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Thread: HELP on overclock GIGABYTE-X48 DS5 to 3.4ghz (8.5 x 400FSB)




  1. #1
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    Exclamation HELP on overclock GIGABYTE-X48 DS5 to 3.4ghz (8.5 x 400FSB)

    Hi all~~im new here..i hav the Gigabyte X-48 DS5.
    i have updated the bios to the latest Version 7
    but im still beginner of overclocker..can somebody help me?

    __________________________________________________ ____
    Here is my rig setup
    GA-X48-DS5
    Q9550 step x8.5 (multiplier) at 400FSB running at 3.4ghz
    OCZ Vedentta2 Cooler
    PC PowerCooling 750w PSU (Anantech gold medal)
    Gigabyte HD 4870 (stock)
    2x2gb G.SKILL DDR2 PC-8800 1100mhz (vol:1.8v-1.9v as reference from the website)

    How should i overclock it by the setting below?

    Robust Graphics Booster___________ [Auto]
    CPU Clock Ratio ____________ [8]
    CPU Multiplier ______________ [0.5]
    CPU Host Clock Control_ [Enabled]
    CPU Host Frequency (MHz)__________ [400]
    PCI Express Frequency (Mhz)_______ [100]
    C.I.A. 2__________________________ [Disabled]
    System Memory Multiplier (SPD)____ ????
    DRAM Timing Selectable_______ SPD __ [Manual]

    Performance Enhance = [Standard]

    CAS Latency Time________________ 5 <----Follow the Ram
    Dram RAS# to CAS# Delay_________ 5 <----Follow the Ram
    Dram RAS# Precharge Delay_______ 5 <----Follow the Ram
    Precharge Delay (tRAS)__________ 15 <----Follow the Ram
    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________ ???

    System Voltage Control____ [Manual]
    DDR2 OverVoltage Control__ ???
    PCI-E OverVoltage Control_ ???
    FSB OverVoltage Control___ ???
    (G)MCH OverVoltage Control ???
    CPU Voltage Control_______ [1.20~1.25] <---POSSIBLE???<!-- / message --><!-- sig -->

    *The word in black color is the setting i'm going to use....
    *The words in red color, What should i set?

    LSD please provide your expert advise =)

  2. #2
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: HELP on overclock GIGABYTE-X48 DS5 to 3.4ghz (8.5 x 400FSB)

    Ahh ok, Thanks!

    This makes it much easier to help you. Have you looked at the 2 Guides I have pinned in this forum? If not please take some time and read them so you can better understand the BIOS.

    I would need to know what you want to try to overclock to if you want me to help with that. For now I will give you settings for the CPU Speed and Ram Speed you have in use now

    Robust Graphics Booster___________ [Auto]
    CPU Clock Ratio ____________ [8]
    CPU Multiplier ______________ [0.5]
    CPU Host Clock Control_ [Enabled]
    CPU Host Frequency (MHz)__________ [400]
    PCI Express Frequency (Mhz)_______ [100]
    C.I.A. 2__________________________ [Disabled]
    System Memory Multiplier (SPD)____ 2.66 (2.66 X 400FSB = 1066 Ram) << This is the Ram Speed, This X FSB = Ram Freq
    DRAM Timing Selectable_______ SPD __ [Manual]

    Performance Enhance = [Standard]

    CAS Latency Time________________ 5 <----Follow the Ram
    Dram RAS# to CAS# Delay_________ 5 <----Follow the Ram
    Dram RAS# Precharge Delay_______ 5 <----Follow the Ram
    Precharge Delay (tRAS)__________ 15 <----Follow the Ram

    The below are ranges, set to highest first! Then lower one at a time testing between each move for errors With Memtest86+

    ACT to ACT Delay (tRRD)_________3-4
    Rank Write to READ Delay________ 3-6 (9-11)
    Write to Precharge Delay_________3-6
    Refresh to ACT Delay______________ 48-50 (52-62)
    Read to Precharge Delay__________ 3-6
    Static tRead Value_______________7-10 (Most Impact on Ram Performance, Too low WILL HARD FAIL)
    Static tRead Phase Adjust________ 1-31 << Leave on AUTO or Zero or 1-31

    System Voltage Control____ [Manual]
    DDR2 OverVoltage Control__ << This is your ram Voltage (Default is 1.8v) So +0.1V = 1.9V
    PCI-E OverVoltage Control_ +0.1v << For stability
    FSB OverVoltage Control___ +0.1v << For stability
    (G)MCH OverVoltage Control This is your Northbridge, 2x2GB ram needs some added usually +0.1V, 0.125V, 0.15V, or 0.2V. I would say start at .15 and then try lower later

    CPU Voltage Control_______ [1.20~1.25] Yes, 45nm CPU's use very little volts at stock settings. And you may not need 1.3 or more until you pass 3.6 or so.

    I use only 1.32 on my 45Nm cpu at 4.2

  3. #3
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    Default Re: HELP on overclock GIGABYTE-X48 DS5 to 3.4ghz (8.5 x 400FSB)

    thanks for the reply`~~i have already read your two guide and i printed them out to do the bios setting later i get home :)

    thx for the setting, will set the bios 1st using ur thread, then folow by this setting...i jus want to oc to 3.4ghz only, with not much heat inccur...below 60c when LOAD. hope i can get through this...

    thx LSD =)

  4. #4
    Lsdmeasap's Avatar
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    Default Re: HELP on overclock GIGABYTE-X48 DS5 to 3.4ghz (8.5 x 400FSB)

    OK, Let me know if you need more help. Ill post you some 3.4 settings once you get up and running. Ya, I think your temps will be fine at 3.4

  5. #5
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    Default Re: HELP on overclock GIGABYTE-X48 DS5 to 3.4ghz (8.5 x 400FSB)

    Because of the time difference, its 1.05 pm here hehe...
    Im from Singapore and the CPU temp is 38c in the BIOS, room temp should be 25c-30c, the 38c should be ok right?
    will gonna try your setting to9 and will post you my result~ thanks :)

  6. #6
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    Default Re: HELP on overclock GIGABYTE-X48 DS5 to 3.4ghz (8.5 x 400FSB)

    Forgot to tell you that im running Vista -64bit, is there a problem?

    btw, i jus found out some of it i don understand..

    ACT to ACT Delay (tRRD)_________3-4
    Rank Write to READ Delay________ 3-6 (9-11) <---which i should use? 9-11??
    Write to Precharge Delay_________3-6
    Refresh to ACT Delay______________ 48-50 (52-62)<---which i should use? i should use 52-62 since i got 4gb ram rite =)

    Read to Precharge Delay__________ 3-6

  7. #7
    Lsdmeasap's Avatar
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    Default Re: HELP on overclock GIGABYTE-X48 DS5 to 3.4ghz (8.5 x 400FSB)

    Yes 38C is good temp

    Quote Originally Posted by ERiKoChAn View Post
    Forgot to tell you that im running Vista -64bit, is there a problem?

    btw, i jus found out some of it i don understand..

    ACT to ACT Delay (tRRD)_________3-4
    Rank Write to READ Delay________ 3-6 (9-11) <---which i should use? 9-11??
    Write to Precharge Delay_________3-6
    Refresh to ACT Delay______________ 48-50 (52-62)<---which i should use? i should use 52-62 since i got 4gb ram rite =)

    Read to Precharge Delay__________ 3-6
    No Vista 64 is no problems

    Use the higher ranges first. The lower ranges are for later after you get setup, then you can try to lower them to tweak them to the lower ranges

  8. #8
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    Default Re: HELP on overclock GIGABYTE-X48 DS5 to 3.4ghz (8.5 x 400FSB)

    i have try the setting...
    too bad the temp is 5X...
    when i press stress testing..
    it runs to 8X-9X..
    i dare not to cont animore... =.=

  9. #9
    Lsdmeasap's Avatar
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    Default Re: HELP on overclock GIGABYTE-X48 DS5 to 3.4ghz (8.5 x 400FSB)

    That hot at only 3.2GHz?

    If so you should really check or redo your heatsink, I dont even think the stock one should be that hot at idle or load at only 3.2

  10. #10
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    Default Re: HELP on overclock GIGABYTE-X48 DS5 to 3.4ghz (8.5 x 400FSB)

    u got it right!
    its so weird...
    when i put my fan face rear of the casing (<---CPU) the temp is so high
    when i replace it, i put the fan of the cpu cooler to the front of the case, the temp bcome normal...
    i think i din put them well at 1st~
    now im at 3.2ghz, 45c.....
    i dare not go 3.4ghz... =X

    which u think is better

    CPU fan face to rear panel, the rear panel fan will draw the air out
    or
    cpu fan face the front panel, the front panel got litle holes can let the air out

    (i have fan at the bottom of the front case and big fan at side panel and my case got holes on top...which setup for heatsink is better?)

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