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Thread: 8Gb memory & P35-DS3R(rev. 2.1) or P43-ES3G (Rev 1.0)




  1. #11
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    Default Re: 8Gb memory & P35-DS3R(rev. 2.1) or P43-ES3G (Rev 1.0)

    Guess I've just been lucky - I've used @BIOS two or three times, but never again. I've deleted it from my Start menu so I wont be tempted to use it.

    I'll let you know how I get on when I get the chance to carry on with testing.

    Thanks for the replies.

  2. #12
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    Default Re: 8Gb memory & P35-DS3R(rev. 2.1) or P43-ES3G (Rev 1.0)

    Okay,

    I've updated to the final F13 BIOS
    (G)MCH OverVoltage Control [+0.1V]
    Performance Enhance standard
    DDR18V 2.128V with 2x2Gb in slots 1 and 3
    Running Memtest86+ v4.00
    First pass and getting errors in Test 5


    These are my current BIOS settings
    Robust Graphics Booster___________ [Auto]
    CPU Clock Ratio ____________ [9]
    Fine Clock Ratio ____________[+0.0]
    CPU Host Clock Control_ [Disabled]
    CPU Host Frequency (MHz)__________ [333]
    PCI Express Frequency (Mhz)_______ [Auto]
    C.I.A. 2__________________________ [Disabled]
    System Memory Multiplier (SPD)____ [Auto]
    DRAM Timing Selectable_______ SPD __ [Auto]
    Performance Enhance = [Standard]
    CAS Latency Time________________ 5 Auto
    Dram RAS# to CAS# Delay_________ 7 Auto
    Dram RAS# Precharge Delay_______ 7 Auto
    Precharge Delay (tRAS)__________ 24 Auto
    ACT to ACT Delay (tRRD)_________ 4 Auto
    Rank Write to READ Delay________ 4 Auto
    Write to Precharge Delay_________ 8 Auto
    Refresh to ACT Delay______________ 68 Auto
    Read to Precharge Delay__________ 4 Auto
    Static tRead Value_______________ 6 Auto
    Static tRead Phase Adjust________ 0 [Auto]

    Don't seem to have the next three
    CPU/PCIEX Clock Driving Control [800mV]
    CPU Clock Skew Control [normal]
    GMCH Clock Skew Control [Normal]

    System Voltage Control____ [Manual]
    DDR2 OverVoltage Control__ [Normal]
    PCI-E OverVoltage Control_ [Normal]
    FSB OverVoltage Control___ [Normal]
    (G)MCH OverVoltage Control [+0.1V]
    CPU Voltage Control_______ [Normal]
    Limit CPUID Max. to 3.....................: [Disabled]
    No-Execute Memory Protect............: [Enabled]
    CPU Enhanced Halt (C1E)................: [enabled]

    don't seem to have the next two
    C2/C2E State Support....................: [Disabled]
    x C4/C4E State Support..................: [Disabled]

    CPU Thermal Monitor 2(TM2) ...........: [Enabled]
    CPU EIST Function.........................: [enabled]
    Virtualization Technology................: [enabled] Enabled if you use Vmware/Virtual PC

    Integrated Peripherals
    Legacy USB Storage Detect___________________[enabled] *Note* Must be enabled to flash from USB

  3. #13
    Chike is offline Senior Member
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    Default Re: 8Gb memory & P35-DS3R(rev. 2.1) or P43-ES3G (Rev 1.0)

    A lot of errors? Are they always at the same adress(es)?
    You can run Test 5 only if it always or the quickest to report
    errors, press C then follow the menus (C, 1, 3, 5, 0, Enter, if I remember correctly).

    What does PC Health Status report for ram voltage for those settings?

    Try +0.2 on the MCH OverVoltage, if you still get errors try each stick, in slot #1, then one stick in slot #3, with MCH OverVoltage normal or +0.1. Trying to find if it's bad ram or slot, or something else with the MB.

    Please realize, not having your system spec in your forum signature it makes it difficult for us.

  4. #14
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    Default Re: 8Gb memory & P35-DS3R(rev. 2.1) or P43-ES3G (Rev 1.0)

    To clarify my system spec for the purpose of testing is:

    P35-DS3R(rev. 2.1)
    Intel E8400 Core2Duo
    Corsair XMS2 CM2X2048-85005C5 1066MHz 2048MB 5-6-6-18 2.10V Ver 4.1 x2
    Gigabyte Radeon HD 2400 XT 256 Mb graphics card passively cooled GV-RX24T256HP
    Corsair 400W PSU, CMPSU-400CXUK
    Floppy drive
    Akasa USB memory card reader

    Hard drive and 2 optical drives are not conected to PSU though they are plugged into motherboard.

    Prior to trying the Corsair memory currently being tested, my system happily ran with 2x1Gb of Crucial Ballistix 1066MHz in slots 1 and 3 and I
    ran the default tests through at least 6 passes only the other day with no errors.

    I'm afraid I haven't kept track of the errors I've been getting with the Corsair memory as there are so many. My impression is that they vary from run to run. I've had hundreds of thousands of errors on one run and then just a handful on another. But that's just an impression so not much use.

    Back to the Corsair memory, I've set MCH to +0.2V and with sticks in slots 1 and 3 got errors on test 5.

    Currently just got a stick 1 in slot 1 and running test 5 only it has got to pass 6 with no errors.

    With stick 2 in slot 3 and MCH +0.1V I quickly got 58 errors in test 5 on the first pass.

    With stick 2 in slot 1 and MCH +0.1V quickly got errors

    Stick 1 in slot 3 and MCH +0.2V just got a couple of errors on pass 2.

    Stick 1 in slot 3 and MCH +0.1V just got a couple of errors on pass 0.

    I presume DDR18V under PC Health is what you're after and it's currently 2.128V with 1 stick in slot 3 and MCH +0.1V

    Thanks for your efforts

  5. #15
    Chike is offline Senior Member
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    Default Re: 8Gb memory & P35-DS3R(rev. 2.1) or P43-ES3G (Rev 1.0)

    Were the Crucial Ballistix were running at 1066 when you tested them?

    One miore thing to try, though I don't believe it will make any difference, is FSB OverVoltage +0.1.

    You have another Corsair pair, test it the same in slots 2 & 4, then in slots 1 & 3 if no errors are reported.

    If the second pair fails also, try one pair with the following settings
    Code:
    DRAM Timing Selectable_______ SPD __ [2.40B]
    Performance Enhance = [Standard]
    
    DDR2 OverVoltage Control__ [normal] <<< also +0.1, +0.2
    (G)MCH OverVoltage Control [normal] <<< also +0.1
    All other settings on their default.

  6. #16
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    Default Re: 8Gb memory & P35-DS3R(rev. 2.1) or P43-ES3G (Rev 1.0)

    Thanks for the reply Chike

    The Crucial Ballistix were running at 1066 in the test, I loaded optimized defaults beforehand and Memtest86+ reported their speed as 1066.

    I haven't had chance to try your latest suggestions as I went to bed after my last reply. However, I did the following and left it running all night:

    Installed Corsair memory in all four slots giving 8GB in total
    Loaded optimized defaults
    Set memory speed to 800MHz
    Set timings to 5-6-6-18
    Ran Memtest86+ standard tests

    After 6 hours 30 minutes it's on to pass 4, which means it's done 4 complete passes as there is a pass 0 isn't there?

    No errors so far.

    I'm happy to try your further suggestions this evening but as you said in your first post in this thread

    "8GB may be possible though you may need to compromise DDR rate"

    I thought I would give that a go.

    A couple of questions:

    In the top left of the Memtest86+ screen memory is shown as 8191M and 4580MB/s. I presume the second figure is the calculated speed of the memory and I wondered if it's a suitable comparison to use as with the Ballistix memory installed and running at 1066MHz the figure was 4444MB/s if I recall correctly (not sure of the timings for the Ballistix)

    If I run Memtest86+ for 12 hours that should get past pass 8. In that case if there are no errors would it be fair to assume I've got a stable system?

    Test system details:
    P35-DS3R(rev. 2.1)
    Intel E8400 Core2Duo
    Corsair XMS2 CM2X2048-85005C5 1066MHz 2048MB 5-6-6-18 2.10V Ver 4.1 x2
    Gigabyte Radeon HD 2400 XT 256 Mb graphics card passively cooled GV-RX24T256HP
    Corsair 400W PSU, CMPSU-400CXUK
    Floppy drive
    Akasa USB memory card reader
    Hard drive and 2 optical drives are not conected to PSU though they are plugged into motherboard.

  7. #17
    Chike is offline Senior Member
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    Default Re: 8Gb memory & P35-DS3R(rev. 2.1) or P43-ES3G (Rev 1.0)

    If you don't mind running DDR-800 and it will prove to be stable then is OK, the thing is you can't run 1066 with only 4GB.
    It may be just compatibility issue with MB and the memory, but if there is a problem with the board you might want to RMA it.

    Memtest86+ alone is not enough, you will have to run some 8+ hours Prime95 blend torture to make sure everything is stable.

    BTW what memory voltage is reported in PC Health for the 8GB test?

  8. #18
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    Default Re: 8Gb memory & P35-DS3R(rev. 2.1) or P43-ES3G (Rev 1.0)

    With 8Gb memory & P35-DS3R(rev. 2.1) and RAM set to 400MHz (DDR800) PC Health reports DDR18V to be 1.904V.
    That's having just switched the system on.
    Memtest86+ has been running for almost 12 hours and is on to pass 7 with no errors at DDR-800.
    I'll try running Prime95 later today and report back.

    I think I'll just have to accept that _I_ can't get the system to run with the memory I've got at 533MHz. In future I will be more careful about matching memory and motherboard. In fact I didn't buy this memory for this board, it was intended for the P43-ES3G (Rev 1.0) and a work machine but circumstances changed and the memory became surplus to requirements.

    Many thanks for your help, hope you don't feel it's been a waste of time.

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