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Thread: GA-P35-S3G overclock help please




  1. #31
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    Default Re: GA-P35-S3G overclock help please

    Sounds good for sure for that board.

    Ya, you should benchmark trfc 37-40 and see what performs best.

    Memtest86+ passing that long but orthos failing ONLY means your CPU is at fault, so you need to adjust the volts to it, like a bit more. Or give up on that due to heat and back off a few Mhz

  2. #32
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  3. #33
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    Default Re: GA-P35-S3G overclock help please

    Yeah, I've been pluggin' some different numbers in. I really don't want to push this 3phase mobo much beyond 1.4v on the PWM, and that's what it'd take to get prime stable at 3gHz or more. So I've dropped down to 2.8gHz (8x350) and lowered the vCore to 1.35v, but I still need to stress-test it to see how much more juice it needs to be 100% golden.

    At 350FSB, it has passed MemTest86+ without errors at DDR2-1050 555-15 at 2.1v using a 3x multiplier, and at DDR2-875 444-12 at 2.1v using a 2.5x multiplier. They perform about the same, but 1050 sounds more impressive than 875, so I'll stick with that, ha (for a day or two, anyway).

    Robust Graphics Booster_________ TURBO
    CPU Clock Ratio_________________ 8x
    CPU Frequency__________________= 2.8gHz
    CPU Host Clock Control__________ ENABLED
    CPU Host Frequency (MHz)________ 350
    PCI Express Frequency (MHz)_____ 102
    Performance Enhance_____________ STANDARD
    System Memory Multiplier________ 3.00
    Memory Frequency (MHz)_________= 1050mHz

    DRAM Timing Selectable__________ MANUAL
    CAS Latency Time________________ 5
    Dram RAS# to CAS# Delay_________ 5
    Dram RAS# Precharge Delay_______ 5
    Precharge Delay (tRAS)__________ 15
    ACT to ACT Delay (tRRD)_________ 3 ... tRRD
    Rank Write to READ Delay________ 4 ... tWTR . (+8=12 in MemSet)
    Write to Precharge Delay________ 4 ... tWR . . (+8=12 in MemSet)
    Refresh to ACT Delay____________ 38 .. tRFC
    Read to Precharge Delay_________ 2 ... tRTP . (+2=4 in MemSet)
    Static tRead Value______________ 5 ... tRD
    Static tRead Phase Adjust_______ AUTO

    System Voltage Control__________ MANUAL
    DDR2 OverVoltage Control________ +0.20v
    FSB OverVoltage Control_________ NORMAL
    FSB De-OverVoltage Control______ NORMAL
    (G)MCH OverVoltage Control______ +0.10v
    CPU GTLREF Voltage Ratio________ 0.636
    CPU Voltage Control_____________ 1.35000v
    Normal CPU vCore_______________= 1.32500v

    1M SuperPI is at the 20.9s level.
    3DMark01 is at the 24.8k level.
    These are slightly lesser scores, but the CPU is using 0.0375v less juice.

    My choices of 6-7-8-9 CPU Clock Ratio and all of the System Memory Multipliers allow for many possible setups. And I keep a spreadsheet that has it all calculated, which makes it easier to comprehend. I haven't dared to push this mobo much beyond 390 FSB, and I'm not too sure it can (can it?).

    I spent all day at a Habitat house installing baseboard, so I haven't pulled the mobo yet. But after I re-TIM the NB and tighten my CPU HSF by shimming its backplate, perhaps it'll gain enough benefits to juice it up and try for 3gHz at 7x429 with DDR2-1030. In my dreams, that'd be nice. Have you got any idea how high FSB this P35-S3G can reach, stable? That little 50mm NB fan is the loudest thing in my box, and it might perform better on a taller HS.

    Thanks.
    Last edited by jfk&g; 10-11-2008 at 04:25 AM.
    Gigabyte P35-S3G . 50mm Fan on MCH +0.2v
    Intel E6500 (9 x 420) 3780mHz 1.33125v
    G.Skill 4x1GB
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    840mHz +0.2v
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  4. #34
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    Default Re: GA-P35-S3G overclock help please

    That looks good, Tight timings as well.

    Ya, you can go past 400 FSb no problem

    I always redo the Paste under all heatsinks on my boards before I even fire them up. There is cement under there

    I would say you can do 450 or so without issue

    As for your NB, maybe you should get a ThermalTake Extreme Spirit II. I have used them in Several P35 and 965P builds and they work wonders and are pretty quiet at the same time. And less than $20 >>>>
    Newegg.com - Thermaltake CL-C0034 Copper Fan & Heatsinks - Memory & Chipset Cooling

    Maybe even cheaper if you check out ebay

  5. #35
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    Default Re: GA-P35-S3G overclock help please

    I stopped Orthos-Blend after running for 13hrs-15min with 0 errors and 0 warnings.
    (8x350 2.8gHz 1.35v ... DDR2-1050 +0.2v)

    Temperatures from SpeedFan:
    CPU ..... max-145.4 (62.9c) ... mean-143.6 (61.9c) / 135.5 (57.4c)
    Core0 ... max-140.0 (59.9c) ... mean-138.2 (58.9c) / 131.9 (55.4c)
    Core1 ... max-140.0 (59.9c) ... mean-138.2 (58.9c) / 131.9 (55.4c)


    Voltages from SpeedFan:
    CPU .... min-1.34 ... max-1.36 ... mean-1.34
    MEM .... min-2.06 ... max-2.10 ... mean-2.08
    +3.3v .. min-3.39 ... max-3.42 ... mean-3.41
    +5v .... min-5.00 ... max-5.03 ... mean-5.02
    +12v ... min-12.29 .. max-12.48 .. mean-12.30

    The temperature mean fluctuates a lot, so I recorded the high/low that I've seen. Those temps seem acceptable at those speeds. I just kinda guesstamated the 1.35v setting in BIOS, so maybe it can be reduced a bit and still be golden.

    Glad to hear that 7x429 is in the realm of possibilities on this board. It'd be interesting to see the effects of running the FSB that high, even if it were just for intermittent testing.

    I'd read before that you'd recommended that NB HSF. It's a nice package. Both Newegg & eBay work for me, so I'll give it a closer look.

    Thanks for invigorating these successful configs. Nothing's better for a geek than a helpful wizard.
    Last edited by jfk&g; 10-13-2008 at 05:47 AM.
    Gigabyte P35-S3G . 50mm Fan on MCH +0.2v
    Intel E6500 (9 x 420) 3780mHz 1.33125v
    G.Skill 4x1GB
    PC2-6400-NQ
    840mHz +0.2v
    Gigabyte HD4850 . Acer X223W . Acer X193W+
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  6. #36
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    Default Re: GA-P35-S3G overclock help please

    Nice results. Cant comment on the temps, I am so used to seeing Celsius That makes me lost being in fahrenheit

    Ya, it really is a nice cooler. Enzotech also makes a great NB heatsink, but you may have/want to get a 40MM fan to put on it. And those are hard to find quiet. But for $20 you can miss on that ThermalTake

    Thanks for the kind words, and happy overclocking. Post back some results when you get into trying 400+ FBS. Dont get scared either, you can bounce in there anytime just to see how temps actually are anyway. A short boot into windows, or a few minutes of orthos to boost temps, to check wont hurt anything

  7. #37
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    Default Re: GA-P35-S3G overclock help please

    This configuration uses the same voltages as above, but has faster CPU and MEM. The CPU reaches 151f-66c after an hour in Orthos, which keeps below the 158f-70c BIOS alarm. I also looped MemTests #5(x20), #2(x20), #7(x8) for a combined hour at 1083 with zero errors.

    Robust Graphics Booster_________ TURBO
    CPU Clock Ratio_________________ 9x
    CPU Frequency__________________= 2925mHz
    CPU Host Clock Control__________ ENABLED
    CPU Host Frequency (MHz)________ 325
    PCI Express Frequency (MHz)_____ 102
    Performance Enhance_____________ STANDARD
    System Memory Multiplier________ 3.33
    Memory Frequency (MHz)_________= 1083mHz

    DRAM Timing Selectable__________ MANUAL
    CAS Latency Time________________ 5 ... CL
    Dram RAS# to CAS# Delay_________ 5 ... tRCD
    Dram RAS# Precharge Delay_______ 5 ... tRP
    Precharge Delay (tRAS)__________ 15 .. tRAS
    ACT to ACT Delay (tRRD)_________ 3 ... tRRD
    Rank Write to READ Delay________ 4 ... tWTR .. +8=12 MemSet
    Write to Precharge Delay________ 4 ... tWR ... +8=12 MemSet
    Refresh to ACT Delay____________ 38 .. tRFC
    Read to Precharge Delay_________ 2 ... tRTP .. +2=4 MemSet
    Static tRead Value______________ 5 ... tRD ... =Performance Level MemSet
    Static tRead Phase Adjust_______ AUTO

    System Voltage Control__________ MANUAL
    DDR2 OverVoltage Control________ +0.20v
    FSB OverVoltage Control_________ NORMAL
    FSB De-OverVoltage Control______ NORMAL
    (G)MCH OverVoltage Control______ +0.10v
    CPU GTLREF Voltage Ratio________ 0.636
    CPU Voltage Control_____________ 1.35000v
    Normal CPU vCore_______________= 1.32500v

    1M SuperPI is at the 20.1s level.
    3DMark01 is at the 25.0k level, and 3DMark03 is at the 9.4k level.
    I think I'll keep this boot setup for a while. Cheers!
    Last edited by jfk&g; 10-14-2008 at 06:09 PM.
    Gigabyte P35-S3G . 50mm Fan on MCH +0.2v
    Intel E6500 (9 x 420) 3780mHz 1.33125v
    G.Skill 4x1GB
    PC2-6400-NQ
    840mHz +0.2v
    Gigabyte HD4850 . Acer X223W . Acer X193W+
    Rosewill
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  8. #38
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  9. #39
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    Default Re: GA-P35-S3G overclock help please

    Temp3 in SpeedFan gives me CPU temps. The raw SpeedFan v4.35 is fairly accurate for this board. It correlates with temps & volts in PC Health in BIOS, and CPU-Z core volts. I simply use it for the readouts, no fan controls.

    The booted Vcore is generally a little higher than the BIOS setting, but I've gotten used to it. For instance, at my current BIOS setting 1.35000v, my "drop" is 1.360, then it "droops" to 1.344 when I start Orthos. I get that three digit precision from CPU-Z, and SpeedFan reads it as 1.36/1.34 two digits.

    I haven't tried the CoreTemp app that your sticky refers to. Suppose I should, eh.
    ... ... Got it. I like how I can set the interval to fractions of a second (500ms). Having it run beside SpeedFan shows that it's quick, but the readings generally agree with each other.

    *BTW, if someone had told me this cheap RAM could run this fast, I wouldn't have believed them. I'm a believer now! It tested good at 1090 with the same timings.
    Last edited by jfk&g; 10-14-2008 at 08:00 AM.
    Gigabyte P35-S3G . 50mm Fan on MCH +0.2v
    Intel E6500 (9 x 420) 3780mHz 1.33125v
    G.Skill 4x1GB
    PC2-6400-NQ
    840mHz +0.2v
    Gigabyte HD4850 . Acer X223W . Acer X193W+
    Rosewill
    RP500-2 . WD WD3200AAJS . Masscool 8WA741

  10. #40
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    Default Re: GA-P35-S3G overclock help please

    Ill have to check it out then, I did test it not long ago and it just was not fully P45 ready yet. So that is why I asked about PWM, I really did not know a sensor was there for P35 or P45, maybe not for P45? I ran several P35 boards and everest Ultimate never gave out PWM temps for the P35's I have. And other brand boards that do have PWM Sensors show up in everest as PWM. So I just thought there is not PWM sensor on your board, but I could be wrong maybe.....

    But I kinda doubt it, as that is the budget model and I have a DS4 and a DQ6 here and neither have a PWM sensor so I would assume you are looking at a "Ghost" value and just think maybe it is PWM. You should only see 3/4 one for NB/System (Will match Easytune) one for CPU and 1/2 for Cores. I do see how it could confuse you, I see PWM MANY Times on my Speedfan config screen, but NONE are PWM and 2 of the values are ghost values and can be deleted. As you can see here, it even shows "PWM" for CPU and cores as well, which we know is wrong. And dont get me started on tge voltages, but that is P45 only I think it is ok for P35 as far as those go >>>

    <a href="http://img442.imageshack.us/my.php?image=snap2zq7.png" target="_blank"><img src="http://img442.imageshack.us/img442/474/snap2zq7.th.png"></a>

    Just want to let you know this, so you are not basing anything or planning to do anything because of a PWM Temp. I think that PWM it shows is for a PWM fan sensor is all, not a actual PWM/mosfet Controller chip.

    As you can see in my image, using Thermistor (2C) or Diode(127C) for Both the Ghost settings You can see they are both VERY Wrong so it is likely just a incorrectly picked up or false/ghost reading and should be removed

    But Hey, I could be wrong as well but I doubt it very much as my PWM's are not 2C or 127C for sure or I would see Ice or Fire

    WOW that is strange to hear your Actual voltage is more in windows then what you set in the BIOS, are you using the latest BIOS? If not you should, as that is for sure a Error and should not be happening

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