Does it depend on mobo brand or quality to support processor?

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Ali Tauseef

Ali Tauseef

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Hi.
So the thing is, I've had a terrible experience with a used processor I bought here in Pakistan.
It was an i5 760, someone who sees this may know because I posted a few threads for troubleshooting.
Anyways, the mobo was an Intel Dh55tc, I would say and I think you all would agree that buying Intel motherboards is a terrible idea but I am not sure. So, the i5 I bought heated like hell even with thermal paste reapplied and readjusting the stock cooler, pretty much tried every common solution but it didn't work. Went to 90C in the first stage of intel burn test.
Anyways, I had to revert back to the SAME i3 and again the temperatures are fine now.
So since i5 was a way heavier processor so I thought it may vary on mobo quality other than sockets. Do you think the motherboard could've been the reason for heating?
Main specs can be seen in my sig
Rest: 550w PSU
Intel DH55TC
 
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CountMike

CountMike

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Well, yes of course that quality figures, that's why there's such price difference between makes and models of MBs. Beside compatibility with socket, chipset and BIOS, VRM and coolers on the chips also are important.
Intel makes MBs mostly for OEM manufacturers of finished machines for their specifications and if this one was made for a dual core processor it may not have enough power regulation for a 4 core one.
 
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Ali Tauseef

Ali Tauseef

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Thanks, I've been in an argument with my father about this who told me to just buy a new motherboard instead. I didn't want to argue with him so I wanted to ask here first. I will recheck with the specs and others about the mobo. And maybe then buy a better brand? Or just a new PC.. Since I am not really satisfied with 1st gen.
 
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MidwestG37x

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Your motherboard isn't going to play a large part in the temperature of your CPU. Intel burn test is know for getting the processor very hot, but 90c is pretty hot. Are you trying to overclock the i5 or is it hitting 90c at the stock settings? What case are you using & does it have proper airflow? When you say that your i3 temps are fine, what exactly are they?
 
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Ali Tauseef

Ali Tauseef

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Hm...
No, the i5 wasn't overclock, infact (as it's a used processor) I went in to the bios settings and saw that Intel Turbo Boost was on which pushed it to 3.25 ghz from 2.8 so yeah I turned that off, did think I would see a big difference but anyway it wasn't too big. Anyways it's on stock. I guess yeah, it also has a case fan in the back. And there isn't a dead end from the back of the case and there is a lot of space from the back and any object/wall.
And get this, I overclocked the i3 I got 3.5 ghz and okay, temperatures went to 64 at the maximum while gaming. (with the OC)
And now you are saying that mobos won't matter so there's only one conclusion for me being it's a used processor. Although I didn't see any scratched and/or bumps on it..
 
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Ali Tauseef

Ali Tauseef

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No, the guy sent over the stock cooler of that processor.
Although even if it was the i3 cooler why would temperatures be so unstable? I am I am saying it would be okay to be high but why so unstable?
 
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belo

belo

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sometimes it's as simple as how and what type of paste you applied. There's some pretty specific instructions out there and not all thermal paste is created equal. I had an issue one time when I built my first rig with the fan not being secured properly all the way.

While all mobo's aren't created equal, typically the cost difference is based on features like audio chipset, usb ports, number of expansion slots for sata/pci etc. Yes some nicer boards use nicer "military class" components and steel cores etc. But those would not cause you chip to behave better. They simply add to the longevity of your board and the ability to OC it. Heck some of the newest boards only cost more because they have fancy lights and extra fan control options lol.

if it's not the paste, I would question maybe the cooler or the "used" chip are your problem. Aftermarket coolers are relatively cheap and some come with paste perfectly pre-applied.

good luck.
 
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madmatt30

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Board clearly supports the 760 from it's spec sheet on rev 20 bios (one of the earliest ones).

Intel boards are generally good quality , people steer clear because they're expensive & bios update support for older boards is sadly lacking.
I 100% doubt it's anything to do with the board.

Could be the board is reading temps incorrectly , could be the thermal compound properties between chip die & lid is compromised (old old CPU - does happen , they don't last forever)
Could be the cooler is not up to the job.

Did you do a CMOS reset between swapping CPU's ??
Because its good practice to do so normally.
 
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Ali Tauseef

Ali Tauseef

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Thanks, exactly what I was thinking. While the used processor seems like the fault so far, I may just buy it used again from somewhere else, will ask the person for benchmarks and temperature test. May just also put a Hyper 212 evo but all this will have to take a while sadly, since I have a plan.

I don't get it, I know that some CPU coolers, even the 212 Evo come with their own paste but what do you mean by pre-applied? Since they apply on processors and not the coolers. Correct me please.



Well I did get the latest Bios update and I think that helped a bit, but not enough ofc, the temps I mentioned were after all my attempts.
No, I don't think that's the case since I got the i3 without any other differences made and the temps are fine. Also with the i5 I also had blue screen of death so I am positive that proves the temps were high. I am still not entirely sure about thermal paste, I applied it on the CPU again, I will admit that I bought it from a local computer shop so it may have been bad quality but I don't think that should matter much.
Not getting your point? I did open the case to see the cooler is working or not and yeah it was working. Also checked the temps with the case open.
Sorry, not sure, what's a CMOS?
 
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belo

belo

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I have not seen paste pre-applied on a chip ever. It's either applied on the cooler with some plastic over the paste that you remove prior to mounting to the mobo.
Not all coolers come with paste pre-applied, in some cases you buy your own and apply, but there's a specific amount and location for applying it. It's not more is better and too little isn't good either. a quick google search should help.
another thought is that if this is a used chip you might have old paste on the cpu and the cooler. that needs to be cleaned before re-applying new paste. Again some googling will show you how.
 
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madmatt30

madmatt30

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CMOS reset - simply resetting the bios to defaults.

When I talk about thermal colloubd being compromised I mean internally in the CPU , between the chip die & the lid (the silver top you spread your own thermal paste on) - however after looking it would seem the socket 1156 Chips are all direct soldered lids do this doesn't even apply to you.
 
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Ali Tauseef

Ali Tauseef

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Well it's a used one so that's probably the reason.The cooler did actually have thermal paste as well, it was like on the bottom, there's a circle and thermal paste was on it.
Never heard, at least not new coolers, I didn't know coolers even came with thermal paste applied at all, unless used you know. But Hyper 212 comes with its own thermal paste (not applied) but for you to apply.




Yes, I think I did that twice. Didn't help either.
Well I did apply it on that.
 
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belo

belo

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typically they don't come with pre-applied paste. But for example, my new kabylake i5 comes with a stock intel cooler with paste pre-applied to the cooler. Most aftermarket does not. So if your chip and cooler are used, they need to be thoroughly cleaned and new paste reapplied appropriately.

After you do this, please reply back on how you faired. When problem solving lets start with eliminating variables like this before we decide the chip is bad. shouldn't cost much. search newegg for cleaner and good paste.
 
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Ali Tauseef

Ali Tauseef

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Well sorry to ruin this, but I've kinda returned the processor. I am thinking of just finding a prebuilt PC from ebay and adding my GPU to it.
 
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