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Expert advice on P4P800-E before I do it.

post #1 of 35
Thread Starter 
Hi guys ,

OK so heres my story, I have a p4p800E deluxe. At the moment I have an fsb of 244 taking my 3.2 pressy (stepping D0) to 3.9 rock stable. I can't seem to go any higher than that though and be 100% stable. Some other details of my situation: Vcore is set to 1.525, and I've done the vcore droop mod which worked very well. Idle vcore is about 1.54, under load goes between 1.52-1.54. CPU temps are idle 36-37, and load 46-47 with a big typhoon.

I've tried many things to reach the elusive 4GHz but to no avail. Such as memory divider, raising vcore even a little higher since my temps are good, all kinds of bios setting tweaking, etc.

I've been thinking now about one other thing which may help me reach 4GHz, but it's alot of work, and I'd like some opinions before I go there. Now this board has 2 sets of sata ports for a total of 4. At the moment I have my raptor raid 0 HDD's on the ICH5 raid controller, and I've read some things about limitations with the sata with regards to overclocking and fsb.

So here's my real question here- The other two sata ports are an onboard promise raid controller. So... If I relocate my raid0 to this controller (which I'm sure means a new array and reinstall of my whole shibang arrghhh) is it probable this will fix my problem here and let me go above 244fsb?? Would putting it on the promise controller eliminate this sata limitation, if that's even my problem here?? I just wanted to hear some opinions from people who have maybe read about, or experienced first hand something similar. I feel like with my setup and cooling I should be able to hit 4GHz, just not sure if it's the cpu holding me back, or my sata crapping out at high fsb. I wish it didn't require reloading my whole system to find out if it's the sata, which is why I'm asking. Any feedback is really appreciated guys .
    
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post #2 of 35
I have the same MB&CPU in one of my folding rigs, the best I could get it to was 3.9ghz, and that was with IDE drive, my SATA would only let me get 3.85ghz.
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post #3 of 35
personnally im not sure of the sata fix...i dont know much about it yet... but the vcore is awefully high... why? are you sure you NEED that much? im running 3.8 with 1.4vcore from 3.0 1.38v....
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post #4 of 35
Thread Starter 
Quote:
Originally Posted by pbasil1
personnally im not sure of the sata fix...i dont know much about it yet... but the vcore is awefully high... why? are you sure you NEED that much? im running 3.8 with 1.4vcore from 3.0 1.38v....
Thanks for the replies guys. Ya I'm sure I need that much, for 3.9 anyway, I can't get much lower before instability, when I'm done tweaking I maybe can turn it down a little to maybe 1.5. Also my temps are real good, I'm not too worried about the vcore I'm at, much higher wouldn't be good though I'm sure. I know that regardless of heat, too much voltage is not good for any component.

As far as the sata thing, what I've read is that you can have problems over 240fsb. I also read that depending on mobo, this weakness may be overcome by using the other raid controller. I assume in my case, that the ICH5 controller would be the one with the problem being that it's integrated into the chipset, and the promise one would be separate and no problems. I'm not sure on that though. I also know from tests I've seen that this mobo should hit 270+ fsb, and I know it's not my memory that's the issue, or my psu. I'm left with two things 1) My instability is due to sata crapping out at high fsb, or 2) My cpu just can't go any higher.

For some reason I think number 1 might be my problem, I just think with my temps and everything else I should be able to reach 4GHz. Anyone else have any ideas on the subject? Since this board has been out so long, you'd think people would have figured out this sata thing, but it's hard to find info regarding this issue.
    
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post #5 of 35
Quote:
Originally Posted by RoscoeMcGurk
For some reason I think number 1 might be my problem, I just think with my temps and everything else I should be able to reach 4GHz. Anyone else have any ideas on the subject? Since this board has been out so long, you'd think people would have figured out this sata thing, but it's hard to find info regarding this issue.
I've got the same MB, CPU and Cooling as you. I have 2 SATA hdds so I haven't had to deal with the raid controllers.

I was stuck at 3.9 for a while but that was because of my temps. Right now I'm at 4.0 1.55 v and extremely stable. I haven't tried anything higher on the fsb yet so maybe with that voltage I can get up to 4.2 or so.

Have you disable that cpu internal thermal control in tbe bios? and What about your ram settings ?

Sounds like you've got enough cooling and power for that rig so.I would say get your hands on an IDE or SATA drive and test it before you reformat.

I've heard a few people getting up to 4.0 ghz with out even going past 1.4v, anything under 1.5 @250 fsb and mine wont even boot.


Quote:
Originally Posted by pbasil1
personnally im not sure of the sata fix...i dont know much about it yet... but the vcore is awefully high... why? are you sure you NEED that much? im running 3.8 with 1.4vcore from 3.0 1.38v....
Basil have u been able to get to 4ghz ? What voltage and settings ? I'm a lil scared a that I'm feeding unecessary voltage to my chip @1.55v.
post #6 of 35
Thread Starter 
Quote:
Originally Posted by gunner14
I've got the same MB, CPU and Cooling as you. I have 2 SATA hdds so I haven't had to deal with the raid controllers.

I was stuck at 3.9 for a while but that was because of my temps. Right now I'm at 4.0 1.55 v and extremely stable. I haven't tried anything higher on the fsb yet so maybe with that voltage I can get up to 4.2 or so.

Have you disable that cpu internal thermal control in tbe bios? and What about your ram settings ?

Sounds like you've got enough cooling and power for that rig so.I would say get your hands on an IDE or SATA drive and test it before you reformat.

I've heard a few people getting up to 4.0 ghz with out even going past 1.4v, anything under 1.5 @250 fsb and mine wont even boot.
Thanks gunner, ya we have very similar rigs I want that 4GHz you have, I'm jealous . No I haven't disabled cpu thermal control, don't think I'd want to, and I'm not reaching anywhere near throttling temps anyway since I never even break 48C under 100% load. I know it's not the ram, as I've done all the dividers and loosening timings to make sure it wasn't the ram holding me back, this ram is great too btw I love it. I've also already done some of the other bios settings too, spread spectrum off, pci/agp locked at 66/33, tweaked other voltages and settings, etc. I've also done volt mods on this mobo, the vdimm mod (getting now almost 2.9v to ram, which they are guaranteed up to, measured with digital multimeter)- and also the vcore mod, so I barely have any vcore droop either. I been trying everything to lick this 4GHz bastard!


I may have some free time today to dig up an old 20GB IDE drive, and load up windows on it. I'll post back if using non-sata helps with the problem. But, info from anybody who knows anything about this sata situation, is still very welcome. Or any other ideas of why I can't break 4GHz. Thanks guys
    
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post #7 of 35
I haven't actually done any mods to my board but you shouldn't have too much problems getting past 4ghz with that much extra juice .

Mine runs stable at 1.55v but I still feel as though that is too high. I'm think I have some fans sucking too much power from the rest of the board.

Keep tweaking and let us know how u do.
post #8 of 35
I have similar setups to you guys, and I'm stuck, annoyingly enough, at 249 MHz due to the mobo not wanting to push the RAM any faster (2-3-3-7 at 249 MHz but won't pass Memtest at 3-4-4-8 at 250 MHz). So, in short, I feel your pain. Good luck breaking the magical 4.0 barrier.
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post #9 of 35
Quote:
Originally Posted by Taeric
I have similar setups to you guys, and I'm stuck, annoyingly enough, at 249 MHz due to the mobo not wanting to push the RAM any faster (2-3-3-7 at 249 MHz but won't pass Memtest at 3-4-4-8 at 250 MHz). So, in short, I feel your pain. Good luck breaking the magical 4.0 barrier.
I hope ya can get over 249 bro cuz youre really close right there, I was stuck at 245 for a bit but my problems were more related to heat.It was weird because It would crash whenever my temps got over 50c.

What kind of temps do you get? and What voltages are you running at ?
post #10 of 35
Quote:
Originally Posted by gunner14
I hope ya can get over 249 bro cuz youre really close right there, I was stuck at 245 for a bit but my problems were more related to heat.It was weird because It would crash whenever my temps got over 50c.

What kind of temps do you get? and What voltages are you running at ?
I'm confident I can run a divider to get things over 250 MHz, but I'd really like to do it at 1:1. I'm on air cooling, with a vcore in the 1.500 to 1.525 range and load temp right around 50°C. If I can't resolve the RAM issue before the weekend, I'll just go ahead and run a 5:4 divider just to break 4.0.
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