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Need help OCing a AMD 64 3000+

post #1 of 49
Thread Starter 
I decided to overclock my computer, I have an MSI K8N Neo4-f mobo, an AMD Athlon 64 3000+ Venice (1.8Ghz at stock) CPU, and some crappy RAM. With my mobo, I'm not sure how to use dividers for my memory or change my multiplier or anything. The only option i had was to raise my FSB. It was originally at 200, and i got it completely stable at 245. I've seen some people with higher speeds than that. Another thing i saw was someone changed their HT ratio. I'm not sure exactly what that does, but they were using the same processor as me. They changed their HT ratio from 4x to 3x and they were able to get from 2.3Ghz to 2.55Ghz. I've seen people with this processor with speeds up to 3Ghz :-P. If anyone has any suggestions, please feel free to tell me.
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post #2 of 49
the reason that they changed their htt multi was because the fsb value times the htt multi should never equal over 1000 (stock is 200x5=1000, get it ?) On a 64 the multi is only changable down (from stock and down). The memory Dividers should be on there, it might not be called that, it might show a ram/fsb ratio or something like that instead. Make sure that you lock your PCI speeds.
post #3 of 49
you won't hit 3 ghz on air on your processor/motherboard combo. neo-4 boards just won't do it. plus you can't do that on crappy ram. you need to read some overclocking guides here to get you more knowledged, then if you have any questions about the motherboard after you read, ask me, i've hacked this thing apart
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post #4 of 49
Thread Starter 
Hmm... I got the fsb to 250 without any random reboots. Didn't test for complete stability yet though. The ram shouldnt be a problem if i use a pretty big divider (once i find out how to use a divider in awardbios). My HT frequency is 5x and my FSB is 250. Logan said "the fsb value times the htt multi should never equal over 1000." 250 x 5 = 1250. Is that bad? Well anyway, whats the highest speed you think i can get this to, and how would i do so?
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post #5 of 49
otoshi, techincally you either messed up in your overclock, or you're running really unstable, because the max i've been able to get my HT bootable is 1080....

if you haven't read up on anything, perhaps you need to read up first.

also, go download CPU-z (www.cpuid.org) and find a prime95 download and also superpi mod 1.4. use those few programs, cpuz to identify etc etc, post some screenshots, and we'll be able to help you out.
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post #6 of 49
Thread Starter 
When I had my FSB at 245 yesterday, i ran a Prime95 torture test for about 10 hours, and i was fine. I ran it for about 4 or less hours today (had to reboot to install something) and I was stable too. Well, I don't seem to be having any problems right now, I just want to see if i can get to an even higher speed :-P. Hmm... I'm not sure what's with the whole HT thing though. Here, I''ll post some cpu-z screenshots.






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post #7 of 49
why do you have ur HT frequency set to 5X (250) and how do you get ur system to boot? When I hit 220 at 5X it totally shuts down and i need to reset my bios. Well you need to lower ur HT frequency you want to be as close to 1000 as possible. 200x5= 1000, 250X4=1000. So when you go past 250 you might want to go 3X. btw I feel no difference having it set at 5 or 4

EDIT: what are you temps? You don't want to go above 55C on load. just to be save (ur proc. can handle 65C)
post #8 of 49
and with the neo4 board, you're not running dual channel. RAM needs to be in slots 1 and 2 to be dual channel.

other than that, i'd say you have good overclock on that thing. i would suggest running a bigger divider if you're going to up your proc speed any more though. running all that on 1.45v ain't bad, do you have it on auto, or are you manually adjusting it?
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post #9 of 49
YES you do need to lower your ht multi to 3x if you want to go past 250 fsb (htt) and also monitor your temps, you will need to make sure (if it doesnt do it automatically) that your pci is locked at 66 or 67 mhz, your ram needs to be slowed down and put on a 166 (333) mhz divider so it doesnt go past your threshold of probably around 200mhz (ddr). you will probably get around the 2400 mhz mark before needing to add minimum more volts in the cpu. Remember the more volts you use the hotter the cpu gets and heat is the enemy!!! Now try and boot at 250 fsb and you should be fine, you have a long way to go yet so enjoy
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post #10 of 49
Quote:
Originally Posted by RaCeR123
why do you have ur HT frequency set to 5X (250) and how do you get ur system to boot? When I hit 220 at 5X it totally shuts down and i need to reset my bios. Well you need to lower ur HT frequency you want to be as close to 1000 as possible. 200x5= 1000, 250X4=1000. So when you go past 250 you might want to go 3X. btw I feel no difference having it set at 5 or 4

EDIT: what are you temps? You don't want to go above 55C on load. just to be save (ur proc. can handle 65C)

65C? His processor can handle that if he needs toast.

By the way everyone, we know each other IRL, and I'm helping him out on this. For everyone that didn't really read his original post in-depth: The HT is set to 5x and is booting, and we're trying to figure out why.
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