Mysterious temps?

Soldato
Joined
5 Sep 2009
Posts
2,584
Location
God's own country
Hi all, new member so plz be gentle. ;)

My new build is
Asus P5Q Pro Turbo mb, E7500, OCZ Reaper PC8500 X-fire ram, 120mm fans front & back + 80mm side fan and I seem to be having a few problems.
Keep getting random crashes and after running Speedfan a while (running Prime95) I can see the CPU temp suddenly hitting 117 degrees for no apparent reason even though it's saying both cores are in the mid 30's.
It seems pretty random that this happens, any ideas?
I've backed off to stock settings but still get this and 117C kind of freaks me out a little.

Cheers,
Neil.
 
Welcome :)

Have you tried running Coretemp, and seeing what it reports? Speedfan is garbage imo. What heatsink are you using? You could also download HWMonitor and have a look at the rest of your system temps. If possible could you put up a screen shot of either core temp or HWMonitor?

HWMonitor

Coretemp
 
Wow, thx for the fast reply!
I'll run HWmonitor, speedfan for reference and Prime95 and post some screenshots.
Thx man.
Oh also, does anyone know why if I drop my multiplier from 11X to 10X and keep my Ram above 800mhz I get "overclock failed" with this MB? To be honest, I was expecting a lot more from this board, but any deviation from auto seems to give me a fail.
 
Yeah, if you lower the multi, but increase the FSB (Frontside Bus) to maintain the same overclock, then this affects the memory dividers, and as such the memory becomes overclocked. For the memory error, just post up the main settings you use in the BIOS ie timings and voltages etc.

But get the screenshot up and that way we can see if it's speedfan being crap or if the socket temp is too high. The socket temp is what the standard 'CPU' temperature relates to, and it should normally be below the core temps.
 
Last edited:
Yeah, am I right in thinking that if I lower my multiplier to X10 and raise my bus spd to 330 then my cpu is running at 3.3 while my RAM will be running at 3:5 = 1100 which should be cool for the OCZ 1066?
These seem like pretty tame oc's to me, but I am new to this.
I tried this and raised Vcore to 1.27 and RAM voltage to 2.2 to see if this helped.
But I get random blue screens although I've backed it off, even when surfing.
 
Does anything look obviously wrong with this?
Also, is there any reason for me to not use the BIOS auto voltage setting?
I only ask 'cause I think that's where I think I may have buggered things up. :o




Thanks. :D
 
When I used auto voltages on my motherboard (albeit its quite a lot older than yours), and it put the cpu voltage (vcore) up to 1.4v, when I tweaked manually I could achieve that same overclock at 1.2v with ~10*C+ temperature differential..
 
Last edited:
Using auto for your voltages isn't a good idea mate, with my i7 system, if I leave Vcore on auto and have a mild o/c of 3GHz, my mobo will put Vcore right up to 1.35v, when I only need like 1.185v Vcore (it might actually be less than this, it was a while ago when I had it at 3GHz) to be stable...
 
At a certain point, when raising the fsb, overclocks will start becoming unstable, at this point you will have to up the northbridge/chipset voltage's.

For example on my motherboard anything below 400fsb will be fine for stock chipset voltages, 400+ and i have to start adding to the volts.

Its worth a shot to see if that helps with stability
 
Atm I've got the BIOS set to auto, you guys think I should set Vcore to 1.15 and work up from there? If I fail with Prime95 then up the voltage 1v each time?
Thanks for the help chaps.
 
Yeh allways best to change the voltages urself, u will use less then having it on auto.

well not 1v at a time, .1 or what ever ur incremeants are like..
 
Back
Top Bottom