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Thread: GA-EP35-DS3 memory multiplier problem




  1. #1
    Join Date
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    Default GA-EP35-DS3 memory multiplier problem

    Hi i'm new on forum, i've come from Poland. I have a problem with my PC.
    My Config:

    Gigabyte GA-EP35-DS3 rev2.1 BIOS F2
    Pentium Dual Core E5200
    Kingston ValueRAM KIT DDR2 800 2x1GB (KVR800D2N5K2/2G)
    2x KVR800D2N5/1G module
    Fortron Blue Storm II 400W (FSP400-60GLN)
    ASUS EN9600GSO

    The problem is that i can only set my memory multiplier to 3.33 and 4.00. changing values to 3.20, 3.00, 2.50, 2.40 and 2.00 results double boot on the start of PC and reset mobo configuration, after cutting the power and connecting it again. Below are settings that not cause double boot:


    Robust Graphics Booster___________ [Auto]
    CPU Clock Ratio ____________ [12]
    Fine Clock Ratio ____________[0.5]
    CPU Host Clock Control_ [Enabled]
    CPU Host Frequency (MHz)__________ [260]
    PCI Express Frequency (Mhz)_______ [100]
    C.I.A. 2__________________________ [Disabled]
    System Memory Multiplier (SPD)____ [3.33]
    DRAM Timing Selectable_______ SPD __ [Manual]

    Performance Enhance = [Standard]

    CAS Latency Time________________ 5
    Dram RAS# to CAS# Delay_________ 5
    Dram RAS# Precharge Delay_______ 5
    Precharge Delay (tRAS)__________ 18

    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__ [+0.300V]
    PCI-E OverVoltage Control_ [Normal]
    FSB OverVoltage Control___ [Normal]
    (G)MCH OverVoltage Control [Normal]
    CPU Voltage Control_______ [1.25]

    Limit CPUID Max. to 3.....................: [Disabled]
    No-Execute Memory Protect............: [Enabled]
    CPU Enhanced Halt (C1E)................: [Enable]
    CPU Thermal Monitor 2(TM2) ...........: [Enabled]
    CPU EIST Function.........................: [Disabled]

    Integrated Peripherals
    Legacy USB Storage Detect___________________[Disabled]</pre>
    What can cause this double boot issue ? I've read that kingston memory is not supported for my mobo in dualchannel kit (KVR800D2N5K2/2G) but it's supported as a single module KVR800D2N5/1G that I have in this Kit.

  2. #2
    Chike is offline Senior Member
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    Default Re: GA-EP35-DS3 memory multiplier problem

    Last thing first, the fact your memory in not on the board support modules doesn't mean it does not support it, it just not been tested. No board manufacturer can qualify all the modules out there for every board.

    Note the lletters next to the multipliers, A, B, C, & D, each is designed for different MCH strap.
    You are currently between the 200 and the 333 strap so some C or B may be used and others not.
    You might have better luck if you have left timings on auto while you still making changes to FSB.

    Double or multiple reboots mean there's a problem with the settings and they should be changed, the BIOS then load some configuration that works, not what you see in the settings.

  3. #3
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    Default Re: GA-EP35-DS3 memory multiplier problem

    I know what's double boot mean's so which settings should I set for a start??
    One thing: when I'm between the 200 - 333 strap when I use the B or C it is same result.

  4. #4
    Chike is offline Senior Member
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    Default Re: GA-EP35-DS3 memory multiplier problem

    Quote Originally Posted by tomekggxx View Post
    I know what's double boot mean's so which settings should I set for a start??
    Those that are stable for you with the best memory performance.

  5. #5
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    Default Re: GA-EP35-DS3 memory multiplier problem

    But I want to OC my E5200 to 3.6GHz that I must use mem divider lower than 3.33

  6. #6
    Chike is offline Senior Member
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    Default Re: GA-EP35-DS3 memory multiplier problem

    For 3.6GHz you'll need more FSB.
    As I said what ever works stable for you. While you changing FSB speeds you better with timings set to auto. Even with 260x3.33 the memory is slightly oveclocked and it may cause problems if timings are too tight. You can tweak the timings once you done overclock the CPU.

    Please fill your signature with your system specs and the link to your ram specs it helps to keep track.

    Can you boot with higher FSB? With 333 you can do 3.5/3.66GHz (if the CPU can)

  7. #7
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    Default Re: GA-EP35-DS3 memory multiplier problem

    Signature is set. Can you see it ?? I know to achieve 3.6GHz I must raise the FSB, my tested FSB is working for 3.4GHz is 10x340MHz, so for 3.6GHz is analogic - 10x360 MHz FSB, but when I go lower with cpu multi it won't even boot. So the 10x cpu multi is the lowest multi i can set.
    Gigabyte GA-EP35-DS3 rev.2.1 BIOS F2
    Inte Pentium DC E5200 SLAY7 Malaysia
    ASUS GeForce 9600GSO 550/1600
    Kingston KVR800D2N5K2/2G
    Fortron Blue Storm II 400/400W

  8. #8
    Chike is offline Senior Member
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    Default Re: GA-EP35-DS3 memory multiplier problem

    Quote Originally Posted by tomekggxx View Post
    Signature is set. Can you see it ?? I know to achieve 3.6GHz I must raise the FSB, my tested FSB is working for 3.4GHz is 10x340MHz, so for 3.6GHz is analogic - 10x360 MHz FSB, but when I go lower with cpu multi it won't even boot. So the 10x cpu multi is the lowest multi i can set.
    Yea the sig is fine.
    With less than 10 multi you can't boot in all FSBs or just when you go over 360?

  9. #9
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    Default Re: GA-EP35-DS3 memory multiplier problem

    I can boot all multi's in less than 300 mhz FSB but to get 3.6GHz (now is my mistake) I must use 11x328 MHz FSB.
    Gigabyte GA-EP35-DS3 rev.2.1 BIOS F2
    Inte Pentium DC E5200 SLAY7 Malaysia
    ASUS GeForce 9600GSO 550/1600
    Kingston KVR800D2N5K2/2G
    Fortron Blue Storm II 400/400W

  10. #10
    Chike is offline Senior Member
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    Default Re: GA-EP35-DS3 memory multiplier problem

    There are quite many combination to get 3.6GHz with 12.5 multi. You sure it can overclock to 3.6GHz?

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