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Cranky 7x multi?, or impossible.

post #1 of 42
Thread Starter 
hey guys, here is the situation this time.

I got a stable oc (orthos 12+hrs) at 3.0ghz with a 8x multi 1500fsb and a 1.28 vcore. So I decided to move on to ocing my ram. (help with this, anyone pm me, I got a lot of questions)

ANyways, when I was testing on my BIOS, just out of curiosity I put the multi to 7x and raised the fsb to match 3.0 ghz. Well, I needed a RAM overclock of about 50mhz (impossible?) which I decided to try to get. I started with the Ram running sync 1:1 and I made the fsb 1600.

Booted up fine, but the POST said "Warning! System is now running in safe mode. Change memory clock or fsb..." and it automatically pops the fsb down to stock. I ran the fsb at 1500, which was what my stable oc was at, and it still gave me the error.

I soon found that it gives me the error on pretty much any fsb. Can I just not use 7x multi, or do I need to riase the fsb voltage, (1.3 now), or what is going on?

I just wanted to try this, cause I could theoretically run a lower vcore, with a and have a higher fsb and memory clock, thinking that I could oc my mem 50mhz.

ANy suggestions?
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post #2 of 42
Try raising the voltage on 7x, see what happens. Otherwise put it back on 8x.

For your RAM, you want to run as fast as possible usually with decent timings, usually around 5-5-5-18 or so...
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post #3 of 42
Thread Starter 
kk, but shouldnt it have a lower voltage theoretically? Maybe is it the RAm voltage that needs raising?
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post #4 of 42
Quote:
Originally Posted by blacklight115 View Post
kk, but shouldnt it have a lower voltage theoretically? Maybe is it the RAm voltage that needs raising?
You didn't try running 7x without overclocked RAM? Then try lowering the
RAM timings then overclock...then try increasing voltage on RAM.
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post #5 of 42
Thread Starter 
nonono, I did. I tried running the 7x multi with underclocked ram and it gave me the same error
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post #6 of 42
Then try upping the FSB voltage a little, while lowering memory timings as well. If that doesn't work go back to 8x I guess.
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post #7 of 42
You decreased the multi to 7. So your FSB will be increased. You need a higher Vcore.
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post #8 of 42
Thread Starter 
I don't think that is it, but I'll try it, because (correct me if I'm wrong) but dont you need less vcore with less multiplier? Otherwise I would have just run it on 10x, not 8x.
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post #9 of 42
Well, lowering the multiplier, you have raise your FSB speed to counteract that.

It COULD be that your HT multiplier needs to be dropped once or that you need to up your chipset voltage. Maybe it may even be the temps.

Try running your ram at the lowest divider and put the CPU multiplier at 3 or 4X to test the FSB and see if that is the problem.
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post #10 of 42
Thread Starter 
What is the HT multiplier?

When you say up the chipset voltage, do you mean vcore, sdd, or fsb?

My mobo has a 1:1 fsb to Ram ratio (which is really 1:2) a 5:4 a 3:2 and a sync mode which is really 1:1. I usually use the sync mode (should I be using this?)

Heres an example. Lets say I have a 1000mhz fsb (quad pumped remember) and the mem is DDR2

1:1 would be 1000:1000=250:500
5:4 woud be 1000:800=250:400
3:2 would be 1000:666=250:333
1:1 (sync mode) 1000:500=250:250

...Think thats right, correct me if I'm wrong

Which mode should I use?

My CPU multi is 6-10x

Sorry to be a royal pain, but I don't understand...
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