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Scythe Samurai ZZ (Smartfan help)

post #1 of 11
Thread Starter 
Hello everyone.

I have this cooler Scythe Samurai ZZ (), and I'm running Core 2 Quad Q6600 OC'ed @ ~2.93 Ghz;

So I have this problem that the cooler always works at full load, not like my previous Intel's stock one, which was all automatic! That's why my only chance is to use - "Smart fan control" in BIOS.

But there are complicated settings, so after long time testing I'm still not satisfied with the results, I don't know which are the best settings to put there in BIOS, to make that cooler work, like if it was all automatic by itself.

Here are the settings [with the values available to choose from]:

  1. CPU Tolerance Temperature [0-15]
  2. Low CPU Temperature [0-127]
  3. Low CPU FAN PWM Duty [0-127]
  4. CPU Slope PWM [0-15]
  5. CPU Fan Fulloading Temperature [0-127]


Please help ppl frown.gif
    
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post #2 of 11
Bump...

anyone know ECS Bios fan controls?
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post #3 of 11

Looks like it's time for you to experiment. Either that or read your manual. If you've tossed your paper copy I'm sure you can find a pdf on the ECS website. It should cover all the BIOS controls. If not, write to tech support.

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post #4 of 11
Thread Starter 
I have a manual, and checked the same pdf to be sure, but their descriptions of options sound like - CPU Slope PWM - Sets the slope PWM biggrin.gif:D
Writing to them will be no use I think, cause the board is 5-6 year old I guess...
    
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post #5 of 11

Time to test various settings and see what they do.

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post #6 of 11
Thread Starter 
Yeah, I've been doing it for a couple of days non stop, I think I found decent settings for now, the biggest problem was to set it so it can switch speed quite smooth and not to make - strange disturbing (not loud) noise between those changes)
The most weird thing is that those options are completely understandable if describing them, but I still didn't configure out how to use them right, if it's possible at all biggrin.gif

1-st option is for - set temperature difference so the fan can change RPM, when temperature rises for an example for 3 - rpm goes up, and when cools down for 3 - goes down again. But the thing is when I had put to 3, it changed less times (made less steps) than when I've put 4!

2nd - that one looks easy of course. But also no use biggrin.gif

3-rd - well that one is for the start speed of cooler. (I now think maybe 0-127 value in this case even stands for voltage, where 127 is ~12 volts biggrin.gif ?!)

4-th - that is for how much the fan will change it's speed by every grade step you've put in the 1-st option (I guess)

5-th - that one also sounds easy - maximum temperature when the fan should work at maximum)

So my settings now are:
1- 4
2- 31
3- 66
4- 4
5- 62

The main problem is, as I said previously, that it's incomprehensible to understand how those options really work.
I tried calculations, but they make no sense, since for example that low cpu temperature setting is not seemed to be working really biggrin.gif

62(max)-31(min)=31 (grades left between those temps so I can calculate how many speed changes fan can make in that period)

31 : 4 = ~7,8 (x times the fan will make changes of it's speed)

~2500(max cooler fan speed) : 127 (max value in BIOS options) = ~19,7 (speed per 1 (of 127) value)

19,7 x 66(start speed) = ~1300 (actual start speed)

2500 - 1300 = 1200 (left available in that period between max and min temps)

1200 : 19,7 = 60,9

60,9 : 7,8 = ~8 !! (slope pwm)

So from here we see, when my options are set as I want, I then calculate the main one - "cpu slope pwm" option (the fan speed change option) so it should have been set to 8 as we see, but that doesn't work well and the result is not satisfying at all, so as I said those settings don't make any sense biggrin.gif
Even if I take the actual low cpu temperature from HWmonitor, when the fan is at it's lowest rpm when CPU is idle, it still won't work for the options, I tried biggrin.gif So I guess only luck helps here, at least if we won't have someone who knows something about it here biggrin.gif

Btw my temps are:

Idle ~ 39; 37; 34; 34 (all cores in Celcius) rpm about ~1300; (when start to browsing internet ~1400 maybe even ~1500 sometimes)

Load ~ usually lower than 50 (it depends), but the maximum I saw was 58 and 57 (exactly in the HWmonitor maximum temps column) on two cores. So it was for a moment, before rpm went up) The maximum rpm then was ~2200 ! Usually ~2000-2100 rpm when playing for a while (30-40mins)

Ya'll think it's good?
Edited by rututu - 3/5/12 at 6:03am
    
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  hide details  
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CPUMotherboardGraphicsRAM
Core 2 Quad q6600 @ ~ 2.9Ghz ECS P965T-A MSI Radeon HD6850 OC Cyclone Edition Kingston 6 GB 800 mhz @ 533 mhz due to overclock 
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post #7 of 11
Ya, that looks like a great reduction in temperatures! You were getting mid to upper 60's on stock before I believe.
I found a review of the Scythe here
http://www.silentpcreview.com/article1049-page7.html

The review dotes that the fan is a really good one that comes with the cooler. If you want to make it quieter at higher RPM's to have the best cooling you could find something to make a spacer to raise the fan off the heatsink a little bit. You could use another 92mm fan body as a shroud, preferably an crappy old fan or a broken one.
250

It will allow you to run the fan full blast with less noise because the fan is not creating turbulence on the blades.
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post #8 of 11
Thread Starter 
Thanks thumb.gif
    
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Samsung HDD DVD-RW Scythe Samurai ZZ Windows 7 64bit 
  hide details  
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post #9 of 11
Thread Starter 
Bump
    
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Core 2 Quad q6600 @ ~ 2.9Ghz ECS P965T-A MSI Radeon HD6850 OC Cyclone Edition Kingston 6 GB 800 mhz @ 533 mhz due to overclock 
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Samsung HDD DVD-RW Scythe Samurai ZZ Windows 7 64bit 
  hide details  
Reply
    
CPUMotherboardGraphicsRAM
Core 2 Quad q6600 @ ~ 2.9Ghz ECS P965T-A MSI Radeon HD6850 OC Cyclone Edition Kingston 6 GB 800 mhz @ 533 mhz due to overclock 
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Samsung HDD DVD-RW Scythe Samurai ZZ Windows 7 64bit 
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post #10 of 11

What's the bump for?

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alpha updated
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secundus
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i7 4790k Gigabyte GA-Z97X Gaming-7 Intel HD4600 Crucial Ballistix Sport Very Low Profile 8GB Ki... 
Hard DriveCoolingOSMonitor
Samsung 840 EVO 500GB Prolimatech Megahalems Rev. C Windows 8.1 Home Premium 64-bit Acer K242HL 
KeyboardPowerCaseMouse
Dell SK-8110 (PS/2) Seasonic X460 Fanless motherboard tray from CM ATCS 840 Logitech MX 1100 
Mouse PadAudio
Dell Creative SoundBlaster X-Fi MB3 
CPUMotherboardGraphicsRAM
i7 860 Gigabyte GA P55M UD2 ZOTAC/NVidia GTX 650 Ti 2GB 4x4GB G.Skill Ripjaws DDR3-1333 CAS9 
Hard DriveOptical DriveCoolingOS
Samsung 1TB Spinpoint F3 7200.12 Plextor 24x DVD burner Cooler Master Hyper Z600R Win7 64-bit 
MonitorKeyboardPowerCase
Dell E207WFP 20-inch flat panel Logitech Wireless 510 Seasonic X-650 fully modular 80+ Gold Lian Li PC-7FN 
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