Since the late 2009 iMacs came out, replacing the hard drive has caused the internal Hard Drive Fan to start running at around 6000RPM. Quindi da un lato mi sembra più specifico e per quello che fa più "giusto" delle altre utility gratuite. This lives in the Status Bar and displays the drive's current Temperature and the Fan Speed. HDD Fan Control comes with a small Application called HDD Fan Control Monitor. We are constantly improving and testing the temperature control algorithm with new Hard Disks and SSD's to make sure we provide the best fan control possible, as such you get free Automatic updates of HDD Fan Control. If you are a technician looking for volume licensing please check our Volume Licensing, or for more custom requirements please contact us.Ībility to define a custom relationship between Drive Temperature and Fan Speed for your drive's specific cooling needs and your fan noise preferences. HDD Fan Control is used by Apple repair technicians all over the world and has proved itself as a great solution to the fan problem. Used by Apple Repair Centers and Technicians It can also be setup to not use S.M.A.R.T for any drive if this is preferred. HDD Fan Control will still work with these SSD's by calculating the approximate temperature of the drive from the other internal sensors. Some SSD manufacturers have not implemented correct temperature readings over S.M.A.R.T for their SSD's. Have confidence in knowing that the cooling has been setup for the new drive's specifications. HDD Fan Control allows you to install any HDD or SSD into your iMac, or install additional drives, and not have the loud noise from the iMac caused by the HDD Fan. Runs as a system process at startup, working even before or if a user has not logged in, and continuing to work until the iMac is shut down totally independent of user login. This allows you to use any HDD or SSD in your iMac HDD Fan Control uses the S.M.A.R.T protocol built into every Hard Disk Drive and SSD to obtain the drives internal temperature without the need for Apple's Temperature Sensor or HDD Firmware. Provides the correct cooling for your drive, preventing overheating and early failure whilst also keeping the fan quiet when cooling is not needed. Runs the fan at a speed appropriate for the HDD or SSD's actual temperature. Sets fan speed for Hard Drive Temperature HDD Fan Control directly controls the speed of the HDD Fan slowing it down when the drive is cool, and speeding it up to protect the drive from overheating when hot. Unlike other Fan Control Software which can only increase the fan speed. HDD Fan Control works to fix this issue by reading the drives internal temperature using the S.M.A.R.T protocol and set the fans actual speed to a value good to protect the drive.Controls the Hard Drive Fan Speed Directly Instead of HDDFan Control, get the free SSDFan Control It runs at startup and continually to always control the fan correctly, prevent the loud fan noise and protect the drive from overheating HDD Fan Control works to fix this issue by reading the drives internal temperature using the S.M.A.R.T protocol and set the fans actual speed to a value good to protect the drive. These programs will not work for this particular issue as they often only control the base speed, and if they do control the fans actual speed they rely on the temperature reported by the sensor which is now incorrect. Shorting the temperature sensor cable (Not a possibility on 2011 iMacs) this tricks the iMac into thinking the drives temperature is very low, hence slow fan speed.īoth these fixes are less then perfect and leave the drive in a dangerous situation with no protection from overheating.Īnother option people try is other Fan Control software.Using smcFanControl and the terminal to set a MAX speed for the fan and writing scripts to start this after every sleep/restart.Resetting the SMC (System Management Controller) will have a temporary effect, but again the fan will speed up.įixes people have used in the past included: If you replace your drive, your iMac will initially seem fine, but soon the fan will begin to speed up to full speed. This is due to Apple replacing the external Hard Drive temperature sensor with a proprietary firmware and using the drives internal sensor. Replacement drives do not contain the firmware to deliver temperature data on the temperature sensor cable. When the iMac does not receive a good signal from the hard drive it puts the fan at full speed to protect the drive. Hi, likely the new Drive doesn't have the Termal sensor.
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