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| AMD CPU/Motherboard OC Questions, info, results for AMD CPU overclocking. |
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| | #1 (permalink) | |
| i don't know if i missed this in the forum but where do i find the settings i.e. fsb, multiplier, etc. i'm an overclocking noob so this is a stupid question just remeber that i have no idea Any help would be greatly appreciated. Thanx ![]() | ||
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| | #4 (permalink) | |
| You find those settings in your motherboard BIOS. If you don't know where to find the settings... You probably shouldn't mess with overclocking yet. Look for a guide and read some. Reading your motherboard manual is a good idea, since it shows you every BIOS option, and what each option does. It helps a lot when I got to fool around with a new motherboard . | ||
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| | #5 (permalink) | |
| heh yah he might be here shortly , i sent him a IM so we'll see what he comes up with anyways its very nice to see others taking an interest in overclocking! just remember that if you are going to be overclocking then you are going to need something decent for cooling....might i inquire as to what you have now for a HSF? and do you possibly plan to upgrade the HSF to something else later on and if so then what do you have in mind? ZALMAN is a relativly good product and the way that the fins are designed helps with airflow over the motherboard as well!anyways thats just my 0.02 Damn you $SOLID$ you got me hooked on this stuff now ![]() | ||
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| | #6 (permalink) | |
| Like Oberon, I believe those options are in the Cell Menu of the BIOS on the MSI boards. Just remember to up your setting in small amounts then test for stability and heat issues. However, if you are new to overclocking, MSI makes a pretty decent program within Windows you can use to overclock. It's called CoreCell, and you can use it to adjust all sorts of things while keeping an eye on your temps. It's not a great program, but it works, and it's alot safer to use if you are new. I prefer to use the BIOS myself, but I've overclocked alot. Good luck to you. | ||
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| | #7 (permalink) | |
| i know that the settings are in the bios turbopsi and a new hsf probably the CNPS7000B-Cu LED will be added to my rig shortly its just mainly i had a look at the settings and i wasnt sure what i should be stuffing around with and what not to be Last edited by greekplaya; 17-March-05 at 05:26 PM.. | ||
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| | #8 (permalink) | |
| Have you had a chance to look at my AMD-64 Perf Guide? http://forums.pcapex.com/showthread.php?t=38227 The short version is you will need to raise voltage to the CPU, Memory, and NB. You will also need to adjust memory timings and the LDT ratio. With a 754 3200+ I used something like this on my DFI LP (FSB) 250x10 (Multiplier) for 2.5GHZ FSB) 250x4 (LDT) for 1000 HTT 1.55-1.60 v-CPU 2.8-2.9v - Memory 1.6 1.7v NB Memory timings need to be in the 2.5-3-3-8 to 3-4-4-10 in the 250FSB range depending on your ram. | ||
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| | #10 (permalink) | |
| http://www.thelab.gr/printthread.php?threadid=4824, just scroll down and look for A64MemFreq 1.1 Here's a little program that you can use to determine how fast your RAM is set at, just plug in your FSB and multi and your ram divider and it will show you how fast your ram is running. It's good to use if you hit a plateu in your o/c and need to know if your ram is the problem. Also pick up Memtest86 and put it on a floppy and run test 5 on it after a reboot to see if you get any errors on from your ram. Another helpful tool is Prime95 which you can use to see how hot your temps get under full load. | ||
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| | #13 (permalink) | |
| What mobo and ram are you using man? Any details are nice... I would say try to run around 230 FSB and see if it stays stable for you. For this you are going to need to raise your Vcore and possible ram to keep it stable. Its all a simple numbers game really. Kinda like a math problem, you just have to figure out the right code and this will translate to a good overclock. I suck at math, and I can still overclock with the best of them. Its not hard once you understand what you are really doing and when you relize how hard it really is to "fry" a part today. You can try purposley these days and with CPU thermal protection on most parts its geting hard. | ||
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| | #15 (permalink) | |
| Are you having issues raising the FSB greek? Like is it freezeing or cutting out at a certian level? Or are you just looking for some advise. My addvise would be try this... Go to your BIOS, got to you CPU setting and set the LTD to 4x if it gives you the opion. Then, raise the Front Side Bus (stock at 200, which is what you said it was at) to about 210. Like you said you can't find it make sure to look at the bottom of the screen where it lists the F-10 and save keys and see if there is an option to unlock advaced features or something. Its there man, people have goten amazing overclocks out of these boards. It should not be hidden to hard, just take a second and go through each one of the selections. (example, Avanced Option, Heath, standard options, frequency and voltage control....this is the one you are looking for) Then go to your RAM setting and where it says ratios lower it to a 5/4 if you can. I would try a 1.1 first to see how high that ram can scale but I don't think it will go much past 210 FSB. Save it and see if it boots windows. Its should at this very mild overclock. If it does not refer to your mobo manual and look up clearing the CMOS. When you are back try again. Then go back to your BIOS and try a voltage raise. Don't go for broke, start with the next seting above stock, (I think stock for a 3500+ 939 is 1.38 or 1.40, I know my AMD 3000+ 90 nm is 1.38) So I would say 1.45 should be a save voltage raise and will give you a bump. I am guessing you got a 90 nm CPU, the 130 nm Newcastle runs a higher voltage. Try this and see if it boots and hits windows. Bassically do this until no matter what you do it stil crashes then settle for what you got and run some tests. Start up a game and see if it crashes. Remember, heat can be a factor in his stage more than any. This is why water is so appealing to us overclocks as it can hold the temps alot longer under stress than air and regular heatsinks. I mean from here and your very detailed posts that say nothing its hard to help, but I hope some of us have got you started in the paths of the dark arts. | ||
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| | #16 (permalink) | |
| ok thanks spikeshot for all the help i know i havent been much help and ill be trying this with the standard heatsink is there any temps that i should be worried about if i hit them? EDIT: i just realised ive been saying fsb when ive been meaning to say i cant find the multiplier Last edited by greekplaya; 18-March-05 at 05:21 AM.. | ||
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| | #17 (permalink) | |
| The multiplier is under CPU clock ratio. It's upwardly locked on A64s, so you'll only be able to pick 9x and below. Also, these MSI boards have an issue with half-value multipliers, so don't pick anything other than whole numbers. As for temperatures, I tend to try and stay below 55 degrees celsius under full load if you're air cooling. Also, if your overclock isn't stable and you've tried voltage increase and the like, try lowering your HTT multiplier. You generally want to keep the HTT between 1600 and 1800 mhz as that seems to be the range where things are most stable. (HTT doesn't have that big an effect on performance, so it doesn't really matter what pseed it is as long as its stable.) | ||
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| | #18 (permalink) | |
| Give this a try and see how it works, try 240 FSB (HTT) with a 10x multi and a 1:1 ratio. That will give you 2.4Ghz with your ram running 240MHz. I wouldn't go any higher on stock cooling. Your memory should allow for 240mhz with no trouble. Alot of times people just look for the highest overclock by crippling their memory, ie. running at a lower frequency. While this is fine for the highest o/c score, it isn't good for the whole system since your ram is holding you back. Try to find a happy medium by lowering your multi and running your ram as fast as possible. Hope that helps. | ||
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