prime95 will run sometimes with errors and sometimes without. I have run memtest on my ram with no errors. I have tried undeclocking the cpu with x6 muti and I still have errors in prime95 SOMETIMES. <o:p></o:p>
    <o:p></o:p>

    I'd love to get a stable 400 FSB so I could push my CPU a little bit more. I’d also love to run the ram @ the 1066 but even with the timings set and Voltage set to 2.2 (it’s purple in the bios yikes!) I’m still having the same problems.<o:p></o:p>


    I've also been reading a lot about the overall screwy-ness of the bios on this board and all the p45 advanced options.<o:p></o:p>
    <o:p></o:p>

    any ideas?<o:p></o:p>
    <o:p></o:p>
    thanks in advance!!<o:p></o:p>
    Last edited by pancakey; 08-04-2008 at 04:23 AM.

  2. #2
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    Default Re: Hitting a wall with GA-EP45-DS3R

    What is your NB voltage set to? Set it to +.1v. You can also try +.2v.

  3. #3
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    Default Re: Hitting a wall with GA-EP45-DS3R

    MCH voltage (along with all other voltages) is set to auto.

  4. #4
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: Hitting a wall with GA-EP45-DS3R

    Well, than add some MCH for sure.

    I am not so sure about GA-P45 yet, but GA-P35 and crucial did not play well together.

    I see you say MCH on AUTO, as well as the rest.... That is likely a major part of the issue. You are going to need to manually adjust your CPU voltage for sure, I'd suggest start high and then lower and test until it fails then raise back up again. 1.35 or so should be plenty high for only 400FSB

    Try this for 3.6 @ 400 FSB with ram at 1000 for now >>>>

    MB Intelligent Tweaker(M.I.T.)
    Robust Graphics Booster ...............:
    CPU Clock Ratio ..........................: 9
    Fine CPU Clock Ratio.....................:.0
    CPU Frequency ...........................: 3.600


    Clock Chip Control
    Standard Clock Control
    CPU Host Clock Control..................: [Enabled]
    CPU Host Frequency (Mhz) ............:400 Mhz
    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...............: [Auto]
    System Memory Multiplier ..............: 2.5 ( 400X2.5=1000MHz)
    Memory Frequency (Mhz) ..............: 1000Mhz
    DRAM Timing Selectable ................: [Manual]

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

    Advanced Timing Control [Press Enter]
    tRRD...........................................3-4
    tWTR..........................................9-11
    tWR............................................3-5
    tRFC...........................................42-52
    tRTP...........................................3-6
    Command Rate (CMD) ....................:2

    Channel A
    Static tRead Value.........................:7-10
    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.........................:7-10
    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….……….........................:1.325-1.365 (Try 1.35 then lower as you test)
    CPU Termination…..... 1.200V*.......: <<< Leave
    CPU PLL…………………....1.500V*.......: <<< Leave
    CPU Referen.…………....0.755V*.......: <<< Leave
    CPU Reference2………,,0.800V*.......:<<< Leave

    MCH/ICH
    MCH Core…………….....1.100V...........: << Add +1 for stability
    MCH Reference….…….0.800V...........; <<< Leave
    MCH/DRAM Ref.…......0.900V...........: <<< Leave
    ICH I/O……………….....1.550V............: <<< Leave
    ICH Core…………...……1.100V............: <<< Leave

    DRAM
    DRAM Voltage ……....1.800V............: Set to 2.1V
    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............: [Disabled]
    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]

  5. #5
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    Default Re: Hitting a wall with GA-EP45-DS3R

    Thanks for all the help!

    Im a little confused on these settings.

    is the 1st number the default and the second what i should change it to? or are these a suggested range to test. i placed everything @ the max value you provided thinking thats what you were trying to suggest. could this cause more heat?

    Advanced Timing Control [Press Enter]
    tRRD...........................................3-4
    tWTR..........................................9-11
    tWR............................................3-5
    tRFC...........................................42-52
    tRTP...........................................3-6
    Command Rate (CMD) ....................:2

    this is what it looks like in my bios ...

    Advanced Timing Control [Press Enter]
    tRRD...........................................4 - auto
    tWTR..........................................4 - auto
    tWR............................................8 - auto
    tRFC...........................................68 - auto
    tRTP...........................................4 - auto
    Command Rate (CMD) ....................0 - auto

    After using the settngs that you provided , the heat of my CPU jumped from 55c ish @ full load to 74c in prime 95. (monitored in real temp with tjmax of 95)

    I tried lowering the CPU voltage to 1.30 and now my temps are steady around 70c @full load in prime 95.

    i think this is too hot! maybe i should just go back to 3.16 ghz 333 fsb? :D

  6. #6
    Lsdmeasap's Avatar
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    Default Re: Hitting a wall with GA-EP45-DS3R

    They are suggested ranges, with the highest being loose which should work no problem and the lowest being what you would want to later tweak to if possible. When lowering them be sure you only lower one at a time and test after each move, if you lower more then that then when you get errors you wont know which caused it

    No, timings wont cause more heat only voltage changes. And If you used the CPU voltages I suggested (which are the ONLY ones that would affect CPU temps) then like I said it is a high range and you can likely lower with testing.

    If you want to keep a really high clock it sounds like you need a much better cooler. If you are using Intel stock one then for sure you do either way

  7. #7
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    Default Re: Hitting a wall with GA-EP45-DS3R

    Thanks again for all your help L.

    The cooler i have is The Thermaltake TMG i2.

  8. #8
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    Default Re: Hitting a wall with GA-EP45-DS3R

    "System Memory Multiplier ..............: 2.5 ( 400X2.5=1000MHz)"
    There's no such multiplier in this motherboard, so You couldn't have used this. You may choose between 2.66x400 (should do) and 2.40x400 (must do). I wouldn't care about advanced timings, just leave them in auto.
    Lsdmeasap is right wondering if the cooler is good enough or, perhaps it is not mounted properly.
    GA-EP45-DS3R F8 / E8400@4.2GHz / Scythe Katana 2 / Patriot Dual LLK 2x2GB CL4 /
    EVGA GTX280@640/2550MHz / X-Fi X-treme Music / Seagate Barracuda 500GB 32MB /
    Chieftec Dragon CFT-650-14C / Win XP Pro SP2

  9. #9
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    Default Re: Hitting a wall with GA-EP45-DS3R

    Quote Originally Posted by pancakey View Post
    Thanks for all the help!
    I tried lowering the CPU voltage to 1.30 and now my temps are steady around 70c @full load in prime 95.

    i think this is too hot! maybe i should just go back to 3.16 ghz 333 fsb? :D
    I get 58c 100% load @ 3.8GHz, 1.3v with my E7200 and Xigmatek HDT-S1283. You should not need so much voltage for under 3.6GHz with an E7200, I don't think CPU voltage is the cause of your instability.

  10. #10
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: Hitting a wall with GA-EP45-DS3R

    That or it is too much voltage causing instability. People often jump to adding more voltage to try to get things working...... Which it sometimes does.

    And sometimes does even if it was not the issue, which then leads to way to much being used and gives the a user false sense of "That fixed it, by adding more volts"

    I said 1.325-1.35 as a range to for sure work down from as I have not used or read much on this CPU. Sounds like from your post that he should be using 1.3 or less, likely less

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