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post #6551 of 9621
Hey, Xeon what IS the advantage of running a xeon? Whats the dif between it and the q6600?
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post #6552 of 9621
Quote:
Originally Posted by MrQ View Post
Thats kinda the issue with this board donkey, the absolute best way to get 3ghz on the quad is on the 0608 bios. I was on 0803 and it wouldn't let me past 2.6ghz.

But I guess we need to try setting your memory timings to whats on your memory. change the AI oc to manual, set the FSB to 1333 and the memory to 667.

If you can't start on that, back down on the fsb till you can boot into windows.

Did what u said got the FSB set to 1,150 and the ram to 667. What would be my next step?

btw: thanks in advance for your help
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post #6553 of 9621
Ok you have achieve about 2.6ghz. Thats pretty good. Your temps stayin all right? Don't use PC Probe use CoreTemp (google it). Ok time to crack into the voltages. If you have cpu-z bring it up and check the v-core voltage. Write it down. Boot into you bios and raise the voltage up ONE step from where it was on default v-core. (There is vdroop on this board so don't expect to have accurate readings from cpu-z just use it to gauge where the default is). Now slowly raise your FSB about by about 5. If you can still boot into windows, then go back to the FSB and raise it a bit more until you can't boot into windows. Once youve reached that point, hit me up back here with your results
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post #6554 of 9621
Quote:
Originally Posted by MrQ View Post
Hey, Xeon what IS the advantage of running a xeon? Whats the dif between it and the q6600?
Xeon is a server CPU. They're build to last longer and can run under more severe conditions; hence it's a server CPU. I can't remember if they're overclockable. If they can, it's not much.
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post #6555 of 9621
Quote:
Originally Posted by Blizzie View Post
Xeon is a server CPU. They're build to last longer and can run under more severe conditions; hence it's a server CPU. I can't remember if they're overclockable. If they can, it's not much.
Xeons overclock the same if not better.

a xeon and its equivalent core 2 duo/quad are the exact same chip, the xeon is just a "higher quality" meant for servers. They generally can withstand higher operating temperatures etc. Thus they are usually better for overclocking but they cost a bit more.
post #6556 of 9621
LONG post inc... please read it, I'm desperately looking for an answer

I know this might be long, but its not overly complicated info. Please read this, I'm completely stumped here...


The Beginning-
Assembled a machine using an Asus P5N-E 650i SLi motherboard and an E8400 processor.
The stock speed on the CPU is 3.0GHz / 1333MHz FSB
The aftermarket cooler is a Zalman's CNPS9700
I also have 2x 1GB PC6400 DDR-2 800MHz Corsair memory. Timings are 4-4-4-12, 2T and manually set to this in the bios.
I also manually set voltage for the memory to 2.085 per the spec.
North Bridge voltage is set to auto.

At stock speeds and a fairly low voltage (I want to say it was 1.225v) everything was fine. Low CPU temps, low mobo temps.



The Overclock-

I overclocked the CPU to 3.6GHz / 1600MHz FSB
This gives me a 1:1 with the 800MHz memory
The CPU temp after OC is only 32C idle and I think it got as high as 38C under orthos load. Maybe 39-40C on a hot day.

voltage might have been kicked up 1 or 2 notches above 1.225, but no higher. The system was completely stable and temps were perfect.


The problems-
After about 2 weeks, I noticed some issues with stability. No issues with the temps...
The machine had rebooted itself or blue screened a few times while I was playing games. At first I thought it was a memory issue. So I retested both dimms with memtest twice each and both times they passed 100% with 0 errors. So the dimms are fine. Then I started having some other stability issues. Orthos would give a stop error or a blue screen / reset. So I bumped up the voltage a few notches and kept my eye on the temps. The temps were still very low.

From this point on, everything seemed perfect.... for about 10 - 15 days. Then I noticed another couple of random resets and a blue screens. Orthos would kill the machine again as well. Again a jump in voltage fixed this and the CPU temps stayed low.

This pattern continued until I hit 1.31v. The max for this CPU is 1.35 and I refused to go any higher than I was at.



The stability issue came back and this time I noticed my CPU temp was up a little, nothing dangerous though.

The motherboard temp was up a lot. I don't recall what it was back when I first did the overclock, but it was up over 45C when I noticed it this time. The machine had reset a time or 2 as well. Rather than attempt to fix the stability issue with voltage, I lowered it back down to 1.22v and canned the overclock.



So the situation I am in is this:

3.00GHz / 1333MHz FSB (Stock speeds) cooled with a CNPS9700
1.22v on the CPU

the motherboard temp even here is still 45C, with just the WoW load screen and not actually running the game it was at 52C, but its usually between 44-49C. Which is ridiculously high.

My next guess was the north bridge was overheating. I removed the NB heatsink and the paste was crusty dry. I removed it and applied arctic silver. No luck w/ the temps.



So I replaced the motherboard. It was suggested here that the NB was either bad or had sustained some damage.


I ordered and just installed today a new Asus P5N-E 650i SLi motherboard.
I put the CPU on it and left everything at stock speeds. No overclocks anywhere. Flashed the bios to 0803 and set all the bios settings. 1.22v on the CPU's vcore.

CPU temp while idle (and with the aftermarket cooler) is 34C and the mobo temp is 38C. I checked it earlier and mobo temp was 39C. This sounds way too high for an idle temp. Not sure what the norm is supposed to be. The CPU temp isn't bad, but it's at stock and not doing anything and has a CNPS9700 on it... so it should be a few degrees lower imo. I guess the question is... why is my motherboard heating up like this? Is this temp normal?

Under load with Orthos, I have the following temps:

CPU: 39C after 3 minutes of testing
MOBO: 39C after 3 minutes of testing

stock speeds.... CNPS9700 cooling it...

will post more temps as it gets further into the test

PROGRESS LOG
--------------------------
stop error after 8 minutes

temp was 39/39, CPU/mobo respectively

upping the voltage a tad. 1.22 might be low

set vcore to 1.250

idle temp... CPU = 35C, mobo = 39C
CPU-Z shows voltage to be at 1.28v instead of the 1.250 that I set it to. Its never read exactly the same before

11 minutes in @ stock w/ 1.250v vcore:

cpu 41c
mobo 39c

I guess the good news is the mobo temp isn't going up.

31 minutes in @ stock 1.250v vcore

CPU = 42C
MOBO = 39C

mobo still hasn't gone over 39... which is a good thing, again hopefully the gaming doesn't change that. Might pull up the WoW load screen (best I can do at work) and see if that has any impact at all on it.

48 minutes @ stock w/ 1.250v vcore

CPU = 41C
MOBO = 39C

Temps aren't exactly impressive for being under load w/ this cooler and stock speeds, but it *looks* stable. And the motherboard isn't overheating (yet).


Any suggestions, cautions, advice??


15 mins of playing crysis

motherboard temp went up to 47C


....I can NOT figure this out....

please help
    
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post #6557 of 9621
Ok, for some reason my new E2180 does not want to stay stable at 3Ghz and one suggestion is to punch the northbridge voltage up another knotch to 1.562. Does anybody have any experience with the stock heatsink being able to take this voltage?

I have reseated it with some AS5 as well as a fan for intake and one for exhause however the intake fan is obscured by two hard drives. I also have a fan on the side window but it's a bit off center and below from the northbridge so I'm hoping that these will make some sort of difference but I'm not willing to increase this value it unless I can be sure it'll be ok.

Yes, I know...get active cooling. That's not an option right now unless I can find some freebies or root through some computer geek's junk drawer.
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post #6558 of 9621
I am looking to swicth from 4x1 Corsair XMS2 6400C4's (@667) to 2x2 so I can go back to 800mhz on my RAM. I am looking for suggestions on memory that you guys KNOW works at 2x2. Here are my choices:

Patriot Extreme PDC24G6400LLK 2x2GB
G.Skill F2-6400CL4D-4GBPK 2x2GB
Geil Esoteria GX24GB6400ERBPDC 2x2GB
Crucial Ballistix BL2KIT25664AA804 2x2GB
OCZ Titanium OCZ2T800C44GK 2x2GB
OCZ Reaper OCZ2RPR800C44GK 2x2GB
Patriot Viper PVS24G6400LLK 2x2GB

They are all rated at 4-4-4-12/15 (2T) - I did not look for any CAS 5 memory at newegg.

I am looking for the thumbs-up on compatability on these at 800 (not 667)
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post #6559 of 9621
You can check the P5N-E SLI's qualified vendor list (QVL) for info but I find it pretty hard to decipher since they sometimes use IC manufacturers instead of the actual company that puts out the memory such as OCZ.

The Ballistix seem to be dead stable in this board so I'd probably go with those.
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post #6560 of 9621
>Hey, Xeon what IS the advantage of running a xeon? Whats the dif >between it and the q6600?

The other members are correct, the Xeon is primarily a server CPU. Intel recently started making socket 775 Xeons that are counterparts to the Core 2 Duo series, for instance, mine is an X3220 = Q6600, E3110 = E8400, etc.

The Reason I chose to go Xeon is that I have been using Xeon based worstaions for some time (Since the old Foster Core PIV Xeons), and have always found them to be extraordinarily reliable for 24/7 machines, and in environments where cooling is less than optimal.

There is a debatable rumor that Xeons are manufactured from higher binned silicon.

What is not debatable, is that the X3220 can take close to 10c more heat than a Q6600 and remain rock stable. Mine is stock @ 2.4GHz, but I have it OC'd to 3.4GHz on air 24/7, and my warmest core barely breaks 42c at idle/ 58c Load. I can crank it to 3.6GHz, but rarely do I need such a small speed boost, so I tend to err on the side of caution. Also, I use air cooling only to acheive these clocks. My case is a custom Lian Li PC V2100, outfitted with 6 120mm Scythe S-Flex fans, and a pair of 80mm Panaflo's to keep my PSU chilly, so that helps to keep the temps down as well.

As far as cost, at the time I purchased the Xeon, (Oct. 2007), it was only $10.00 more than the Q6600, so price/ performance wise it was the better choice (due to the higher thermal spec).

I have benched it against Q6600's and performance is the same, however my temps and max OC are better than anything I was able to pull off with a Q6600 on the same board (P5W DH Deluxe, stock cooling reseated with AS5, and I did the vdroop mod).

IMHO, best chip for the buck right now is the E3110, it is the Xeon version of the E8400. If you want high (4.5GHz or more) OC's, spend the extra few bucks.

Also, IMO, Xeon's are just really darn classy bits of silicon.

- I hope this better explains why I went with it. if you have any other questions, let me know. I have been checking in on this thread regularly, so I'll try to answer as best I can.
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