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Thread: GA-EP35-DS3L vcore problem after Standby




  1. #1
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    Default GA-EP35-DS3L vcore problem after Standby

    I am using this motherboard with E8400 and 2x1GB Crucial Ballistix Tracer PC2-6400 with the settings shown below. The BIOS version is F5. Thesystem works perfectly after booting up into Windows XP and passes Prime95 for 8 hours. Th vcore as reported in in CPU-Z and Speedfan is 1.23V. However, if I put the sysetm in S3 standby, the voltage reported by CPU_Z and Speedfan after coming out of standby is only 1.18V and the system fails Prime95 after a minute. I tried to bump up vcore a little more - did not help. I went back to stock settings - same result, except vcore resets to 1.12V except 1.18V. I tried it on 2 EP35-DS3L motherboards with the same result. Has anyone encountered this and what can I try to fix it? Thank you.


    Robust Graphics Booster___________ [Auto]
    CPU Clock Ratio ____________ [9]
    CPU Host Frequency (MHz)__________ [400]
    PCI Express Frequency (Mhz)_______ [100]
    System Memory Multiplier (SPD)____ [2.00]
    DRAM Timing Selectable_______ SPD __ [Manual]
    Performance Enhance = [Standard]

    CAS Latency Time________________ 4
    Dram RAS# to CAS# Delay_________ 4
    Dram RAS# Precharge Delay_______4
    Precharge Delay (tRAS)__________ 12
    ACT to ACT Delay (tRRD)_________ Auto
    Rank Write to READ Delay________ Auto
    Write to Precharge Delay_________ Auto
    Refresh to ACT Delay______________ Auto
    Read to Precharge Delay__________ Auto
    Static tRead Value_______________ Auto
    Static tRead Phase Adjust________ Auto

    System Voltage Control____ [Manual]
    DDR2 OverVoltage Control__ [+0.4V]
    PCI-E OverVoltage Control_ [Normal]
    FSB OverVoltage Control___ [Normal]
    (G)MCH OverVoltage Control [Normal]
    CPU Voltage Control_______ [1.275V]

  2. #2
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    Default Re: GA-EP35-DS3L vcore problem after Standby

    Maybe try F5C BIOS?
    I never tried F5 because I didn't even know it was available till now. Last time I looked it was only up to F4 and with F4 I couldn't raise VCore any higher than stock. But once I went to F5C I was able to raise it no problem.

    F5C download
    EP35-DS3L-F5c.zip
    GA-EP35-DS3L | Intel E2180 @ 3GHz | VisionTek 4850 685/1045 | 2x2GB DDR800 Super Talent | WD6400AAKS | Antec ea430W

  3. #3
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    Default Re: GA-EP35-DS3L vcore problem after Standby

    Tried F5c - same result. The only time vcore issues happens is afterStandby. After I reboot teh vcore goes back to the correct value.

  4. #4
    Lsdmeasap's Avatar
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    Default Re: GA-EP35-DS3L vcore problem after Standby

    2.2 is HOT on your ram, I suggest 2.1

    You likely need to add +.1-.15 MCH to help with this issue

  5. #5
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    Default Re: GA-EP35-DS3L vcore problem after Standby

    I ended up switching to GA-EP43-DS3L and the problem went away (with the same voltage settings I used on EP35)

  6. #6
    Lsdmeasap's Avatar
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    Default Re: GA-EP35-DS3L vcore problem after Standby

    Ahh, good to hear you have solved this... Kinda! HAHA

    Anyhow, Please for your ram's saftey use 2.1 as the voltage or you will soon need a RMA

  7. #7
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    Default Re: GA-EP35-DS3L vcore problem after Standby

    Thanks for your help. I tried running it at 2.1V, but it faild Memtest+ (test #4) with 4 sticks at that voltage but passes at 2.2V. Prime95 runs without errors, though at 2.1V. Would you recommend 2.1V eve though it failes Memtest+

  8. #8
    Lsdmeasap's Avatar
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    Default Re: GA-EP35-DS3L vcore problem after Standby

    Well yes, and no. 2.1 is likely for sure all your ram needs, but with the proper timings as well. If you dont want to mess with tweaking it for a while then I would suggest you use 2.2 and please do you ram a favor and put a fan over it.

    You will need a RMA soon for sure with 2.2, that is the MAX warrantied voltage, not what is needed to run stable.

    I would suggest this for 4x1GB >>>
    Performance Enhance = [Standard]

    CAS Latency Time________________ 4
    Dram RAS# to CAS# Delay_________ 4
    Dram RAS# Precharge Delay_______4
    Precharge Delay (tRAS)__________ 12

    Start with the higher settings, moving later ONE AT A TIME lower and test after each move

    ACT to ACT Delay (tRRD)_________ 3-4
    Rank Write to READ Delay________ 9-11
    Write to Precharge Delay_________ 3-5
    Refresh to ACT Delay______________ 42-52
    Read to Precharge Delay__________ 3-6
    Static tRead Value_______________ 7-10
    Static tRead Phase Adjust________ Auto << Leave ALWAYS

    System Voltage Control____ [Manual]
    DDR2 OverVoltage Control__ [+0.3V]
    PCI-E OverVoltage Control_ [Normal]
    FSB OverVoltage Control___ [+0.1V]
    (G)MCH OverVoltage Control [+0.1V - 0.15V]

  9. #9
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    Default Re: GA-EP35-DS3L vcore problem after Standby

    i got the same problem with GA-EP35C-DS3R
    i'm getting annoyed with this motherboard

  10. #10
    Lsdmeasap's Avatar
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    Default Re: GA-EP35-DS3L vcore problem after Standby

    Please list for me your Full specs and a link to your ram or the model # and then give me your settings and I may be able to help >>>

    Of course, also describe your issue a little bit more so I can be sure

    Please also let me know what BIOS you are using because S3 issues may have been corrected with a BIOS update since the original Post here

    This is Just a template I use to ask people their settings, pay no attention to the numbers in it, replace with yours

    Code:
    Robust Graphics Booster___________ [Auto]
    CPU Clock Ratio ____________ [8] 
    Fine Clock Ratio ____________[0.5]
    CPU Host Clock Control_ [Enabled]
    CPU Host Frequency (MHz)__________ [450] 
    PCI Express Frequency (Mhz)_______ [100]
    C.I.A. 2__________________________ [Disabled]
    System Memory Multiplier (SPD)____ [2.00]
    DRAM Timing Selectable_______ SPD __ [Manual]
    
    Performance Enhance = [Standard]
    
    CAS Latency Time________________ 
    Dram RAS# to CAS# Delay_________ 
    Dram RAS# Precharge Delay_______
    Precharge Delay (tRAS)__________ 
    
    ACT to ACT Delay (tRRD)_________ 
    Rank Write to READ Delay________ 
    Write to Precharge Delay_________ 
    Refresh to ACT Delay______________ 
    Read to Precharge Delay__________
    Static tRead Value_______________
    Static tRead Phase Adjust________ [Auto]
    
    System Voltage Control____ [Manual]
    DDR2 OverVoltage Control__ [+0.300V] 
    PCI-E OverVoltage Control_ [+0.1V] 
    FSB OverVoltage Control___ [+0.1V] 
    (G)MCH OverVoltage Control [+0.1V] 
    CPU Voltage Control_______ [1.25]
    
    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] Enabled if you use Vmware/Virtual PC
    
    Integrated Peripherals
    Legacy USB Storage Detect___________________[Disabled] *Note* Must be enabled to flash from USB

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