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#21
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CPU Install question
Flasherly wrote:
On Thu, 29 Jan 2015 05:05:36 -0500, Paul wrote: I wouldn't leave it hiccuping like that, if it was my rig. I'd want to know "why". Or cut off, from a mylar connector on the PS unit, and solder leads to a mini-MB fan connector. Forgoing the control factors for speed or RPM monitoring. You don't want to run the Corsair fans at 100%, because they're "vacuum cleaner fans". They're like the old Dell fans, designed to work into a high resistance load, and when spooled up, would be obnoxious. (Things would be different, if Corsair selected a larger fin spacing on the cooler, but that in turn reduces cooler performance. The vacuum cleaner design idea, is for high performance systems.) The fans really should be controlled by a PWM system, to prevent damage to the fan (from using voltage-mode control - you're not supposed to run PWM fans off voltage-mode control). You run a PWM fan off a full 12V, with the purpose being so the control transistor has enough voltage for proper saturated operation. If you supply the 12V PWM fan from a 7V or 5V source, the control transistor might heat up on it. So if you want to adjust the speed of a PWM fan, run it off 12V and use the PWM control as intended. (I think I got these recommendations from some official document. Like the Intel PWM spec.) Just make sure you have enough four pin PWM headers (with working PWM), to pull it off. I think that's why the Corsair kit comes with a Y cable, to provide PWM control to two fans at the same time. To conserve headers. ******* This is from a Dynatron PWM fan spec. (Cannot figure out where I got the spec.) Fan operating voltage shall be 12V +/- 1.2V So they don't want reduced voltage operation. Duty cycle 0-20% 1000RPM +/- 200RPM Duty cycle 50% 1800RPM Duty cycle 100% 2500RPM The first line basically says the fan remains spinning when the PWM control is at 0% setting. So the fan does not stop. And Dynatron references the Intel fan spec (but doesn't name the document). The Dynatron behavior, matches figure 3 on page 14. Formfactors is an Intel site for defacto standards. http://formfactors.org/developer/spe...e_PWM_Spec.pdf Paul |
#22
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CPU Install question
On Thu, 29 Jan 2015 10:47:01 -0500, Paul wrote:
You don't want to run the Corsair fans at 100%, because they're "vacuum cleaner fans". They're like the old Dell fans, designed to work into a high resistance load, and when spooled up, would be obnoxious. (Things would be different, if Corsair selected a larger fin spacing on the cooler, but that in turn reduces cooler performance. The vacuum cleaner design idea, is for high performance systems.) Right. CORSAIR Hydro Series H105 Extreme Performance 240mm Liquid CPU Cooler, CW-9060016-WW Sweet setup. Shouldn't be awhile before considering "modifications," were those Dynatrons exhibit wear (at $109US, holy cow, awhile...or more). Its self-contained water pump (not adjustable) might be another matter, tho. Believe I may have bought a Dynatron fan before, or at least heard of them. That intricate of modern modular system, when retrospectively looking at just about a whole case, in itself, to contain some of the older water systems, of course, PWM and advancements being what they are... Anything less than that pump, though, I'd be tempted or think to purchasing it with a mind to swapping stock voltage controlled fans (for finding one with a suitable rating). Only the H105 isn't so much about that;- looking over that product reminds me of higher, higher-end passive heatwick pipes for that grade of processor, its intent, nor would come especially cheap, either...well within or near to H105 costs. Saying earlier in some unrelated context I'd buy, offhand, a self-contained waterblock CPU cooler, all else being equal (to my thinking, provided quite a few steps below in processors, considering the H105's intents, for roundabout sub-$50 purposes). The H105, however, I'd be busy for some time collecting information and making notes from reviews. Quite. I haven't even have half a mind for a suitable processor, in the first place, to place the class of cooling with. (Being all I've ever used, I'd probably be skewed to air;- Piped heatwicking, withstanding, water in any volume would be a different perspective, to say the least.) |
#23
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CPU Install question
Bill wrote:
One more question please. The fans on the H105 are "PWM". Do you think it is normal for 1 fan of the 2 radiator fans on the H-105 to run while the other sits and maybe just "jiggles" a little (at low speeds). That is what drew my attention to it in the first place, is that I could hear some very, very light sounds (of the 2nd fan sort of trying). They both run together at slightly higher speeds/heat. I'm rewriting the following part: The two fans are co-joined by a "Y-cable" (a term I picked up from Paul), and are attached to the 4-pin CPU_OPT header. I'm not sure about the number of pins of the fans (the picture Paul posted indicates they are 4-pin). So far, I'm assuming that the fans are slightly out of sinchronization with sensitivity to voltage. You both provided me with plenty of reading to think through (I haven't done that part yet)! Thank you! Bill |
#24
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CPU Install question
Paul wrote:
If it was my rig: 1) Pumps runs at constant speed. The three pin header for it likely doesn't have voltage adjustment in hardware anyway, so this should be easy to meet. Verify, using Speedfan, that the pump is in the right RPM range. If too high, there could be air in the liquid loop. If too low, it could be that the header isn't delivering +12V. 2) If I had the headers, I'd run the two fans separately. But that would complicate fan control. It isn't that common to have control software that couples two headers in terms of settings and makes them do the same thing. I expect that's why Corsair provided that Y cable. You can use the Y cable if you want, but just make sure the fan runs properly. I have the H105 pump connected to CPU_FAN, and it runs very consistently at about 1850 RPM invariant of the conditions (clearly pumping the water through the radiator faster won't improve cooling very much!). The two Corsair PWM fans are connected via a Y-cable to the CPU_OPT connector. The fans definitely both go to 0 RPM at idle sometimes (this was much of the appeal of the cooler to me in the first place--that is was PWM managed, unlike all, or at least most, of it's Corsair siblings). Even if the 2nd fan isn't hiccupping trying to start, I've observed that it still pulses sometimes at lower speeds. Using FanSpeed, I observed the first fan running at 668 RPM, while the 2nd fan hiccupped. The RPM specifications for the fan is 800-2700 RMP (+/- 10%). This is outside that range. I have observed that they are plenty of H105 owners with "pulsing fans". Strangely, it gets mentioned more in forums than in online reviews. One person went through 3, and they all shared the same issue. I looked in the BIOS for a way to set a minimum fan speed (and didn't find one--it does show the fan speed 1336 RPM at boot). I'll keep working on this. I regard it more of a 2nd tier problem than a 1st tier problem, i.e. I'm not going to let it keep me from getting my work done. I'll keep looking for a software solution. Gigabyte provides ways to speed up their motherboard, so maybe their is something handy for fans (I wish to increase the minimum fan speed)! My 2 case fans (front and back) are actually controlled by a 3-option switch (for a 4-fan controller) on the top of the case and are not attached to the motherboard at all. The high, medium, low settings are not so much different. Of course, I could connect them to the motherboard if I wanted to. I'm just a novice, so please let me know if I'm messing up anywhere. I.e., I am Not speaking as an authority! -------------------------- I enjoyed playing with, I mean working with, the Prime95 program. Of course it trys to run all 8 cores at 100%. I believe I chose what was called the "balanced" configuration. Using a i7-4790K CPU with the H-105 case: The (core) temperatures quickly rose to the 51-56 range-with Fan RPM of 2000, and then a few minutes later increased to a max of 73 (mean 71)-with RPM of 2500, and within a few more minutes settled to 50-55 again, and pretty much stayed there. I'm guessing the hardware was smart enough to "back off a little" for the sake of the system. This makes me that much more satisfied. Cheers, Bill |
#25
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CPU Install question
Bill wrote:
I have the H105 pump connected to CPU_FAN, and it runs very consistently at about 1850 RPM invariant of the conditions (clearly pumping the water through the radiator faster won't improve cooling very much!). The two Corsair PWM fans are connected via a Y-cable to the CPU_OPT connector. The fans definitely both go to 0 RPM at idle sometimes (this was much of the appeal of the cooler to me in the first place--that is was PWM managed, unlike all, or at least most, of it's Corsair siblings). Even if the 2nd fan isn't hiccupping trying to start, I've observed that it still pulses sometimes at lower speeds. Using FanSpeed, I observed the first fan running at 668 RPM, while the 2nd fan hiccupped. The RPM specifications for the fan is 800-2700 RMP (+/- 10%). This is outside that range. I have observed that they are plenty of H105 owners with "pulsing fans". Strangely, it gets mentioned more in forums than in online reviews. One person went through 3, and they all shared the same issue. I looked in the BIOS for a way to set a minimum fan speed (and didn't find one--it does show the fan speed 1336 RPM at boot). I'll keep working on this. I regard it more of a 2nd tier problem than a 1st tier problem, i.e. I'm not going to let it keep me from getting my work done. I'll keep looking for a software solution. Gigabyte provides ways to speed up their motherboard, so maybe their is something handy for fans (I wish to increase the minimum fan speed)! My 2 case fans (front and back) are actually controlled by a 3-option switch (for a 4-fan controller) on the top of the case and are not attached to the motherboard at all. The high, medium, low settings are not so much different. Of course, I could connect them to the motherboard if I wanted to. I'm just a novice, so please let me know if I'm messing up anywhere. I.e., I am Not speaking as an authority! -------------------------- I enjoyed playing with, I mean working with, the Prime95 program. Of course it trys to run all 8 cores at 100%. I believe I chose what was called the "balanced" configuration. Using a i7-4790K CPU with the H-105 case: The (core) temperatures quickly rose to the 51-56 range-with Fan RPM of 2000, and then a few minutes later increased to a max of 73 (mean 71)-with RPM of 2500, and within a few more minutes settled to 50-55 again, and pretty much stayed there. I'm guessing the hardware was smart enough to "back off a little" for the sake of the system. This makes me that much more satisfied. Cheers, Bill You could try the "blipping" fan by itself, with the good fan disconnected, and using just the one fan to cool the radiator. I do not recommend changing fan configuration while a system is running. Always shut down, if adding or removing the Y cable, or plugging or unplugging fans. I tried a "hot swap" once here, and the inrush of motor current, crashed the computer. So it's not really all that safe, to fiddle with those on a hot system. You would test the single fan, to see if the problem is related to two fans being on the same cable. Maybe a "pulse" of current drawn by one fan, causes the rail voltage on the second fan to change enough to cause the brushless DC motor to malfunction (not fire at the right point). I feel the electrical response curve for the fan invites this problem. If Corsair rates the fans for 800-2700 RPM, then with the PWM set to 0%, the fan should spin at 800. Rather than zero. What you're basically doing, is running the fan response curve through the point at which the motor won't start. Which is why it is blipping. You would need a motor with some sort of hysteresis in response, to not attempt to start until the PWM mediated motor voltage was above the recommended minimum internal value. You'd need whatever is adjusting the PWM pulse width, to go from 0% PWM to say 30% PWM, all in one jump, so the motor always starts cleanly. Which requires a level of control over the fan speed control system. I don't have a lot of experience with the fan adjustments (BIOS automated or via Speedfan). I use Speedfan once in a while for measurement, but not for adjustment. And I hardly ever enable BIOS fan speed control. In this case, I don't know what is adjusting your setup. Maybe it's a BIOS thing. Paul |
#26
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CPU Install question
Paul wrote:
Bill wrote: I have the H105 pump connected to CPU_FAN, and it runs very consistently at about 1850 RPM invariant of the conditions (clearly pumping the water through the radiator faster won't improve cooling very much!). The two Corsair PWM fans are connected via a Y-cable to the CPU_OPT connector. The fans definitely both go to 0 RPM at idle sometimes (this was much of the appeal of the cooler to me in the first place--that is was PWM managed, unlike all, or at least most, of it's Corsair siblings). Even if the 2nd fan isn't hiccupping trying to start, I've observed that it still pulses sometimes at lower speeds. Using FanSpeed, I observed the first fan running at 668 RPM, while the 2nd fan hiccupped. The RPM specifications for the fan is 800-2700 RMP (+/- 10%). This is outside that range. I have observed that they are plenty of H105 owners with "pulsing fans". Strangely, it gets mentioned more in forums than in online reviews. One person went through 3, and they all shared the same issue. I looked in the BIOS for a way to set a minimum fan speed (and didn't find one--it does show the fan speed 1336 RPM at boot). I'll keep working on this. I regard it more of a 2nd tier problem than a 1st tier problem, i.e. I'm not going to let it keep me from getting my work done. I'll keep looking for a software solution. Gigabyte provides ways to speed up their motherboard, so maybe their is something handy for fans (I wish to increase the minimum fan speed)! My 2 case fans (front and back) are actually controlled by a 3-option switch (for a 4-fan controller) on the top of the case and are not attached to the motherboard at all. The high, medium, low settings are not so much different. Of course, I could connect them to the motherboard if I wanted to. I'm just a novice, so please let me know if I'm messing up anywhere. I.e., I am Not speaking as an authority! -------------------------- I enjoyed playing with, I mean working with, the Prime95 program. Of course it trys to run all 8 cores at 100%. I believe I chose what was called the "balanced" configuration. Using a i7-4790K CPU with the H-105 case: The (core) temperatures quickly rose to the 51-56 range-with Fan RPM of 2000, and then a few minutes later increased to a max of 73 (mean 71)-with RPM of 2500, and within a few more minutes settled to 50-55 again, and pretty much stayed there. I'm guessing the hardware was smart enough to "back off a little" for the sake of the system. This makes me that much more satisfied. Cheers, Bill You could try the "blipping" fan by itself, with the good fan disconnected, and using just the one fan to cool the radiator. I do not recommend changing fan configuration while a system is running. Always shut down, if adding or removing the Y cable, or plugging or unplugging fans. I tried a "hot swap" once here, and the inrush of motor current, crashed the computer. So it's not really all that safe, to fiddle with those on a hot system. You would test the single fan, to see if the problem is related to two fans being on the same cable. Maybe a "pulse" of current drawn by one fan, causes the rail voltage on the second fan to change enough to cause the brushless DC motor to malfunction (not fire at the right point). I feel the electrical response curve for the fan invites this problem. If Corsair rates the fans for 800-2700 RPM, then with the PWM set to 0%, the fan should spin at 800. Rather than zero. What you're basically doing, is running the fan response curve through the point at which the motor won't start. Which is why it is blipping. You would need a motor with some sort of hysteresis in response, to not attempt to start until the PWM mediated motor voltage was above the recommended minimum internal value. You'd need whatever is adjusting the PWM pulse width, to go from 0% PWM to say 30% PWM, all in one jump, so the motor always starts cleanly. Which requires a level of control over the fan speed control system. I don't have a lot of experience with the fan adjustments (BIOS automated or via Speedfan). I use Speedfan once in a while for measurement, but not for adjustment. And I hardly ever enable BIOS fan speed control. In this case, I don't know what is adjusting your setup. Maybe it's a BIOS thing. Paul Paul, You've provided me with a lot of useful information. Thank you! You understand my issue better than I do! %-) You wrote: If Corsair rates the fans for 800-2700 RPM, then with the PWM set to 0%, the fan should spin at 800. -- If that happened, I don't think I would have any problem at all. Corsair would probably blame the motherboard maker (Gigabyte)! : ) Thank you too for mentioning other details about "hot swapping" fans. I would not have have been so "prudent". The "reviewer" who went through 3 units, ended up with a pair of these (Noctua NF-F12-PWM): http://www.newegg.com/Product/Produc...-026-_-Product He said his system ran a few degrees cooler with them. But I have to take one review with a grain of salt. Do you have an opinion whether that is a reasonable substitute? I notice it's rpm range only goes up to 1500 RPM, but I suppose the m^3/h might be a better basis for comparison--I just "guessed" what m3/h means! Learning in progress here! I note that's it's not cheap (about $60). I know Corsair has other fans people "upgrade" to as well (usually for quietness, I thought). I haven't done my homework on this. I'm still "configuring software" on two computers, this one and the one that is moving on to a new owner. For the first time, I'm trying this time to make proper use of admin and user accounts, something I've neglected doing in the past. I don't quite have all of the subtleties down yet! : ) Cheers, Bill |
#27
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CPU Install question
Bill wrote:
Paul wrote: Bill wrote: I have the H105 pump connected to CPU_FAN, and it runs very consistently at about 1850 RPM invariant of the conditions (clearly pumping the water through the radiator faster won't improve cooling very much!). The two Corsair PWM fans are connected via a Y-cable to the CPU_OPT connector. The fans definitely both go to 0 RPM at idle sometimes (this was much of the appeal of the cooler to me in the first place--that is was PWM managed, unlike all, or at least most, of it's Corsair siblings). Even if the 2nd fan isn't hiccupping trying to start, I've observed that it still pulses sometimes at lower speeds. Using FanSpeed, I observed the first fan running at 668 RPM, while the 2nd fan hiccupped. The RPM specifications for the fan is 800-2700 RMP (+/- 10%). This is outside that range. I have observed that they are plenty of H105 owners with "pulsing fans". Strangely, it gets mentioned more in forums than in online reviews. One person went through 3, and they all shared the same issue. I looked in the BIOS for a way to set a minimum fan speed (and didn't find one--it does show the fan speed 1336 RPM at boot). I'll keep working on this. I regard it more of a 2nd tier problem than a 1st tier problem, i.e. I'm not going to let it keep me from getting my work done. I'll keep looking for a software solution. Gigabyte provides ways to speed up their motherboard, so maybe their is something handy for fans (I wish to increase the minimum fan speed)! My 2 case fans (front and back) are actually controlled by a 3-option switch (for a 4-fan controller) on the top of the case and are not attached to the motherboard at all. The high, medium, low settings are not so much different. Of course, I could connect them to the motherboard if I wanted to. I'm just a novice, so please let me know if I'm messing up anywhere. I.e., I am Not speaking as an authority! -------------------------- I enjoyed playing with, I mean working with, the Prime95 program. Of course it trys to run all 8 cores at 100%. I believe I chose what was called the "balanced" configuration. Using a i7-4790K CPU with the H-105 case: The (core) temperatures quickly rose to the 51-56 range-with Fan RPM of 2000, and then a few minutes later increased to a max of 73 (mean 71)-with RPM of 2500, and within a few more minutes settled to 50-55 again, and pretty much stayed there. I'm guessing the hardware was smart enough to "back off a little" for the sake of the system. This makes me that much more satisfied. Cheers, Bill You could try the "blipping" fan by itself, with the good fan disconnected, and using just the one fan to cool the radiator. I do not recommend changing fan configuration while a system is running. Always shut down, if adding or removing the Y cable, or plugging or unplugging fans. I tried a "hot swap" once here, and the inrush of motor current, crashed the computer. So it's not really all that safe, to fiddle with those on a hot system. You would test the single fan, to see if the problem is related to two fans being on the same cable. Maybe a "pulse" of current drawn by one fan, causes the rail voltage on the second fan to change enough to cause the brushless DC motor to malfunction (not fire at the right point). I feel the electrical response curve for the fan invites this problem. If Corsair rates the fans for 800-2700 RPM, then with the PWM set to 0%, the fan should spin at 800. Rather than zero. What you're basically doing, is running the fan response curve through the point at which the motor won't start. Which is why it is blipping. You would need a motor with some sort of hysteresis in response, to not attempt to start until the PWM mediated motor voltage was above the recommended minimum internal value. You'd need whatever is adjusting the PWM pulse width, to go from 0% PWM to say 30% PWM, all in one jump, so the motor always starts cleanly. Which requires a level of control over the fan speed control system. I don't have a lot of experience with the fan adjustments (BIOS automated or via Speedfan). I use Speedfan once in a while for measurement, but not for adjustment. And I hardly ever enable BIOS fan speed control. In this case, I don't know what is adjusting your setup. Maybe it's a BIOS thing. Paul Paul, You've provided me with a lot of useful information. Thank you! You understand my issue better than I do! %-) You wrote: If Corsair rates the fans for 800-2700 RPM, then with the PWM set to 0%, the fan should spin at 800. -- If that happened, I don't think I would have any problem at all. Corsair would probably blame the motherboard maker (Gigabyte)! : ) Thank you too for mentioning other details about "hot swapping" fans. I would not have have been so "prudent". The "reviewer" who went through 3 units, ended up with a pair of these (Noctua NF-F12-PWM): http://www.newegg.com/Product/Produc...-026-_-Product He said his system ran a few degrees cooler with them. But I have to take one review with a grain of salt. Do you have an opinion whether that is a reasonable substitute? I notice it's rpm range only goes up to 1500 RPM, but I suppose the m^3/h might be a better basis for comparison--I just "guessed" what m3/h means! Learning in progress here! I note that's it's not cheap (about $60). I know Corsair has other fans people "upgrade" to as well (usually for quietness, I thought). I haven't done my homework on this. I'm still "configuring software" on two computers, this one and the one that is moving on to a new owner. For the first time, I'm trying this time to make proper use of admin and user accounts, something I've neglected doing in the past. I don't quite have all of the subtleties down yet! : ) Cheers, Bill That's a pretty fancy fan, as computer cans go. It makes a lot of claims about design, but it's coming from a computer fan maker. The airflow flat out is 93.4 m³/h. So that's hours, so I divide by 60 to get minutes. 1.56 Next, I need to convert cubic meters to cubic feet (for CFM). (39.37/12) ^ 3 = 35.3 cubic feet/cubic meter 1.56*35.3 = 55CFM Which seems a little high for a fan of that size, depth, and rotational speed. I would have guessed 35CFM. And the noise rating is also suspiciously low for a fan like that. 55CFM should be over 30dBa. One reviewer on the Newegg page, seems to think they don't have the rated static pressure. So they're not "vacuum cleaner fans". Again, the 22dBa rating suggests "wimps". If the current setup really needs all the fans can give, these won't be as good from a performance perspective. But they will be quiet (if the specs can be believed). The claim is, it has a 300RPM minimum speed (which I assume is at 0% PWM). So it follows the Intel recommended design. But, Noctua doesn't provide a simple fan speed curve to reinforce my observation. Considering the price of the original cooler, that's a relatively expensive upgrade. I suppose you could view it as giving you some fans for a future project, if the cooler (pump) ever wears out or leaks. ******* Purely as a joke, if you want a fan, *this* is a fan. What gives it the edge, is it is 37.5mm deep instead of 25mm. So it's thicker than your average fan. That's what helps the static pressure as well. They even make fans at 15mm thick, but those would have practically no pressure at all. http://www.circuittest.com/cfa121203...120mm-fan.html I have one of those. It was an impulse purchase at my local electronics store. I bought it, because at the time it was made of metal. So less smelly plastic to deal with. But boy, is it loud! And it has a static pressure rating of 5.6 mm H2O. So it's in the vacuum cleaner class. If you had two of those, you'd have to leave the room :-) I run that fan off 7V, to make it liveable. And at 1 amp current draw, you'd need a pretty nice rheobus to control it. I wouldn't run that off a motherboard header. In my case, it's powered off a Molex, and I've got a little circuit to give 7V. Since it's not PWM, I don't have to worry quite as much about running it at a lower voltage. I don't think those Noctua fans would be a bad purchase, but they may not give quite the same level of performance as the originals. To me, the specs don't add up, and common sense tells you they have to be less performing than the originals. As far as I know, there is only one fan design, that made an attempt at a departure from standard design. And that seems to have disappeared from the market. Its claim to fame, was controlling turbulence near the fan blade, by the smooth uniform air acceleration. The blade had a bit of a "cone" theme to it, as the design of the blade was defined by how it was to accelerate the air. Those fans were expensive too, but partially because they were made in Germany. I haven't seen any knockoffs or attempts to copy them. Paul |
#28
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CPU Install question
Paul wrote:
******* Purely as a joke, if you want a fan, *this* is a fan. What gives it the edge, is it is 37.5mm deep instead of 25mm. So it's thicker than your average fan. That's what helps the static pressure as well. They even make fans at 15mm thick, but those would have practically no pressure at all. http://www.circuittest.com/cfa121203...120mm-fan.html I have one of those. It was an impulse purchase at my local electronics store. I bought it, because at the time it was made of metal. So less smelly plastic to deal with. But boy, is it loud! And it has a static pressure rating of 5.6 mm H2O. So it's in the vacuum cleaner class. If you had two of those, you'd have to leave the room :-) Yes, that's a fan.. : ) Those hardware "extremes" help keep the matter interesting. The "heartiest" thing I use my computer for is for running compilers or math software similar to Mathematica, or Matlab. So I may run my computer hard for 10-30 seconds at a time. Once upon a time, I ran simulation programs that I would let run for a day or two, but not lately. I have been experimenting recently with virtualbox and virtual machines (which is an easy way to put Linux, for instance, on a Windows desktop), so I secured more RAM than usual (16GB). The price difference between 8GB and 16GB was not so much. I'm in a situation now where I can't predict exactly what I'll be doing with my computer for in the next few years, but I think my new one should be plenty adequate--fan hiccups or not! I upgraded from an Intel i7-860 (2.8 Ghz) to Intel i7-3740K (4.0 Ghz). I'm not sure whether it's the new mouse driver or the clock speed, or something else, but I can definitely "feel" an improvement in the way that my newsreader/email-client works. It's practically, "smooth as glass". I don't even particularly like, and maybe can't afford anyway, "responsiveness" in a car, but I enjoy it in a computer. "Quiet" is a desirable attribute for a computer to have too, IMO. I may build a little partition, a pseudo-wall, so that I don't interrupt it if it wants to read my e-books! ; ) Cheers, Bill |
#29
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CPU Install question
Bill wrote:
I upgraded from an Intel i7-860 (2.8 Ghz) to Intel i7-3740K (4.0 Ghz). Opps, the 3740 probably hasn't been invented. I'm sure you know what I meant. I was off by 1050K! |
#30
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CPU Install question
Bill wrote:
Bill wrote: I upgraded from an Intel i7-860 (2.8 Ghz) to Intel i7-3740K (4.0 Ghz). Opps, the 3740 probably hasn't been invented. I'm sure you know what I meant. I was off by 1050K! Yes. There aren't too many that do 4GHz as the stock value. This has a higher clock, but benches lower. And it also uses a lot of power. http://products.amd.com/en-us/Deskto...il.aspx?id=840 http://www.cpubenchmark.net/high_end_cpus.html Passmark 4790K 11,251 FX-9590 10,220 Paul |
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