You might want to add in that the base RPM by default is 2000. OF course, you can set it anywhere in the range you want to, but, if you run on batteries a lot, the higher the base RPM, the cooler the GPU but the greater the drain on battery.
Sincerely, The Constantly Barefooted Ray!!! Now a very proud and happy Mac user!!! Skype name: barefootedray Facebook: facebook.com/ray.foretjr.1 On May 24, 2011, at 9:31 PM, CJ Daniel wrote: > Ray, > > That's great! I hadn't gotten that scientific in my approach, yet. I have > started keeping a post, from time to time, that has something that I know I > will refer to in the future. I'm going to add this post to that file. > > Again, thanks, > > CJ > > > On May 24, 2011, at 5:25 PM, Ray Foret Jr wrote: > >> Yeah, that was what I sort of gathered too. Bear in mind the fact that I do >> not remember what the default low and high threshhold settings are. The >> forum I saw did not seem to reveal those. Here's what my playing around >> with the app seemed to reveal. >> >> 1. The lower you set the low threshhold, the more likely your fans are to >> push harder to keep your GPU cooler. That's because the lower threshhold >> sets the trigger temperature at which the fans begin to come out of their >> base RPM settings. The trade off is that if you set the low threshhold at >> 100%, the fans are more likely to stay at or else very close to the base RPM >> settings. That's because at the low threshhold settings, the fans are >> triggered to come out of their base RPM's becaus that threshhold setting >> will most always override the base RPM settings. >> >> 2. The high threshhold setting is the setting at which the fans are >> triggered in to their maximum number of possible RPM settings. This is the >> setting at which the temperature of the GPU is judged to be hot enough to >> cause this trigger point to occur. If this high threshhold is set all the >> way down to 0% (158DegreesF) the fans will trigger to their maximum RPM >> settings every single time you run an app or a process which pulls on the >> GPU. If, for example, you cause your GPU to attain a temperature of >> 159DegreesF, and your high level threshhold is set to 0% on the slider, >> (158DegreesF) the fans will be caused to assume their maximum number of >> RPM's very rapidly. >> >> In order to determin the best and most sensable settings for your fans >> if using fan control, try the following method: >> >> 1. Launch Fan control. >> >> 2. Launch the app which you know pulls hardest on your GPU. >> >> 3. Within that app, begin the process which you know causes the hardest >> pull on your GPU. >> >> 4. Now, command tap to the Fan control window and carefully monitor the >> temperature progress bar which can be found next to the RPM bars of each of >> your fans. Note the highest temperature settings for each fan bar; or, if >> your Mac has only one fan, monitor that temperature bar and do so very >> closely. Make note of the highest temperature attained. >> >> 5. Now, do the same for the normal stand by conditions you have when you're >> just letting your Mac sit there or doing some light task which does not pull >> hard on the GPU. >> >> 6. Now, armed with that data, Set your low threshhold to the percentage >> which best matches that stand by temperature. >> >> 7. Now, taking your high temperature data you aquired earlier, set your >> high threshhold to the point of percentage which best matches it. >> >> HTH. >> >> >> Sincerely, >> The Constantly Barefooted Ray!!! >> >> Now a very proud and happy Mac user!!! >> >> Skype name: >> barefootedray >> >> Facebook: >> facebook.com/ray.foretjr.1 >> >> >> >> On May 24, 2011, at 6:47 PM, CJ Daniel wrote: >> >>> Ray, >>> >>> Thanks for sharing those settings. In all these replies, I've sensed that >>> some folks think their fans are only coming on when the machine is hot. >>> Based on my research, my machine & a lot of posts on the subject elsewhere >>> on the net, I'm pretty sure that what their perceiving as the fan coming on >>> is actually the fan in High Threshold Mode @ really high RPM's. When in >>> fact, the sound probably associated with the laptop's general operations is >>> the fan in normal mode. >>> >>> >>> CJ >>> On May 24, 2011, at 4:25 PM, Ray Foret Jr wrote: >>> >>>> Yep. Let me tell yuh, when you look at the teps your GPU is running at, >>>> it's mighty frightening. My lwo threshhold is set to 140Degrees f, and >>>> that's the 100% setting on the slider. My high threshhold is set to 60% >>>> which is 180DegreesF. The default base RPM setting is 2000, according to >>>> a forum I looked at. >>>> >>>> >>>> Sincerely, >>>> The Constantly Barefooted Ray!!! >>>> >>>> Now a very proud and happy Mac user!!! >>>> >>>> Skype name: >>>> barefootedray >>>> >>>> Facebook: >>>> facebook.com/ray.foretjr.1 >>>> >>>> >>>> >>>> On May 24, 2011, at 6:18 PM, Kimberly thurman wrote: >>>> >>>>> C.J., thanks for this. I will give it a look. :) >>>>> On May 23, 2011, at 10:50 PM, CJ Daniel wrote: >>>>> >>>>>> Kimberly, >>>>>> >>>>>> Since that post, I've figured out some of the answers. First, >>>>>> SMCFanControler doesn't work with VoiceOver. But, FanControler version >>>>>> 1.2 does. I'd tried it earlier & couldn't figure where it disappeared >>>>>> too, after the install. I went back & did some more checking. Well, >>>>>> long story short, after it's installed it appears, as a button, in the >>>>>> system's preferences. >>>>>> >>>>>> You simply click it & then you can set the base RPM for your fans, the >>>>>> low range of temp @ which the fans cut in & the high range @ which they >>>>>> go in to hyper drive. It's working flawlessly & my machine is already >>>>>> cooler. I shudder to think @ what temp it has been running. >>>>>> >>>>>> Apparently, judging from all the posts that I found on the subject. >>>>>> it's a pretty common problem. I'm going to do some more research & try >>>>>> running my Mac on the AC power with out the battery installed. If >>>>>> anyone else has any other thoughts, then please join in. >>>>>> >>>>>> CJ >>>>>> >>>>>> >>>>>> On May 23, 2011, at 7:33 PM, Kimberly thurman wrote: >>>>>> >>>>>>> My Macbook Pro only gets hot when I run Windows in VMware Fusion while >>>>>>> I am also charging it. Once it gets so hot, speech does tend to >>>>>>> stutter. I have 8 gigs of ram and my unit is a late 2009 Macbook Pro >>>>>>> 13 inch. If I just run OSX, my MPB stays as cool as can be. >>>>>>> On May 23, 2011, at 9:47 PM, CJ Daniel wrote: >>>>>>> >>>>>>>> Hello All, >>>>>>>> >>>>>>>> My Macbook III Pro gets hot. I'm talk'n hot! I mean it's Saturday >>>>>>>> night in Chicago in the Roaring 20's hot. >>>>>>>> >>>>>>>> When it happens, the machine in general & VO in particular just don't >>>>>>>> function so well. So, I found a program called SMCFanControler. >>>>>>>> Unfortunately, when I try to run the application, VO just tells me >>>>>>>> that SMCFanControler doesn't have any windows. Anyone else dealing >>>>>>>> with a hot Mac, a nonfunctioning fan controller problem? Inquiring >>>>>>>> minds & burning hot pants want to know! >>>>>>>> >>>>>>>> Thanks for any advice, >>>>>>>> >>>>>>>> CJ >>>>>>>> >>>>>>>> P.S. Does anyone smell something burning? >>>>>>>> >>>>>>>> >>>>>>>> -- >>>>>>>> You received this message because you are subscribed to the Google >>>>>>>> Groups "MacVisionaries" group. >>>>>>>> To post to this group, send email to macvisionaries@googlegroups.com. >>>>>>>> To unsubscribe from this group, send email to >>>>>>>> macvisionaries+unsubscr...@googlegroups.com. >>>>>>>> For more options, visit this group at >>>>>>>> http://groups.google.com/group/macvisionaries?hl=en. >>>>>>>> >>>>>>> >>>>>>> -- >>>>>>> You received this message because you are subscribed to the Google >>>>>>> Groups "MacVisionaries" group. >>>>>>> To post to this group, send email to macvisionaries@googlegroups.com. >>>>>>> To unsubscribe from this group, send email to >>>>>>> macvisionaries+unsubscr...@googlegroups.com. >>>>>>> For more options, visit this group at >>>>>>> http://groups.google.com/group/macvisionaries?hl=en. >>>>>>> >>>>>> >>>>>> -- >>>>>> You received this message because you are subscribed to the Google >>>>>> Groups "MacVisionaries" group. >>>>>> To post to this group, send email to macvisionaries@googlegroups.com. >>>>>> To unsubscribe from this group, send email to >>>>>> macvisionaries+unsubscr...@googlegroups.com. >>>>>> For more options, visit this group at >>>>>> http://groups.google.com/group/macvisionaries?hl=en. >>>>>> >>>>> >>>>> -- >>>>> You received this message because you are subscribed to the Google Groups >>>>> "MacVisionaries" group. >>>>> To post to this group, send email to macvisionaries@googlegroups.com. >>>>> To unsubscribe from this group, send email to >>>>> macvisionaries+unsubscr...@googlegroups.com. >>>>> For more options, visit this group at >>>>> http://groups.google.com/group/macvisionaries?hl=en. >>>>> >>>> >>>> >>>> -- >>>> You received this message because you are subscribed to the Google Groups >>>> "MacVisionaries" group. >>>> To post to this group, send email to macvisionaries@googlegroups.com. >>>> To unsubscribe from this group, send email to >>>> macvisionaries+unsubscr...@googlegroups.com. >>>> For more options, visit this group at >>>> http://groups.google.com/group/macvisionaries?hl=en. >>> >>> >>> -- >>> You received this message because you are subscribed to the Google Groups >>> "MacVisionaries" group. >>> To post to this group, send email to macvisionaries@googlegroups.com. >>> To unsubscribe from this group, send email to >>> macvisionaries+unsubscr...@googlegroups.com. >>> For more options, visit this group at >>> http://groups.google.com/group/macvisionaries?hl=en. >> >> >> -- >> You received this message because you are subscribed to the Google Groups >> "MacVisionaries" group. >> To post to this group, send email to macvisionaries@googlegroups.com. >> To unsubscribe from this group, send email to >> macvisionaries+unsubscr...@googlegroups.com. >> For more options, visit this group at >> http://groups.google.com/group/macvisionaries?hl=en. > > > -- > You received this message because you are subscribed to the Google Groups > "MacVisionaries" group. > To post to this group, send email to macvisionaries@googlegroups.com. > To unsubscribe from this group, send email to > macvisionaries+unsubscr...@googlegroups.com. > For more options, visit this group at > http://groups.google.com/group/macvisionaries?hl=en. -- You received this message because you are subscribed to the Google Groups "MacVisionaries" group. 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