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Thread: A7N8X Mult. settings




  1. #11
    Join Date
    May 2003
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    I hear a lot of talk about the older A7N8X deluxe and the 2500+. I have three A7N8X deluxes with different BIOS revisions and have no problems with any of them. Although none of them are revision 2 boards I matched the latest one which came with the 1003 BIOS from the factory with the 2500+. I haven't updated the BIOS from 1003 because it works fine.

    I believe you need at least rev. 1002 or later to run the FSB at 200MHz and even then it's not guaranteed unless you have a revision 2 board but I've never heard of anyone having trouble with the older boards after flashing the BIOS.

    The 3000+ comes with a stock speed of 166MHz FSB (166x13=2158MHz), not 200MHz. This is why the 3200+ is faster because it is the only Athlon that runs at 200MHz from the factory. I suspect Soulburner was getting the 3000 confused with the 3200...typical P4 user!:p I run my 2500+ at 200x11 which is the default speed of the 3200+ and that's what it shows up as on my system. I have taken my 2500 as high as 210x11.5 giving me 2.4GHz with air cooling but I backed off to 200x11 for everyday use since all I really wanted was a cheap 3200+ :D

    homeworld1031tx: You have nearly an identical setup as mine. With that RAM you should be able to configure your system the same as mine but make sure you run a good aftermarket HSF to keep it cool. Since your mobo is a rev2 you have nothing to worry about.

    I benchmark over 5000 in 3DMark03 and 16,700 or so in '01 (highest was over 5500 and 17500) with a stock 9700Pro. Those numbers will beat 3.0GHz P4s on an 875 board running at stock speeds.
    ASUS A7N8X Deluxe, Athlon Barton 2500+ with SLK-800 and 4800rpm 80mm fan, ATi 9700Pro(AIW), Dual 256MB Corsair XMS 3200c. Seagate Barracuda SATA. 200MHz fsb with 11X multiplier, RAM latency: 2,2,2,5

  2. #12
    Join Date
    Jul 2003
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    418

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    I set my settings at auto, and optimal. It set it to 200x11. It seems to be running great from what I can tell.
    I don't know why you would run your pc3200 at 166 when it is rated at 400. Just curious.
    Mine has shown up as a 3200+ since day 1 and I have never tried to overclock it and won't since I have had enough trouble with it, if you have read my other thread on setting it up.

    Hope it all works out for you.

    Chez

  3. #13
    Join Date
    Dec 2001
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    320

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    i bring you http://homepage.ntlworld.com/michael.mcclay/ great site for any A7N8X needs make sure you know the rev of your board before you start to DL as it is important, and no its not my site

  4. #14
    Join Date
    Feb 2003
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    311

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    Quote Originally Posted by Chezman29

    I don't know why you would run your pc3200 at 166 when it is rated at 400. Just curious.

    Chez
    Well i run it at PC2700 DDR333 speeds becuase ive heard thats the best thing to do (keep it at the same clock as your FSB), but, ive also taken advantage off its slower speed. I have it running at realt 2T CAS Latency (2T-2-2-6), instaed of its rated 2T-3-3-6. So, im getting pretty good results. Although i think MJMNAM has his at DDR400, and is running the same latency as i am, and i think he has the same RAM as i do (3200C2). So it really isnt bad that im running it below its reated speed specs.
    <font color=orange>AMD Athlon XP 2500+ Barton (166*11=1883MHz) -|- Asus A7N8X Deluxe Rev2.0 -|- Corsair XMS PC3200 512 MB RAM 2T-3-3-6 @DDR333 -|- Leadtek A250 TD GF4 TI 4400 300/630 -|- 40 Gig Quntaum Fireball AP+ -|- 52x Samsung CD-ROM Drive -|- SB Live Digital 5.1 -|- Antec SG case w/350 Watt Power-Up PSU</font>

  5. #15
    Join Date
    May 2003
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    Quote Originally Posted by homeworld1031tx
    Well i run it at PC2700 DDR333 speeds becuase ive heard thats the best thing to do (keep it at the same clock as your FSB), but, ive also taken advantage off its slower speed. I have it running at realt 2T CAS Latency (2T-2-2-6), instaed of its rated 2T-3-3-6. So, im getting pretty good results. Although i think MJMNAM has his at DDR400, and is running the same latency as i am, and i think he has the same RAM as i do (3200C2). So it really isnt bad that im running it below its reated speed specs.
    Did you read my post? Look at my specs.

    I'm running the exact same RAM as you in sync at 200MHz FSB. My timings are even more aggressive than yours. I get about the maximum bandwidth possible with that RAM. If your RAM can't handle those numbers you should talk to Corsair about replacements but my guess is you haven't even tried.

    Right now you are running an underclocked system with a slightly overclocked CPU. Your RAM is underclocked, your mobo is underclocked. The only thing on your system that is running faster than design specs is that $80 CPU which is the cheapest component to replace. You would be better off running your FSB at 200MHz with a 9x multiplier to keep your CPU at stock core speed than your current configuration.

    Not that I'm pressuring you or anything :D :D How much you overclock your system is up to you but your RAM is clearly underclocked right now and you aren't even close to it's max capabilities.
    ASUS A7N8X Deluxe, Athlon Barton 2500+ with SLK-800 and 4800rpm 80mm fan, ATi 9700Pro(AIW), Dual 256MB Corsair XMS 3200c. Seagate Barracuda SATA. 200MHz fsb with 11X multiplier, RAM latency: 2,2,2,5

  6. #16
    Join Date
    Feb 2003
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    311

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    I see what your saying Woody, and i actually tried OCing the RAM with more agressive timings. If you check my sig right now it shows the RAM at DDR390 with the stock timings. But, at DDR400, i ran into stability issues with the RAM at 2T-2-2-6.The problem is, im not sure if my proc was cuasing those issues or my RAM becuase i have the stock AMD cooler on right now at 195*11(2145MHz/390FSB). So after i get the SLK700, which, hopefully, should be soon, it'll be clear that the RAM is causing the isssues becuase the CPU will be running to cool to be any trouble. Right now its running like 53 C in an open case under load. Ill try OCing the RAM and seeing how far i can get with a varitey off different timings. Also, i think in another thread you asked me if I had a TwinX or just a single stick. The answer is that it is a single 512 stick of Corsair CMX512-3200C2 2T-3-3-6. Ill post the resullts off the OCing in about an hour. Thanks for your help :cheers:
    <font color=orange>AMD Athlon XP 2500+ Barton (166*11=1883MHz) -|- Asus A7N8X Deluxe Rev2.0 -|- Corsair XMS PC3200 512 MB RAM 2T-3-3-6 @DDR333 -|- Leadtek A250 TD GF4 TI 4400 300/630 -|- 40 Gig Quntaum Fireball AP+ -|- 52x Samsung CD-ROM Drive -|- SB Live Digital 5.1 -|- Antec SG case w/350 Watt Power-Up PSU</font>

  7. #17
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    May 2003
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    Obviously it helps to have two sticks rather than one but that shouldn't affect your ability to clock the RAM. 400 is not overclocked. 400 is the speed that RAM is designed to run at. If it won't run at 400 you should call Corsair. One thing you didn't mention was the memory voltage. You should up the memory voltage to at least 2.8 from the stock 2.7. A Corsair rep actually told me to run my RAM at these settings saying that it was designed for it.

    I doupt very much your 2500+ would have any trouble running at 200 FSB. Make sure you try it with a lower multiplier like 9x to start. Your CPU temp should stay the same as before. If that works try upping the Vcore a little and then raising the multiplier.

    It is possible your CPU is just one bad one of the bunch.
    ASUS A7N8X Deluxe, Athlon Barton 2500+ with SLK-800 and 4800rpm 80mm fan, ATi 9700Pro(AIW), Dual 256MB Corsair XMS 3200c. Seagate Barracuda SATA. 200MHz fsb with 11X multiplier, RAM latency: 2,2,2,5

  8. #18
    Join Date
    Aug 2003
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    1,790

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    Woody, I hate to break this to you but...

    1. XP 3000+ was their first CPU to get a 200x2=400FSB

    2. You say you beat 3.0 P4s in 875 boards? Well, my P4 @ 3.0 in an 865 did 17,800 with no video or RAM overclock (100mhz core and 50mhz memory boost only got me a lousy 300 points).

    FX5900 - 3DMark2001 [20,566] - 3DMark2003 [7,281] - Aquamark3 [56,694]
    Ti4400 - 3DMark2001 [16,028]

  9. #19
    Join Date
    Jun 2003
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    Quote Originally Posted by Woody_87th
    One thing you didn't mention was the memory voltage. You should up the memory voltage to at least 2.8 from the stock 2.7. A Corsair rep actually told me to run my RAM at these settings saying that it was designed for it.
    do you have any documentation of this?
    rig changes too much
    dual boot: WinXP SP1, Mandrake 9.2

  10. #20
    Join Date
    Feb 2003
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    311

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    Quote Originally Posted by Woody_87th
    One thing you didn't mention was the memory voltage. You should up the memory voltage to at least 2.8 from the stock 2.7. A Corsair rep actually told me to run my RAM at these settings saying that it was designed for it.
    I was actually thinking about that yesterday when i was looking at my settings. It was at 2.7, which i set right from the start from 2.6 cuase my system was running abit unstable on any memory settings. So i put it at 2.8v and tryed a 2T-2-2-6 setting, and windows wouldn't start at DDR390. I'll try again at somethinkg like 2.8v/2T-2-3-6 maybe (will do later, need to go to school right now :devil win )
    <font color=orange>AMD Athlon XP 2500+ Barton (166*11=1883MHz) -|- Asus A7N8X Deluxe Rev2.0 -|- Corsair XMS PC3200 512 MB RAM 2T-3-3-6 @DDR333 -|- Leadtek A250 TD GF4 TI 4400 300/630 -|- 40 Gig Quntaum Fireball AP+ -|- 52x Samsung CD-ROM Drive -|- SB Live Digital 5.1 -|- Antec SG case w/350 Watt Power-Up PSU</font>

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