catalyst and win 7

[oldtroll]

I have radeon 4850 packaged by XFX, Catalyst shows no fan speed...but I can manually speed up the fan. When I run overdrive in auto tune in drops my core clock to 165 mhz and if I do it manually it shows no change in current settings
Anyone else. I have a Foxconn mobo A7da-S, Phenom II 940 CPU, inwin 750 watt psu, 8gigs ocz platinum

[BenF]

Welcome to OCforums!

I'm not sure why the CCC wouldn't show fan speed. Are you possibly looking at the activity dial that is in the middle instead of the fan which is at the bottom?

For overclocking I have never had any luck with the automatic clocking features. I'd recommend just doing it manually. It doesn't take too long and you'll get better results. Bump just the core clock up by 10mhz and run a benchmark to test for stability (3dmark, furmark, etc..). Continue to bump it up and test until you see artifacts on your screen (weird colors, or sections that aren't rendered correctly). At that point back your core clock down 10mhz and leave it there. Do the same process with the memory clock.

The unchanged clocks you are seeing in CCC are from the card being in 2d mode which saves energy and lowers idle temps. As soon as you start up a 3d application it'll switch to 3d mode with the clocks you set. If you want to avoid this and get rid the the max clocks limits CCC gives you try using rivatuner. Link: http://downloads.guru3d.com/RivaTuner-v2.24b-download-163.html. When you install rivatuner be sure to do the automatic update. If you don't you'll get errors from windows about unsigned drivers.

[oldtroll]

Thanks for the response... as you seem to know a thing or two and i don't i'll hit you with another question.... 8 gigs of 1066? called ocz they said the phenomII wont support 4 dimms and amd says it will... waiting for 4 sticks of g. skill as i have read that this is the brand that the few people have had luck getting to work used... some have used other brands but most of the post I see that are successful used g.skill The last puter I oc'd was a pentium on a asus board with a 9600 gt had the 3.0 running at 3.6 stable could go 3.9 but flaky) had the ocz running at 10+ and it was easy... i'm getting old and out of the loop but built this machine to toy around with.... gonna need some schooling

[BenF]

AMD blames the mobo manufactures and they blame AMD. I have also been unable to set my ram at 1066 (4 dimms, 2gb per dimm). I am able to set my ram to run at 800, but then I bump my HTT up to 266 to bring it up to 1066. You'll just have to adjust your multiplier to bring the CPU back to the speed you want. Your mobo and cpu will clock great, getting it up to 3.7-3.8 completely stable shouldn't been much of a problem. Check out this guide written by Dolk: http://www.ocforums.com/showthread.php?t=596023. It goes over the phenom IIs quite well :)

[oldtroll]

ok.... read some of that (scratches his head) got some studying to do. This should be interesting... thanks for the link (looks like home work)will keep you posted.

[oldtroll]

ok.... got the g. skill ram.... wont post at all with that stuff back to ocz.... i can get 2 dimms of it to run at 1066... the Dolk link seems to be a little over my head... need a primer course i think.... getting old and slow in the head