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Thread: New Memory Tweaker for Intel Chipsets

  1. #26
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    For information:
    -Read delay usually settings is 3 or 4 for ddr,4 or 5 for ddr2 400/533 5 or higher for other ddr2.
    (Read delay is a timing between memory chip and processor)
    -Refresh cycle time usually settings are ~14 for ddr, ~20 for ddr2 400,25 and higher for other ddr2.
    -Page close idle Timer is setting at 8 on 915 chipset,8 on 925 chipset if pat disabled,
    and 3 or 4 if pat enabled.3 for other chipsets.
    -Other values is calculed with specifications of your memory spd.
    For example,Write Precharge = Cas - 1 +BL/2 + tWR.

    BL(Burst Lenght) practically always 8.
    tWR(Write recovery time) is 3 for ddr or ddr2/400 and 4 for ddr2/533.

    If your have ddr2/533 and your Cas latency is 4,Write Precharge = 4 - 1 + (8/4) + 4 = 11.
    ______________________________
    On 865/875 chipset Read delay adjust = -0,5.
    Example,if your Read delay is 6 and Read delay ajust is Enabled, Read delay=5,5.
    Last edited by FELIX; 03-11-2006 at 02:43 PM.

  2. #27
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    It works on P4C800-E.
    Asus P4C800ED P-M 730@2.8 7700Cu
    2X1GB OCZ - ATI X800XT AIW - OCZ PS 520W

  3. #28
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    NoX: Post#27 Confirmed!!! heh

  4. #29
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    Below a good soft for quickly testing your memory performance:

    http://www.x86-secret.com/Download/mbench.zip

    Simple,fast and accurate.

  5. #30
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    good one....just in time for some p4 loving......there's going to be a fair few AMD guys trying out Intel platforms.....just one more tool that makes us even more welcome
    Last edited by dinos22; 03-11-2006 at 11:56 PM.
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  6. #31
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    wery nice. we need that

  7. #32
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    @FELIX:
    Nice work, could you perhaps edit the program interface so that it shows acronyms (short names) of the parameters like this?

    RAS to CAS Delay (tRCD)

    etc, because it would be easier to understand (most people know the parameter names from BIOS).

    Also:
    1. Why 945 chipset doesn't show command rate option?
    2. Which one of the options is the Write Recovery Time (I have that in P5LD2 BIOS)? I believe that value is missing because in BIOS it is set to like 4-5 and I am not seeing anything similar here:

  8. #33
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    independent timings for each chanel? that's cool!

    i5 3570K@ 4.8GHz 1.32v, 32GB Gskill 1866, Gigabyte g1 sniper m3
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    1TB F1+2*128GB Crucial M4
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  9. #34
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    What are best latencies for my Twinmoss 512MB pc5300 sticks? Chips say Elpida but cpuz and everest say that these are Infineon chips. Now I'm at 274MHz and cas4-4-4-10 latencies, can these handle 4-3-3-10?
    [i5 2500K, ASrock extreme3 gen3, Corsair Vengeance LP 8GB 1600MHz, Palit GTX570 Sonic Platinum, CM HAF932, Antec Truepower New 650w]

  10. #35
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    Quote Originally Posted by Nazu
    What are best latencies for my Twinmoss 512MB pc5300 sticks? Chips say Elpida but cpuz and everest say that these are Infineon chips. Now I'm at 274MHz and cas4-4-4-10 latencies, can these handle 4-3-3-10?
    Nazu, this should be the thread for eventual bug reports and requests for new features, not tech support for your own memory sticks.

    You should start a new thread with such questions, not to mention that you can try yourself to set it at 4-3-3-10 and run some stability tests instead of asking.

    Even if someone here has identical sticks to yours they may behave different in another system due to slight variations in voltages/timings/frequencies.

  11. #36
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    Okay maybe I will do my own thread for this If I change the latencies of my memory and it doesn't work, does it reset the changes so it will boot again with my previous settings?
    [i5 2500K, ASrock extreme3 gen3, Corsair Vengeance LP 8GB 1600MHz, Palit GTX570 Sonic Platinum, CM HAF932, Antec Truepower New 650w]

  12. #37
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    with the lowerest timings I can set...
    I saw some changes... but...totally performance down
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  13. #38
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    [QUOTE=IntelInside]@FELIX:
    Nice work, could you perhaps edit the program interface so that it shows acronyms (short names) of the parameters like this?

    RAS to CAS Delay (tRCD)

    etc, because it would be easier to understand (most people know the parameter names from BIOS).

    Also:
    1. Why 945 chipset doesn't show command rate option?
    2. Which one of the options is the Write Recovery Time (I have that in P5LD2 BIOS)? I believe that value is missing because in BIOS it is set to like 4-5 .



    For tRCD, tRP... I do that on the next version.
    1: I don't find the option "command rate" in datasheet.
    2:For "Write recovery"I send you a private message.

  14. #39
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    Tell me If You have a particular option in your bios,and i try to add it in the tweaker if I can to do that.

  15. #40
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    For I865 I have memory acceleration... I can set it at enabled or auto... Maybe you can put this in? So it's easier to test what is faster.
    Asus P5B-deluxe | E4300@3200mhz | 2x1024MB 400Mhz 4-4-4-12| Asus X1950Pro |

  16. #41
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    I know this option,but not possible to add it in the tweaker.

  17. #42
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    Quote Originally Posted by FELIX
    I know this option,but not possible to add it in the tweaker.

    hi FELIX, would you plz add drivers for 945GM/GT for Yonah?
    especially the chipset used by Laptop
    Uni Hardware:
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  18. #43
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    I'm not sure that all the settings are the same...
    I have to check that before eventually update.

  19. #44
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    Quote Originally Posted by FELIX
    For information:
    -Read delay usually settings is 3 or 4 for ddr,4 or 5 for ddr2 400/533 5 or higher for other ddr2.
    (Read delay is a timing between memory chip and processor)
    -Refresh cycle time usually settings are ~14 for ddr, ~20 for ddr2 400,25 and higher for other ddr2.
    -Page close idle Timer is setting at 8 on 915 chipset,8 on 925 chipset if pat disabled,
    and 3 or 4 if pat enabled.3 for other chipsets.
    -Other values is calculed with specifications of your memory spd.
    For example,Write Precharge = Cas - 1 +BL/2 + tWR.

    BL(Burst Lenght) practically always 8.
    tWR(Write recovery time) is 3 for ddr or ddr2/400 and 4 for ddr2/533.

    If your have ddr2/533 and your Cas latency is 4,Write Precharge = 4 - 1 + (8/4) + 4 = 11.
    ______________________________
    On 865/875 chipset Read delay adjust = -0,5.
    Example,if your Read delay is 6 and Read delay ajust is Enabled, Read delay=5,5.
    Can you give me some examples for Corsiar TWIN2X2048-6400PRO using 975 chipset, p5wd2-e premium please.
    300FSB @ Dram Frequency 900
    2.1V
    I have no numbers for write to precharge delay as well.

    Last edited by Eastcoasthandle; 03-12-2006 at 12:11 PM.
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  20. #45
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    Testing on 865PE

    edit works fine on P4P800 SE
    Last edited by SoulGG; 03-12-2006 at 04:20 PM.

  21. #46
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    Quote Originally Posted by Eastcoasthandle
    Can you give me some examples for Corsiar TWIN2X2048-6400PRO using 975 chipset, p5wd2-e premium please.
    300FSB @ Dram Frequency 900
    2.1V
    I have no numbers for write to precharge delay as well.


    I send you a private message.

  22. #47
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    Cool Great :-)

    Hi Felix
    Thanks for sharing this tweaker with us I can also confirm it works on the P4P800-SE, which is an i865PE based mainboard. There are a lot of tweaks I'm not sure about, but I am learning
    The only problems I have with your utility is that Performance Mode does not enable when the FSB is over 200Mhz (It is only partially enabled). and the Performance Mode does not enable when I use memory dividers. Apart from that, it is very good
    Keep up the good work my friend.

  23. #48
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    Quote Originally Posted by Nazu
    Okay maybe I will do my own thread for this If I change the latencies of my memory and it doesn't work, does it reset the changes so it will boot again with my previous settings?
    Settings go to the chipset registers and if you reboot they are lost. Program is not meant for permanent changes -- just for easy testing and finding out your own stable minimum which you later set in BIOS in case of standard timings. Extended (hidden) timings cannot be changed from BIOS so for those you will have to run program and apply settings each time you boot.

    Quote Originally Posted by VictorWang
    with the lowerest timings I can set...
    I saw some changes... but...totally performance down
    You have ECC memory -- that probably means that any errors resulting from the settings that are too sharp result in loss of performance due to error correction mechanisms kicking in. Try to tweak timings gradually to find exactly where you are starting to lose performance.

    Quote Originally Posted by FELIX
    For tRCD, tRP... I do that on the next version.
    Thanks.

    Quote Originally Posted by FELIX
    1: I don't find the option "command rate" in datasheet.
    Well, there must be one, right? You know like 1T, 2T? Sisoft Sandra reads it when you perform memory bandwidth benchmark and it is displayed along with the results.

    Quote Originally Posted by FELIX
    2:For "Write recovery"I send you a private message.
    No problem. I will do what you asked. Could you check if it is possible to adjust dividers?

  24. #49
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    Intel Inside->Thank you for your post,I not always find the time to answer
    at the questions..
    Possible to adjust dividers in the flight to CPU/DDR?
    It's not possible.

    For Write recovery time and Command rate,impossible to find it in the MCHBAR.
    Is someone know where it's hide...
    But it's possible to add "Read precharge" and "burst length",perhaps in the next version.
    On the other hand,I don't sure that options "Read/Write" and "Write/Read"
    are very useful.
    Your opinion?

  25. #50
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    Can someone post the best possible timings for the I865 chipset? So I can test if they work for me Thnx in advance!
    Asus P5B-deluxe | E4300@3200mhz | 2x1024MB 400Mhz 4-4-4-12| Asus X1950Pro |

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