I bought this wonderful Q9550 yesterday, and i realized that at default 2.83 idle temperatures, was
Core0:48
Core1:41
Core2:44
Core3:44
Is that normal on the default fan ??
Your idle temps no doubt are with the stock heatsink. The stock heatsinks for the 45 nm Intel CPU's are smaller than those with the original 65 mn Core2's. They are good for running at speeds.
I have higher temps on idle at default clock speed 2.83 ghz.
usually 43 or 45 on all cores except core 0 being always hotter.
I'm running the stock cooler too.
But it doesn't matter to me because whatever I do the temps never go above 68, and that only happens when I render on a 3d app. While playing games it goes to 55 .
Anyway, why don't you run on speed step?
Well my main purchase of this quad, was to get FSX to run like a bullet. Yesterday i did a flight, and i monitored the temperature, it was ranging from 59 to 64 Oced to 3.0GHZ, and i noticed a small performance jump,there was no difference between 2.8GHz and 3.0 in FSX.
I have just read about speed steep on Intel website, it seems that speed steep lower voltage and FSB to conserve and save your power, and i don't need that...
Well my main purchase of this quad, was to get FSX to run like a bullet.
Captain,
FSX is the most CPU bound title that you can run, so it doesn't run like a bullet on anything! However, if you want FSX to at least get up and go like and old pilot going to an unoccupied lavatory, then you'll need to do a whole lot better than 3.0 Ghz. FSX frame rate is ~ 85% dependent upon clock speed on a quad core, so you'll need to teach yourself how to do some serious overclocking. And, as has been suggested, you'll need some serious cooling.
I've been a Flight Simulator enthusiast for 15 years, so I've built all my personal rigs specifically for that purpose. My old Q6600 rig @ 3.6 Ghz rendered fair FPS, my previous Q9650 rig @ 4.2 Ghz had good FPS, and my present i7 rig with hyperthreading @ 4.0 Ghz is better, but even with this amount of CPU horsepower, it goes more like a BB with a strong tail wind.
FSX runs best on a single GPU main-stream nVidia card. Upgrading to a high-end GPU can actually hinder performance, and SLI / CF / X2 GPU's will render even lower FPS due to increased CPU interrupts. See Tom's Gaming Graphics Charts - http://www.tomshardware.com/charts [...] 2,784.html
Comp
Message edited by CompuTronix on 10-05-2009 at 08:33:04 AM
I bought this wonderful Q9550 yesterday, and i realized that at default 2.83 idle temperatures, was
Core0:48
Core1:41
Core2:44
Core3:44
Is that normal on the default fan ??
That is high for default 2.83, I'm using a Xigmatek S1283 HDT cooler OCd to 3.83 idling at 41c across the board, highest Prime95 62c with a Vcore of 1.38750v, as suggested you need better cooling for sure.
CompuTronix has good advice on FSX performance and he is on the money with what he is telling you, another THGF FSX fan is ArthurH, you might PM him for some additional advice running FSX, he also is running a Q9550.
I'm using a Xigmatek S1283 HDT cooler OCd to 3.83 idling at 41c across the board, highest Prime95 62c with a Vcore of 1.38750v, as suggested you need better cooling for sure.
Captain,
Although the Xigmatek Dark Knight has already been recommended, it's essentially the same cooler as 4ryan6's HDT-S1283, which I'm also running, except I've modified mine for push-pull fans to drop my temps a few more degrees.
My point is that because the Dark Knight's surfaces are coated, it actually performs ~ 1c less efficiently than the HDT-S1283. Check out the comparisons at FrostyTech (DK-S1283) - http://www.frostytech.com/articlev [...] 383&page=5
And for a slightly less efficient cooler that looks cool, it's more expensive:
Just took a little forethought and time, and some old-world craftsmanship!
Absolutely!
My Q9550 is the older stepping and I have to run a higher Vcore to get my OC than the new stepping requires, so the Xiggy base has been lapped, my CPUs heat spreader has been lapped, and the addition of a second 120mm fan to the Xiggy, has dropped my overall temps by 10c.
I didn't actually expect a 10c drop so I was quite pleased when all the efforts yielded what they did, I can clock it to 4G but it takes a 1.450v Vcore, and I don't want to run that high a Vcore 24/7, but without the modifications, No Joy!
Well my main purchase of this quad, was to get FSX to run like a bullet.
Yesterday i did a flight, and i monitored the temperature, it was ranging from 59 to 64 Oced to 3.0GHZ, and i noticed a small performance jump,there was no difference between 2.8GHz and 3.0 in FSX.
I have just read about speed steep on Intel website, it seems that speed steep lower voltage and FSB to conserve and save your power, and i don't need that...
well let me educate you, speed step runs when the pc is at idle state,and it also makes your cpu cooler. When you do something with your pc , the cpu goes in normal speed. So you don't need to worry that your cpu is running slower.
the Xiggy base has been lapped, my CPUs heat spreader has been lapped, and the addition of a second 120mm fan to the Xiggy, has dropped my overall temps by 10c.
Excellent! I haven't lapped, because very fortunately, upon close visual inspection across 12 planes with an engineer's straight edge, both surfaces appeared to be extremely flat. This was confirmed by checking the dispersal pattern of the thermal compound, which was perfect.
Since the Xiggy HDT-SD964, (which was my previous cooler ... it's a long story), is their only model that's designed for a push-pull configuration, it's packaged with 9 rubber fan grommets, of which 4 were given a new home. I measured and drilled through the first 5 fins in each outflow corner, Dremelled the fin spacers, then used fine snips and a flat jewlers file so as to duplicate the fins on the inflow corners.
After straightening the fins with needlenose pliers, I simply inserted 8 grommets, then mounted twin 77 CFM blue LED fans, just as if Xigmatek designed it that way! Piece Of Cake! My push-pull HDT-S1283 at 22c ambient dropped 6c during Prime95 Small FFT's, as compared to the push-pull HDT-SD964 at 22c ambient with twin 68 CFM fans ... thank you very much ... I'll take it!
Message edited by CompuTronix on 10-06-2009 at 02:35:26 PM
Impressive heatsink mod Comp, I only had 4 of the rubber fan mounting grommets with my S1283 so I turned the 120mm intake fan around to make it exhaust, reverse mounted the heatsink, and mounted a 120mm intake fan directly almost touching the Xiggy about 1/8th inch clearance using a Zalman fan mount bracket.
Effectively giving me the push pull but only one fan is hard mounted to the heatsink.
------------------------------Badges? We don't need no stinkin' badges!
Reply to 4ryan6