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  1. #1951
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    Quote Originally Posted by Spyrus View Post
    Why set tRef to that of the proposed and not 16383T which gives the most bandwidth (only with 0308 bios and earlier though)?
    You can try higher values. It is possible that it works and that your memory runs stable like that to but following JEDEC specs can never be wrong.

  2. #1952
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    Quote Originally Posted by A-Grey View Post
    You can find my BIOS 0803 settings on the ASUS Rampage Formula Forum.
    Thanx for the settings they work great with me here!!

  3. #1953
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    Quote Originally Posted by A-Grey View Post
    It's close it should be 4470T.

    (7.8 x 1000) / (1000/573)=4469.4
    or
    (7800) / (1.7452)=4469.4 -> 4470T

    Use BAR_Edit V3.0 and change the registers to CF117600. When you have done it right you should see 4470T as tREF in MemSet V4.0 or EVEREST Ultimate Edition.
    Thanks, also how are you deriving the values for the various numbers? I would just be interested in trying different things maybe

    Also is there any benefit to updating the Intel Matrix Storage option in the BIOS?

  4. #1954
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    Quote Originally Posted by ChaosMinionX View Post
    Thanks, also how are you deriving the values for the various numbers? I would just be interested in trying different things maybe

    Also is there any benefit to updating the Intel Matrix Storage option in the BIOS?
    you convert tref number it to hex then sum c000 to it and replace what is bold with what you got in "CF117600".


    for example:

    4500T = 1194h

    1194h + C000h = D194h

    so you get CFD19400

    actualy, CF117600 shouldnt get you tref of 4470T at all, dunno i never tryed direct values, i did according to this POST, that gives you formula that i wrote above.
    Last edited by SoLoR; 03-06-2009 at 01:47 AM.

  5. #1955
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    Quote Originally Posted by SoLoR View Post
    you convert tref number it to hex then sum c000 to it and replace what is bold with what you got in "CF117600".


    for example:

    4500T = 1194h

    1194h + C000h = D194h

    so you get CFD19400

    actualy, CF117600 shouldnt get you tref of 4470T at all, dunno i never tryed direct values, i did according to this POST, that gives you formula that i wrote above.
    Thanks alot

  6. #1956
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    Quote Originally Posted by SoLoR View Post
    actualy, CF117600 shouldnt get you tref of 4470T at all, dunno i never tryed direct values, i did according to this POST, that gives you formula that i wrote above.
    It works I tried it.

    For tREF 4360T Decimal 4360 -> Hexadecimal 1108

    CFCC3000 -> CF110800 that gives me 4360T.

    Decimal to Hexadecimal converter
    Last edited by Alien Grey; 03-06-2009 at 06:06 AM.

  7. #1957
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    Quote Originally Posted by Spyrus View Post
    tRTP with this bios is wrong (0803) it is set to 5 although in bios it is 3 (Read to PRE time).
    I think it is wrong a long time ago ...
    Did anyone noticed that?
    Yes, I did noticed that.

  8. #1958
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    Could one of you mathematical geniuses calculate this for me:

    7800* 1000/478 (2.092) = 16318

    Hex=3FBE + C000h

    =?

  9. #1959
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    Quote Originally Posted by Zucker2k View Post
    Could one of you mathematical geniuses calculate this for me:

    7800* 1000/478 (2.092) = 16318

    Hex=3FBE + C000h

    =?
    You don't have to add anything. I you want 16318T use CF3FBE00.
    When you verify this with MemSet V4.0 or EVEREST Ultimate Edition you will see that tREF is now 16318T.

  10. #1960
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    Quote Originally Posted by A-Grey View Post
    You don't have to add anything. I you want 16318T use CF3FBE00.
    When you verify this with MemSet V4.0 or EVEREST Ultimate Edition you will see that tREF is now 16318T.
    Thanks; looks goodso far, working to stay on CAS 4 for as much as I could without too much vdimm for 24/7.
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  11. #1961
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    Quote Originally Posted by Zucker2k View Post
    Thanks; looks goodso far, working to stay on CAS 4 for as much as I could without too much vdimm for 24/7.
    Nice.

  12. #1962
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    Quote Originally Posted by A-Grey View Post
    Nice.
    Yeah, pity I can't run 500 FSB 4-4-4-12 with these sticks, I'm still quite happy with them tho; all 8GBs for $100.
    It's a balancing act, higher divider = lower tref. I'm loving the 1:1. Off to do a quick stability check/tweaking. Thanks, once again.

  13. #1963
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    Just wanted to thank you A-Grey for all your help in this forum! I havn't posted much but I've definately been keeping up with it and using the information posted to really push my system! Thanks for all the hard work, keep pushing it!
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  14. #1964
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    I don't know what JEDEC specs are with regard to the highest point for TREF (16383), but with 1:1 scaling, this highpoint is reached at 475/6 FSB. The hex code is 3FFF so to do the change, all one has to do is, using bar edit:

    Edit lines:

    FED14260, 08 Column to CF3FFF00

    FED14660, 08 Column to CF3FFF00

    Done. Thanks, Mike and A-Grey for the help.
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    Last edited by Zucker2k; 03-06-2009 at 10:46 AM.

  15. #1965
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    My current clocks as of last night

    I will post BIOS settings up if someone is curious

    EDIT: BIOS SETTINGS!

    ASUS Rampage Formula BIOS 0803 Template

    *Extreme Tweaker*
    Ai Overclock Tuner [Manual]
    CPU Ratio Setting [08.5]
    FSB Strap to North Bridge [333Mhz]
    FSB Frequency [475]
    PCIE Frequency [100]

    DRAM Frequency [DDR2-1140MHz]
    DRAM Command Rate [2N]
    DRAM CMD Skew on Channal A [Greyed Out]
    DRAM CMD Skew on Channal B [Greyed Out]
    DRAM CLK Skew on Channal A [Delay 200ps]
    DRAM CLK Skew on Channal B [Delay 200ps]

    DRAM Timing Control [Manual]
    1st Information
    CAS# Latency [5]
    RAS# to CAS# Delay [5]
    RAS# PRE Time [5]
    RAS# ACT Time [15]
    RAS# to RAS# Delay [3]
    REF Cycle Time [65]
    WRITE Recovery Time [6]
    READ to PRE Time [3]
    2nd Information
    READ to WRITE Delay (S/D) [8]
    WRITE to READ Delay (S) [3]
    WRITE to READ Delay (D) [5]
    READ to READ Delay (S) [4]
    READ to READ Delay (D) [6]
    WRITE to WRITE Delay (S) [4]
    WRITE to WRITE Dealy (D) [6]
    3rd Information
    WRITE to PRE Delay [14]
    READ to PRE Delay [5]
    PRE to PRE Delay [1]
    ALL PRE to ACT Delay [6]
    ALL PRE to REF Delay [6]

    DRAM Static Read Control [Enabled]
    Ai Clock Twister [STRONGER]
    Ai Transation Booster [Manual]
    Common Performance Booster [7]

    Pull-In of CHA PH1 [Disabled]
    Pull-In of CHA PH2 [Disabled]
    Pull-In of CHA PH3 [Disabled]
    Pull-In of CHA PH4 [Disabled]
    Pull-In of CHA PH5 [Disabled]
    Pull-In of CHA PH6 [Disabled]
    Pull-In of CHB PH1 [Disabled]
    Pull-In of CHB PH2 [Disabled]
    Pull-In of CHB PH3 [Disabled]
    Pull-In of CHB PH4 [Disabled]
    Pull-In of CHB PH5 [Disabled]
    Pull-In of CHB PH6 [Disabled]

    CPU Voltage [1.2750]
    CPU PLL Voltage [1.50]
    North Bridge Voltage [1.55]
    DRAM Voltage [2.00]
    FSB Termination Voltage [1.30]
    South Bridge Voltage [1.05]
    SB 1,5V Voltage [1.50]
    Loadline Calibration [Enabled]
    CPU GTL Voltage Reference [0.63x]
    NB GTL Voltage Reference [0.67x]
    DRAM Controller Voltage REF [AUTO]
    DRAM Channel A Voltage REF [AUTO]
    DRAM Channel B Voltage REF [AUTO]

    CPU LED Selection [CPU Voltage]
    NB LED Selection [North Bridge Voltage]
    SB LED Selection [South Bridge Voltage]
    Voltiminder LED [DISABLED]

    CPU Spread Spectrum [Disabled]
    PCIE Spred Spectrum [Disabled]
    CPU Clock Skew [Delay 100ps]
    NB Clock Skew [Normal]


    *Advanced settings*
    CPU Ratio Setting [08.5]
    C1E Support [Disabled]
    CPU TM Function [AUTO]
    Vanderpool Technology [Disabled]
    Execute Disable Bit [Enabled]
    Max CPUID Value Limit [Disabled]
    Intel(R) SpeedStep (TM) Tech. [Disabled]
    Last edited by ChaosMinionX; 03-06-2009 at 09:08 PM.

  16. #1966
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    How do you clr CMOS on this motherboard?

    In the manual, it says to press on the CLR CMOS switch at the rear panel while the system is running?

    isn't the correct way, is to shutdown first the computer and then press on this switch?

  17. #1967
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    Ummm yeah, completly power down, then press the clr cmos button....
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  18. #1968
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    How to run a PL of 6?

    Hi folks!
    This is my first post on XS. I´m happy that the administrator jupiler solved my problem to activate an account, so I am able to play here in an "upper class team".

    Hopefully somebody can answere my question:
    I´m planing to buy the G.SKill DDR2-RAM PI 4GB Kit DDR2 PC2-9600 (F2-9600CL5D-4GBPI) CL5 to run a PL of 6.
    My math calculation for this is:
    [tRD- (tCL/N)]>[x/N]. tCL=5, N=memory divider 4:3 at a FSB of 450 MHz, X=2.

    Given is [6- {5/(4/3)}]=2,25 that should be greater than [x/(4/3)]=1,5.
    The calculation is correct because 2,25>1,5
    That means, the PL 6 should run on my system in future.

    So far the caculations. But the 0803 bios doesn´t calculate the tREFS correct. No matter what the memory divider is, I always receive 3120T, when it supposed to be 4680T (7800/ (1000/600). I could change it by using memset. But that´s not the point.
    I expect the bios to set the tRFEs correct. Does anybody know, when the asus bios programmers will fix this bug?
    Will my system get unstable, when I am running it with wrong tRFES?
    I think the wrong tREFS calculation is not a problem of it´s one. It reaches the stability of our systems, wouldn´t it?
    Last edited by Fritz_the_germ; 03-08-2009 at 06:23 AM.
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  19. #1969
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    Quote Originally Posted by Fritz_the_germ View Post
    Hi folks!
    This is my first post on XS. I´m happy that the administrator jupiler solved my problem to activate an account, so I am able to play here in an "upper class team".

    Hopefully somebody can answere my question:
    I´m planing to buy the G.SKill DDR2-RAM PI 4GB Kit DDR2 PC2-9600 (F2-9600CL5D-4GBPI) CL5 to run a PL of 6.
    My math calculation for this is:
    [tRD- (tCL/N)]>[x/N]. tCL=5, N=memory divider 4:3 at a FSB of 450 MHz, X=2.

    Given is [6- {5/(4/3)}]=2,25 that should be greater than [x/(4/3)]=1,5.
    The calculation is correct because 2,25>1,5
    That means, the PL 6 should run on my system in future.

    So far the caculations. But the 0803 bios doesn´t calculate the tREFS correct. No matter what the memory divider is, I always receive 3120T, when it supposed to be 4680T (7800/ (1000/600). I could change it by using memset. But that´s not the point.
    I expect the bios to set the tRFEs correct. Does anybody know, when the asus bios programmers fix this bug?
    Will my system get unstable, when I am running it with wrong tRFES?
    I think the wrong tREFS calculation is not a problem of it´s one. It reaches the stability of our systems, wouldn´t it?
    PL 6 isn't a problem with the 2 X 2 Giga G.SKILL PC2-9600. I did some testing before sending the memory back for RMA.
    I tested the good stick with 8 X 450MHz, DRAM 1200MHz 1.8V in the BIOS (1.82V real), PL 6 Ai Clock Twister Moderate, NB 1.33V in the BIOS (1.31V real). I could pass MemTest86+ V2.11 without errors with these settings.

    When are the ASUS BIOS programmers going to fix tREF problem in the BIOS?

    I have no idea. They aren't in a hurry to fix that. They probably won't fix it at all.

  20. #1970
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    Hey guys - been out of action for quite some time now. Been backtracking and reading back because I've lost all my settings for my QX9650 (d'oh!) for 4.3-4.5Ghz

    Originally I had stock watercooling and bugged out ~435FSB with BIOS 0308. Since changing my RAM and cooling though, I seem to have unlocked further FSB - nearly 500! (hurray!)

    Anyways, I don't see many posts with the QX9650 - so what's the best BIOS for this chip now? I'm guessing there's been some changes, but back then 0308 was best for memory - don't know if there's much better now?

    Hoping to do ~480FSB*9, maybe even 500FSB if it's possible on water? Got over 2x as much cooling power than I did last time where temps maxxed out around 70c

    ~Bex
    PROJECT :: The Xtreme (WET) Dream!!!

    PERSONAL H2O BESTS :
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  21. #1971
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    Could anybody post the BIOS settings for BIOS 803 with OCed Q6600 ?
    Core i7 920 @4.25 with Noctua NH-D14
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  22. #1972
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    RCG_Bex has an interesting question.
    As long as I am using this board, I remember the 0308 bios was the best for my system at all. I squeezed out 1,186 mhz with my OCZ 8500. Only the voltage of 2.31v was too much english for the 24/7 use. So I decided to give up and being satisfied with 1,080 mhz.
    The 0308 bios calculated the tREFs at 16,383T which was good for the memory stability.

    @A-Grey,
    makes it any difference, if I´ll use the blue or the white memory sluts for the G.Skills 9600 ?
    Some people say the blue ones are better
    Last edited by Fritz_the_germ; 03-08-2009 at 06:46 AM.
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  23. #1973
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    Yeah Adata Extreme 1200's + BIOS 0308 = 1400MHz Stable! :P

    I use the white 1s, I always hear how they're meant to be "better" - but no complaints my side on this so......

    ~Bex
    PROJECT :: The Xtreme (WET) Dream!!!

    PERSONAL H2O BESTS :
    E8600 @ 4.8GHz
    E6750 @ 4GHz QX9650 @ 4.6GHz
    i7 920 @ 4.6GHz

    PERSONAL AIR BESTS :
    Sempron140 @ 4Ghz (Stock Cooler)
    i7 3960x @ 5.4ghz (Air Cooler)

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  24. #1974
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    Quote Originally Posted by Fritz_the_germ View Post
    RCG_Bex has an interesting question.
    As long as I am using this board, I remember the 0308 bios was the best for my system at all. I squeezed out 1,186 mhz with my OCZ 8500. Only the voltage of 2.31v was too much english for the 24/7 use. So I decided to give up and being satisfied with 1,080 mhz.
    The 0308 bios calculated the tREFs at 16,383T which was good for the memory stability.
    If you want 16383T use MemSet V4.0, save the setting and let it load that timing on system boot.

    Quote Originally Posted by Fritz_the_germ View Post
    @A-Grey,
    makes it any difference, if I´ll use the blue or the white memory sluts for the G.Skills 9600 ?
    Some people say the blue ones are better
    Why do they say that? It's probably the DRAM Clock Fine Delays that makes them say that the blue slots are better.
    With DRAM CLK Skew on Channel A/B on Auto you get 4-2-4-2. My OCZ Reapers HPC PC2-8500 like DRAM Clock Fine Delay 4T. Using slots 2 and 4 with DRAM Clock Fine Delay 2T is probably going to give me problems to run my memory at 1117MHz. I could say that slots 1 and 3 are better than 2 and 4. That's ridiculous because all I have to do is set the right DRAM CLK Skews for the slots that I'm going to use.

    To answer your question. Once I get those G.SKILL PC2-9600 back from RMA I'm going to use slots 1 and 3 and leave DRAM CLK Skew on Channel A/B on Auto.
    Last edited by Alien Grey; 03-08-2009 at 07:17 AM.

  25. #1975
    Xtreme X.I.P. Fritz_the_germ's Avatar
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    Thanks for your reply.
    O.K. I will give the G-Skills 9600 a try.
    I questioned for "the right memory sluts" because one stick wouldn´t fit with their headspreder under my Thermalright IFX-14. It does not seem to be a question of the right sluts but of the right DRAM Clock Skew settings.

    Another quest to MemSet V4.0. Do I get you right, that one time save setting plus load will change the tREFs after the next system boot and so on ?
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