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[MOD] LGA775 Support For LGA771 Xeon CPUs - Page 269

post #2681 of 12376
I had to verify the lowest voltage rock solid, i need more time to test, now i am at work but i think next week i can post some accurate details.
for the test i use the intel burn test at maximum level stress, for monitoring the temperature i use speedfan, do you have some suggestion for better testing and monitoring program?

Next week i will post the configuration of the pc. biggrin.gif
post #2682 of 12376
Quote:
Originally Posted by CarloS83 View Post

I had to verify the lowest voltage rock solid, i need more time to test, now i am at work but i think next week i can post some accurate details.
for the test i use the intel burn test at maximum level stress, for monitoring the temperature i use speedfan, do you have some suggestion for better testing and monitoring program?

Next week i will post the configuration of the pc. biggrin.gif

Many people like to use Prime95 to test for maximum heat/stability and realtemp to measure the temperatures. If your RAM is overclocked as a result of changing the FSB and you do not use a different ratio to bring down the RAM speed to it's rated speed you can test it for stability using Memtest. As for using Prime95, just remember it really stresses the cpu and generally it does not represent real world applications, usually your cpu will run cooler even when using it intensively in most other programs.
post #2683 of 12376
Quote:
Originally Posted by CarloS83 View Post

I wanto to report my experience, i have a Jetaway i35p sg http://www.jetway.com.tw/jw/motherboard_view.asp?productid=341&proname=I35P-SG , it work perfectly with the latest bios from the jetaway site, nom mod, with a xeon L5420 overclocked to 3.0 Ghz Fsb 400x multi 7.5
I buy the processor for 29 euros on e-bay, very nice but inexpensive upgrade. thumb.gif

I want to make a mini itx sistem, some suggestion for a cheap intx board that work, i saw in this tread the foxcon irwine, but i think is not a standard itx, someone that have this board can misure it in cm, i have a case to fit it but i want to be shure before buy this board.

Hi I found a dutch website that shows your motherboard should be able to reach a 490 FSB => 490 * 7.5 = 3.67 GHz biggrin.gif http://www.bouweenpc.nl/reviews/jetway-i35p-sg

Let us know how it goes I am very curious about L5420 overclockability although I must say I think it will have a better use as a low power cpu at stock speed, do you want to put it in the Mini itx system? I think the irvine is 193mm x 173mm according to the manual and according to wikipedia mini-itx is maximum 170mm x 170mm? But I do not have one so don't know for sure. edit: another manual shows 244 x 224 mm but not sure which is the right one, good idea to ask for someone who has one smile.gif
Edited by snorbaard - 3/19/14 at 3:17pm
post #2684 of 12376
Quote:
Originally Posted by Rutger View Post


Now it was already late yesterday so i didn't do any tweaking yet and just installed the E5450 and ran it at 9x 450mhz for a 4.05 Ghz overclock with voltages at auto (except ram) just to see if it would run. Cpu vcore seems to be running at 1.30-1.35v in cpu-z and the system is stable. Motherboards is a Gigabyte EP45-DQ6 with bios F12 (latest non beta). Runs the cpu fine and it also shows SSE 4.1 and VT-x in cpu-z, so no need to mod any bios.

I am going to do some tweaking later today to fine tune the voltages etc and see what i can push this cpu to. But i was wondering what people consider to be a good vcore for a 4Ghz overclock or higher.
And maybe what you guys tweaked in your bios. Vcore, VTT, MCH to get the best overclock.

Hi Rutger,

Good you have joined Quad 4Ghz club.
To see what`s the lowest Vcore for 4Ghz I`d suggest you check at 440FSB, as a motherboard may need more and more Vcore for just 5Mhz FSB.
Tweak the MCH.
My P5Q Deluxe/Premium in auto can run an E5450 at low Vcore. So some other cpus, while the X5450 needed around 1.300V or a little more if I remember right. But that depends on the motherboard too.
A good Vcore would be 1.250 - 1.275V, it would not make things warm in the PC case.

Anyway, you have a QUAD running better than a Q9650 at a fraction of its cost.
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post #2685 of 12376
I am currently testing how far i can go beyond 9x 450MHz. I already tried 500MHz with lower multiplier 6-8x and that worked fine, but it used more vcore than 9x with lower fsb. But atleast i know my motherboard and ram run 500MHz fine. I did remove my PC6400 ram to exclude that for any problems. Currently im running prime95 testing 4.23 GHz (9x 470MHz) to see if that is stable.

Only problem i have now is that i don't see SSE 4.1 and VT-x show up in cpu-z anymore. But im pretty sure i saw it listed yesterday. Not sure if i need SSE 4.1 though, VT-x i don't care about.
And i am also noticing a big vcore drop. When i set vcore to 1.45v in bios i am getting a reading of 1.376v in cpu-z when i put some load on the cpu.
I set MCH to 1.4v for now so im certain my motherboard will run the higher fsb speeds. I can always tune that down later.

My E5450 did 9x 450MHz at 1.296v (auto bios settings) for about 1.5 hr prime95 stable today. I did that 1.5 hr prime95 at 500rpm with my fans and cpu temps were 60-70 Celsius or so. Not too bad without any fine tuning. I got bored waiting to test it any longer and im just trying to see how far i can push that E5450 for now. But in the end i think im gonna settle for a 4GHz overclock so i can run my fans at low rpm. A few extra 100MHz won't be that important. I just gotta see how low i can go with that vcore.
Edited by Rutger - 3/19/14 at 4:30pm
post #2686 of 12376
Quote:
Originally Posted by x11nt4 View Post

That is interesting. Mine is still working perfectly. I was a bit more stable at higher speeds but I still peak at about 4.5. I have been running at 4.25 the last few weeks though because my cooling was not enough. I did upgrade the fan from a server, of course it is much louder now, but my case has fan speed adjustments on the front so I keep it turned down. Still blows a hell of a lot more than the other 120mm fans did though. I had a lot of trouble with my P45 with going above 425 bus for a long time. It was a painstaking process to tweak the bios just right to get it to top out to 500. 463-475 seems to be about where I am landing for highest speeds and still be reliable. Did you use the same conductive pen from radio shack?

I used the Caig pen like you used. I'm positive it was a short on the CPU PCB. The spot is obvious when I look at it now. I can remember seeing a very small scratch when I looked it over previously and should have paid more attention and looked closely before applying the conductive paint. I can still bump the volts and push it but I really don't have the need to. @ 4.2 it does all I need it to. Any luck with your X3363?
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post #2687 of 12376
I've just received the sticker and the X5460, does this CPU oc well?, sry for asking the question I've never oced a Xeon cpu.biggrin.gif

The performance of this processor is equal to a Q9550 or Q9650?
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post #2688 of 12376
Is there anyway to bypass Foxconn's unsupported cpu auto shutdown to update bios? It's a G41MXE.

edit: nevermind, found old core 2 duo
Edited by paujmos - 3/19/14 at 9:42pm
post #2689 of 12376
Had my E5450 prime95 stable for about 1.5 hrs on 4.23GHz (9x 470) with a vcore of 1.376v (1.45v bios) before i moved on. I then tried 490 and 480 fsb and they would boot into windows, but when i started to run prime95 the pc would lock up quite fast. I might be able to get it stable with more vcore and tweaking, but i don't think it is worth it. Altough the temps were not too bad yet.

Right now i am tweaking my 9x 450MHz settings for a nice and cool 4.05 GHz overclock. I got prime95 running with 1.264v in cpu-z atm (1.3375v bios), and it seems to do good. If this is stable long enough i will try to shave off some more vcore.

-Had a BSOD after 2.5hr prime95, trying with a bit more vcore now.-
Edited by Rutger - 3/20/14 at 9:26am
post #2690 of 12376
Does anyone know if the mod works on the DFI Lanparty P35-T2RS Motherboard?
Edited by ronal - 3/20/14 at 12:25pm
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