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[MOD] LGA775 Support For LGA771 Xeon CPUs - Page 137

post #1361 of 12504
I forgot to set TJ max LOL. temps are @ 48C-53C during stress testing large-fft on prime95. Alas my machine has been running much cooler than expected by 15C smile.gif

On the voltage, I haven't been able to stabilize with anything less than 1.45 in bios. I know the board droops ALOT, thinking i may pencil mod it sooner or later. But still this chip seems to just require more vcore to get higher clocks. It is significant after 4.0ghz. it rams from 4.0ghz @ 1.381vcore to 4.2ghz @ 1.45vcore stable and finally 4.3ghz @ unsure vcore. I think this chip just cannot do the higher clocks. I mean i did a suicide run @ 4.5ghz @ 1.5vcore and it hooked up but blue screened about 3-5min into large-fft. Now that temps are so much lower i will attempt to push higher voltages.

I guess it comes from the fact that i ended up with a C0 chipset. At least i know it'll boot 4.5ghz and can try to shoot for higher vcore after the pencil mod and hope for a stable 4.5ghz o'c

Either way we shall see. Im a bit limited as im not running a badass ddr3 motherboard and cant run 1:1 fsb:ram. I'll keep piddling until i get where i feel is comfortable for this chip then order a x5470

Nic
post #1362 of 12504
Can someone explane difference in cpu temperatures? What are normal readings, ones with higher or lower temps?

http://postimg.org/image/k6b01pyjp/

Thanks
post #1363 of 12504
@miskomisko

The temps should all be reading similar. It looks as if you have to configure tj max for some of your programs. If the setting is off, it will throw your temp readings WAY off. Mine were off in excess of 20+ degrees in some situations. now i am idling at a low of 20 on one core and a high of 29 on the hottest one. Before the temps were showing high 30s mid 40s for idling. A major difference.

If you are asking what is a good temp id say for a overclocked cpu on a good air cooler @ or around 30c is acceptable with under 60c on full load being good. For the all in one water coolers id say 25c idle and no more than 55c on full load.

Nic
post #1364 of 12504
Quote:
Originally Posted by n1sm View Post

@miskomisko

The temps should all be reading similar. It looks as if you have to configure tj max for some of your programs. If the setting is off, it will throw your temp readings WAY off. Mine were off in excess of 20+ degrees in some situations. now i am idling at a low of 20 on one core and a high of 29 on the hottest one. Before the temps were showing high 30s mid 40s for idling. A major difference.

If you are asking what is a good temp id say for a overclocked cpu on a good air cooler @ or around 30c is acceptable with under 60c on full load being good. For the all in one water coolers id say 25c idle and no more than 55c on full load.

Nic

So i setted in all programs tjmax 100 and now temps are idle around 43, for correct readings should i set lower or higher tjmax?

Thanks
post #1365 of 12504
thanks to all for this great thread

Xeon E5462 2.8ghz
Asus P5q3 deluxe (bios modified with p6 microcodes)

http://valid.canardpc.com/mafuvd
post #1366 of 12504
Quote:
Originally Posted by jihe View Post

Hey I am also on IP35-e, does yours double boot? In the latest bios abit sort of fixed it, but the xeon brought it back. I am on a modded bios from bios-mods, which enables AHCI for SSDs. The board works great except for this damn double post issue, even works with setfsb for easy overclocks.

Yep.. when I power the mobo it turns off and on 3 times before it boots. Last night I was trying to find the limit under stock volts and it looks like 3.5GHz was a little unstable.

If you don't mind do you have a link or any information on that modded bios for p35-e?

Looking at the cpu-z screen shots in this thread I've noticed additional instruction sets that's not listed under my E5420. Are you guys added them in somehow, or is my Xeon a different model.

Thanks for any info
post #1367 of 12504
Quote:
Originally Posted by JAWS View Post

Yep.. when I power the mobo it turns off and on 3 times before it boots. Last night I was trying to find the limit under stock volts and it looks like 3.5GHz was a little unstable.

If you don't mind do you have a link or any information on that modded bios for p35-e?

Looking at the cpu-z screen shots in this thread I've noticed additional instruction sets that's not listed under my E5420. Are you guys added them in somehow, or is my Xeon a different model.

Thanks for any info

Found the bios here http://www.bios-mods.com/forum/Thread-abit-ip-35e-bios-unlock-for-ahci-to-work

Be sure to read through and get the one that works, you need to register as well. I think if you can modify the bios yourself with modbin to enable AHCI yourself but I was lazy. This also gave me full instruction sets for E5440, if your E5420 has a different cpuid you may need to add the microcodes on top of that bios.

Unfortunately the double post thing stops S3-sleep as the board fully resets every time. But I have an SSD to mitigate this.
Edited by jihe - 1/14/14 at 7:11pm
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post #1368 of 12504
Quote:
Originally Posted by n1sm View Post

I had the same issue. I remounted my h80 so many times that I rubbed the black anodizing off the tops of the thumb screws with my screw driver.

It seems you have a more efficient cooler than my h80. Maybe its my $5 thermal paste LOL. My idle temps are about 35-40 load is about 60-65. I also am clocked at 4.0ghz @ 1.381v and the rams clocked up to 1150. Not too extreme but I haven't seen my tube of shin-etsu in the mail yet. I figure shin-etsu should let me hang comfortably at 4.3ghz day to day even at 1.475vcore it should be plenty cool > 65c at least.

Its a struggle as it currently stands but it works for now.


Nic
Well I wouldn't say my h60 is more efficient remember my cpu is still stock while yours is @ 4.0ghz. I did use as5 for thermal paste but dont think there would be a mayor difference between thermal paste maybe be 2 to 4c difference? But yeah that h60 problem had me devil.gif for a while lol
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post #1369 of 12504
Quote:
Originally Posted by miskomisko View Post

So i setted in all programs tjmax 100 and now temps are idle around 43, for correct readings should i set lower or higher tjmax?

Thanks

Set TJ max to 85 for correct temps.

Nic
post #1370 of 12504
Quote:
Originally Posted by n1sm View Post

Set TJ max to 85 for correct temps.

Nic
Would this be the correct setting on a x5460 too?
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