Might Now why my computer crashes while Using Prime!

[sisrace]

Hi. So i use the 8350 with a spec of 5200Mt/s
While my motherboard has a Hyper transport bus of only 4800Mt/s
I can max the cpu with prime for about 10 minutes. Then one core crashes and it goes 2 minutes. Another core crashes and after around 20s i get a bluescreen or... Hrm.. Windows 8.1 Light blue Sadface -.-

Does the Mt/s matter or what is it really?
And can this accually be a possible reason for the crashing?
The Ram is good, The Cpu is fine, The cooling is more than enough and the psu is very very good

 

[Mellon Head]

The chip will only run at the motherboards maximum spec. That shouldn't cause Prime to fail. Prime will fail for various reasons, usually a RAM or CPU fault, but not because the M\ts are slower on the motherboard. The 970 chipset doesn't seem to completely support the FX 8350. Mine doesn't.

Are you overclocking? If you are, does Prime fail at stock speeds? If so, then you have likely a problem with your CPU or RAM.

 

[sisrace]

Well. It is crashing at stock speeds but the cpu is ramping up to 4.2Ghz..
And why doesent your 970 chipset support the cpu while mine do?

 

[Mellon Head]

Well. It is crashing at stock speeds but the cpu is ramping up to 4.2Ghz..

The CPU going to 4.2 GHz is normal. That's just the turbo mode kicking in.

And why doesent your 970 chipset support the cpu while mine do?

My motherboard is an ASUS M5A97 and it *says* it supports the CPU, but the HT bus doesn't go to 5200 M\ts, and there are some other quirks like Load Line Calibration overvolting the CPU, memory controller issues with the CPU (the memory controller is on the CPU die, but I don't think my Northbridge likes the 8350's memory controller very much).

Something you could try is first check that your CPU and RAM voltages are correct, then bump up the CPU voltage the tiniest bit, and try Prime again. It doesn't take much, so don't overdo it.

You could also try relaxing your RAM timings a little. That's what I had to do to be stable. I went from 9-9-9-24 to 10-10-10-30 and it runs OK now.

Try the RAM timings first before you up the voltage on the CPU.

 

[sisrace]

Sooo... What should i set ram voltage to?
IF i need to increase cpu voltage. How much should i increase? 1v 0.1v 0.01V 0.001v ? ( Probably not 1v im not that dumb )
And how much does increasing latency from 9-9-9-24 to 10-10-10-30 affect performance. Anyhing noticble?
And also.. My ram has some basic heatsinks. Like a metalpiece on the modules so is it safe to set lateny from a 9 latency to a 8 latency. Will this overheat the modules or what?

 

[Mellon Head]

Sooo... What should i set ram voltage to?

No more than its maximum rated voltage.

IF i need to increase cpu voltage. How much should i increase? 1v 0.1v 0.01V 0.001v ? ( Probably not 1v im not that dumb )

The very smallest increment that your motherboard allows.

And how much does increasing latency from 9-9-9-24 to 10-10-10-30 affect performance. Anyhing noticble?

It will affect your benchmarks, but in day to day usage, you probably won't notice a slight change like that.

And also.. My ram has some basic heatsinks. Like a metalpiece on the modules so is it safe to set lateny from a 9 latency to a 8 latency. Will this overheat the modules or what?

You're not actually setting the latency (though latency is affected), you're setting the access and response time of the RAM. Changing it down to 8 would probably only cause more problems, unless your sticks are rated for it. They put those timings on your sticks for a reason. That's the fastest that they can run under normal circumstances, and they're usually XMP settings. The modules usually don't overheat unless you're overclocking the RAM, or you have set the voltage higher than spec. I don't suggest that you do either of those. If anything, I would relax the timings and see where that gets you with Prime.

 

[sisrace]

Sooo... What should i set ram voltage to?

No more than its maximum rated voltage.

IF i need to increase cpu voltage. How much should i increase? 1v 0.1v 0.01V 0.001v ? ( Probably not 1v im not that dumb )

The very smallest increment that your motherboard allows.

And how much does increasing latency from 9-9-9-24 to 10-10-10-30 affect performance. Anyhing noticble?

It will affect your benchmarks, but in day to day usage, you probably won't notice a slight change like that.

And also.. My ram has some basic heatsinks. Like a metalpiece on the modules so is it safe to set lateny from a 9 latency to a 8 latency. Will this overheat the modules or what?

You're not actually setting the latency (though latency is affected), you're setting the access and response time of the RAM. Changing it down to 8 would probably only cause more problems, unless your sticks are rated for it. They put those timings on your sticks for a reason. That's the fastest that they can run under normal circumstances, and they're usually XMP settings. The modules usually don't overheat unless you're overclocking the RAM, or you have set the voltage higher than spec. I don't suggest that you do either of those. If anything, I would relax the timings and see where that gets you with Prime.

Um... If i set the Ram to 1866Mhz is that one of your Option 1 or 2? ( Signature joke )
But seriously is it something that is recomenden or is it very bad.?

How do i know the Maximum ram voltage?

If i know the Max ram voltage. Should i just set it to the max and not care about that anymore?


Also.. How do you messure Ram heat without a Laser thermometer

 

[Mellon Head]

Um... If i set the Ram to 1866Mhz is that one of your Option 1 or 2? ( Signature joke )
But seriously is it something that is recomenden or is it very bad.?

If you want to cause yourself more problems, by all means, set the RAM to 1866.

How do i know the Maximum ram voltage?

If i know the Max ram voltage. Should i just set it to the max and not care about that anymore?

Go to the manufacturer's (I assume it's Crucial by your system specs) website and look up your RAM. It should tell you the specs and voltage that you need to set it to run at 1600MHz. That is probably its XMP setting. If you want the RAM to run at its XMP settings (fastest possible), you need to set the voltage and timings to what the manufacturer tells you to in their spec. You can also use CPU-Z to look at your RAM specs. There is also usually a sticker with this information on your RAM sticks. It will show you the XMP settings and voltage as well. Do NOT set the RAM voltage higher than spec if you want the RAM to last long.

RAM Memory Upgrade: Dell, Mac, Apple, HP, Compaq. USB drives, SSD at Crucial.com

Also.. How do you messure Ram heat without a Laser thermometer

The best way I know of is with a laser thermometer, but really, unless you're overclocking your RAM, heat won't really be an issue.

 

[sisrace]

Um... If i set the Ram to 1866Mhz is that one of your Option 1 or 2? ( Signature joke )
But seriously is it something that is recomenden or is it very bad.?

If you want to cause yourself more problems, by all means, set the RAM to 1866.

How do i know the Maximum ram voltage?

If i know the Max ram voltage. Should i just set it to the max and not care about that anymore?

Go to the manufacturer's (I assume it's Crucial by your system specs) website and look up your RAM. It should tell you the specs and voltage that you need to set it to run at 1600MHz. That is probably its XMP setting. If you want the RAM to run at its XMP settings (fastest possible), you need to set the voltage and timings to what the manufacturer tells you to in their spec. You can also use CPU-Z to look at your RAM specs. There is also usually a sticker with this information on your RAM sticks. It will show you the XMP settings and voltage as well. Do NOT set the RAM voltage higher than spec if you want the RAM to last long.

RAM Memory Upgrade: Dell, Mac, Apple, HP, Compaq. USB drives, SSD at Crucial.com

Also.. How do you messure Ram heat without a Laser thermometer

The best way I know of is with a laser thermometer, but really, unless you're overclocking your RAM, heat won't really be an issue.

http://www.crucial.com/pdf/productFlyer/Ballistix_Sport_ProductFlyer_Letter-EN.pdf

There. It said on the webiste it uses 1.35v but there ^ it says 1.5V

1866Mhz overclock not recomenden by you?

Cpu voltage the smalles bumb in possible

 

[Mellon Head]

http://www.crucial.com/pdf/productFlyer/Ballistix_Sport_ProductFlyer_Letter-EN.pdf

There. It said on the webiste it uses 1.35v but there ^ it says 1.5V

It depends on what model of RAM you have. Which one in that flyer is yours? Try pulling a RAM stick and looking for a tag or label, like mine has:



Notice the timings and voltage marked on the tag. Yours should have something similar on it, I would think.

1866Mhz overclock not recomenden by you?

No, I don't recommend it.

Cpu voltage the smalles bumb in possible

Try the RAM first before you do the CPU voltage. Only do one thing at a time.

 

[sisrace]

put the Ram voltage to 1.5 instead of auto.. wich.. Sure was set to 1.5v
Also i changed the Ram to exact 1600Mhz. Instead of auto wich kept it at 1602Mhz and stuff..
After about 10 minutes one core died
After 30min the program still ran fine exept for the one crahsed core..

Temperature got a highest peak of 45c wich lasted for a fraction of a second. Otherwise both speedfan and core temp said it was at 41c all the time..
Highest fan rpm was 990Rpm

 

[Mellon Head]

What did you set the RAM timings to?

 

[sisrace]

What did you set the RAM timings to?

Unchanged. Trying every little step by step..

Also.. Cpu Vcore should i set it to 0.075v ( lowest possible )
instead of auto?

 

[Mellon Head]

What did you set the RAM timings to?

Unchanged. Trying every little step by step..

Also.. Cpu Vcore should i set it to 0.075v ( lowest possible )
instead of auto?

The timings might be unchanged, but what are they set to? What are the numbers?

Don't touch the VCore yet. Let's work on the RAM first.

 

[sisrace]

I said i didnt touch the timings they are still at 9-9-9-24

 

[Mellon Head]

OK, good. Now try setting the timings to 9-9-9-28 and run Prime again.

 

[sisrace]

OK, good. Now try setting the timings to 9-9-9-28 and run Prime again.

ok sir. I shall do what you said when im home from school

 

[Mellon Head]

Did you try it? Did it help?

 

[sisrace]

i tryed it 9-9-9-25
It could run prime for a lot longer but it did the same thing. Should i go for 10-10-10-something? now

 

[Mellon Head]

All right, try for 10-10-10-30 and see what happens. We'll start high and move down.