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Thread: Best Memory timings for X8x0 XT/PE -> HERE

  1. #1
    Worst overclocker evar!!
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    Best Memory timings for X8x0 XT/PE -> HERE

    tested all working values (ie ones that didn't cause artifacts) at stock speeds. These are the best I have found, with them i gain over 5 full frames per second in nature at the same clocks vs. stock timings.

    TRCDRD: 7
    TRCDWR: 3
    TRP: 5
    TRAS: 13
    TRRD: 4
    TWR: 6
    TR2W: CL+2
    TW2R: 4
    TR2R: USE TWR RULE
    TR2R: 2
    WR_LATENCY: 1.5
    CAS_LATENCY: 7
    CMD_LATENCY: 0
    STR_LATENCY: WR LATENCY
    REFRESH_RATE: 0x75
    TRFC: 23
    I used to have links here demonstrating how awesome I am, but it's been so long that they're not very relevant (and the pictures have disappeared), so I guess I'll have to get working on new stuff.

  2. #2

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    Thanks for this eshbach

    How do the best timing affect overall speeds? Did they lower your clocks at all?

  3. #3
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    my max benchable memory clock is unaffected but i do start to get artifacts earlier.
    I used to have links here demonstrating how awesome I am, but it's been so long that they're not very relevant (and the pictures have disappeared), so I guess I'll have to get working on new stuff.

  4. #4
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    stickied!
    great work ehsbach! thx a lot for sharing
    what are the best timings to reach the highest mem speed? maybe loose timings help to reach high enough speeds to make up for the worse latency again?

  5. #5
    Good results....5 frames accounted for.

  6. #6
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    Quote Originally Posted by saaya
    stickied!
    great work ehsbach! thx a lot for sharing
    what are the best timings to reach the highest mem speed? maybe loose timings help to reach high enough speeds to make up for the worse latency again?
    thanks!
    i will work on this next and post when i have the info.
    I used to have links here demonstrating how awesome I am, but it's been so long that they're not very relevant (and the pictures have disappeared), so I guess I'll have to get working on new stuff.

  7. #7
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    tested on my x850xt.

    i noticed a very good boost in low detail tests in 01, and a few in high detail. 10fps in nature.

    a+ settings!
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    yes i have AIM, yes you can send me a message. EvilSpork3 i dare you.

  8. #8
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    The settings gave me a big boost in nature and a bit in drag but I had to clock the memory down from 668 to 650 to be artifact free...
    Last edited by gocchin; 03-11-2005 at 10:36 AM.

  9. #9
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    Wow!
    How long did it take to figure this out?

    My nature vent from 258.8 to 265 on stock frequencies.

    GJ

  10. #10
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    Quote Originally Posted by Moonman
    Wow!
    How long did it take to figure this out?

    My nature vent from 258.8 to 265 on stock frequencies.

    GJ
    how is your nature so much higher than mine!

    im at only 255 stock with these timings. eshbach gets 263... what gives!
    Dell Studio XPS16... no desktop
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  11. #11
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    Quote Originally Posted by Evil_Spork
    how is your nature so much higher than mine!

    im at only 255 stock with these timings. eshbach gets 263... what gives!
    I have catalyst 5.1
    2.7Ghz cpu
    245 Mhz bh-5 mem

    Is that it?

  12. #12
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    Looks like a nice job , well done

  13. #13
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    Quote Originally Posted by Evil_Spork
    how is your nature so much higher than mine!

    im at only 255 stock with these timings. eshbach gets 263... what gives!
    actually 264.5 before timings and 269.6 after timings w/ stock 2ghz cpu and 200mhz ram.

    The settings gave me a big boost in nature and a bit in drag but I had to clock the memory down from 668 to 650 to be artifact free...
    Yes, it starts to artifact earlier, but if you wanted to you might still be able to bench at 668 without it crashing.
    I used to have links here demonstrating how awesome I am, but it's been so long that they're not very relevant (and the pictures have disappeared), so I guess I'll have to get working on new stuff.

  14. #14
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    Gave me a boost from 661 to 678 in drago low and 276 to 286 in nature (580/600MHz stock cooling and voltage, FX-55@3200MHz). These timings sky rocketed the temp of the memory and gave me artifacts as early as 605MHz. So I did a quick setup of active cooling and managed to match the default timings in max-oc.

    Good job there eshbach!

  15. #15
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    hm.that's a nice result for tweakering.
    What heatsink is good for oc and low temp for X800XL?
    ATI silencer 5? zalman any good, not the 80D-HD one.

  16. #16
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    Hmmm what program are you using to adjust the cards mem as ati tool 0023 or whatever the mem settings bit is corrupt??? this is with an x850xtpe
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  17. #17
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    Quote Originally Posted by fatty
    Hmmm what program are you using to adjust the cards mem as ati tool 0023 or whatever the mem settings bit is corrupt??? this is with an x850xtpe
    for X850 you'll need the .24 version.
    I used to have links here demonstrating how awesome I am, but it's been so long that they're not very relevant (and the pictures have disappeared), so I guess I'll have to get working on new stuff.

  18. #18
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    I'm getting corruption (straight after applying settings) on my Asus X800XT.

    And some of the "optimal" settings listed here seem to be increasing the latency (e.g. for some..value (original) 6 to (supposedly optimal)7)

    Does the Asus X800Xt have a different BIOS?

  19. #19
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    Quote Originally Posted by Xassius
    I'm getting corruption (straight after applying settings) on my Asus X800XT.

    And some of the "optimal" settings listed here seem to be increasing the latency (e.g. for some..value (original) 6 to (supposedly optimal)7)

    Does the Asus X800Xt have a different BIOS?
    Does you X800XT have 1.6ns or 2.0ns RAM?

    i think since XT RAM is rated at 500mhz it may have difficulty doing these timings.

    and based on my bios, only one timings goes up and it does actually boost performance setting it higher rather than lower.
    I used to have links here demonstrating how awesome I am, but it's been so long that they're not very relevant (and the pictures have disappeared), so I guess I'll have to get working on new stuff.

  20. #20
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    wow I wish I had an x850 to test this out! Hopefully soon!
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  21. #21
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    great tweaking. Is there any tool to tweaks geforce timings ?
    AMD 3500+, Geforce 6800LE@16/6 1.42v 459/955
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  22. #22
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    I'm curently running my x850xt pe @ stock settings. Will the stock cooler allow me to run those memory settings without artifacts? Or do I need some better cooling?


    Edit: I have tried the memory settings and they are kickass!

    Testrig:

    AMD Athlon 64 3500+ Newcastle (stock)
    DFI NF4 Ultra-D
    G.Skill PC4400Le @ 200mhz 2-2-2-7
    Sapphire X850XT Pe 540/590

    Before the memory tweaks:

    3dmark 2001se: 260**
    3dmark 2003: 132**
    3dmark 2005: 6332

    After the memory tweaks:

    3dmark 2001se: 262**
    3dmark 2003: 134**
    3dmark 2005: 6417

    Nice tweaks, but when I scanned for artifacts with Atitool I had artifact @ stock settings, so extra cooling is a must have.
    Last edited by Slimmie; 03-13-2005 at 11:47 AM.
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  23. #23
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    I tried the tweaks on 3d05 and only gained about 45 points... within the margin of error. but atleast you guys are getting good results

    btw is there anyway to make it so that ur computer boots with these settings?
    Attached Images Attached Images
    Last edited by MaxxxRacer; 03-14-2005 at 02:10 AM.

  24. #24
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    Quote Originally Posted by MaxxxRacer
    I tried the tweaks on 3d05 and only gained about 45 points... within the margin of error. but atleast you guys are getting good results

    btw is there anyway to make it so that ur computer boots with these settings?
    3d01 result?
    which card exactly and what bios?

    are you sure the timings applied correctly?
    I used to have links here demonstrating how awesome I am, but it's been so long that they're not very relevant (and the pictures have disappeared), so I guess I'll have to get working on new stuff.

  25. #25
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    Great performance leap !

    But... Damn its hard on the card..
    Tested at my "std" settings, the one I use normally... Reached 29960 marks i 01SE, and 288xx before, quiet a leap... But I wanted to test at my "bench" setup, couldnt even apply,... It seems my mem has to go 20 mhz down than topspeed, and then it doesnt pay - Got 200 marks less than without the tweaking - but hey - Just my card, great job mate

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