top of page

RYSL Fundraising

Public·63 members
Waylon Hernandez
Waylon Hernandez

Hdd Fan Control For Mac Serial

Replacement Hard Drives or SSD's in an iMac cause the HDD Fan to run at full speed. Unlike other Fan Control Software, HDD Fan Control completely controls the fan speed making it run correctly again.

Hdd Fan Control For Mac Serial

Unlike other Fan Control Software which can only increase the fan speed. 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.

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.

HDD Fan Control controls fan speed in relation to drive temperature. If you have replaced your iMac's Hard Drive with a new Hard Drive or a SSD and the fan has started running at full speed creating a lot of noise, HDD Fan Control will control the fan speed, preventing the loud noise whilst keeping your drive safe

Note: This app is specifically designed to control your HDD Fan using your drives S.M.A.R.T data for iMacs with replacement drives which no longer provide correct temperature data to Apple's sensor

Note: If you are looking for an application to adjust your Mac's fans from stock (and not to control fan noise after replacement disk) we can highly recommend the free smcFanControl or iStat Menus.

Macs Fan Control allows you to monitor and control almost any aspect of your computer's fans, with support for controlling fan speed, temperature sensors pane, menu-bar icon, and autostart with system option.

By itself, this software can solve the fan rev up issue. Combine that with the short solution above, and you appear to have an iMac with fans under control and that you can run Apple Hardware Test (AHT) with normal results.

Apple custom firmware on factory drives outputs a digital signal that provides SMC with the HD temperature information so it can control fan speed. The thermistor(apple 2010 optical thermal sensor ) you installed simply shorts the line in the 2011 iMac when installed as you have done. Unlike the digital thermal sensor we provide in our 2011 iMac HDD upgrade kits, a thermister is effectively makes use of a resister that varies in resistance to depending on temperature which a system designed to use such then determines temperature by voltage level.

We actually have a few interesting test scenarios in play today to get a better understanding of how the thermal data is being communicated with the new scheme. We still have hope for a solution that will keep the Apple thermal monitoring and fan control operational while allowing a non-Apple Rom HDD be installed into this bay.

According to the Wikipedia page for SATA ( _ATA ), there are 15 pins on SATA Power but only 5 different lines: GND, 3.3, 5, 12, and a pin that can be used for spin-up control or for an activity LED. I wonder if Apple drives have modified firmware that pulses that line at a rate based on temperature

My guess is that either the iMac cooling system is far more fragile than we all understand and they need to keep that under tight control, or that Apple is planning to use some new variation on drive technology that will require special connectors. You could make arguments for either and both.

As with all such hardware updates and associated utility software since the dawn of the industry, if there was a change in the available fans then any 3rd-party utilities that control them will need an update as well. This also is not news, and there should be no surprise if the solution people were using for the previous iMac needs an update for the new one; if anything, there should be a simple reaching-out to provide assistance to the developer in question.

One of the benefits of SSDs is that they generate significantly less heat in comparison to a traditional HDD, so the increased fan speed is unnecessary. You will probably want to reduce the speed of the fan, as well as the noise. One solution is to use a third-party software such as SMCFanControl. This allows the user full control of the fan speed to set it to an acceptable level. A link to SMCFanControl can be found here. Please be aware that Micron is not responsible for the contents of the above website, and does not assume any legal liability for the products or information offered at this site. The website link is provided for informational purposes and for the convenience of our customers.

An alternative solution is to purchase an aftermarket sensor adapter. This type of cable converts a plug-in sensor to an adhesive one, which allows the fan speed to be automatically controlled by the iMac system management controller. When using the sensor adapter, no additional software is required.

This was a near-perfect solution until I upgrade my system to macOS Sierra. Now both "Macs Fan Control" and also "smcFanControl" can't control the fans anymore and the latter reports that I am running it on an unsupported system.

Fans and Temperature sensors will work exactly the same as with the stock drive? No special apps required to control fan speed with that Seagate Hybrid? It can be used as a drop-in replacement, in the stock HD location?

Now, the question is this: Will I see any benefit to going to an OWC Mercury Extreme Pro 6G compared to the OWC Mercury Extreme Pro that I bought two years ago? My understanding is that the SATA controller for the iMac 11.1 is only rated for 3Gb/S but I wanted to confirm with OWC techs before I make a decision.

i haved change my hdd with the same brand (WD). Just with some better spec. Higher GB for more space.I found one with S.M.A.R.T and the fans went not so crazy like to take-off iMac. Only small noise from the fans.When i tried AHT. The iMac failed and sayed it cut not control the fans.So it is very close to sole my problem.

Also, does that resistor keep the fans running at a fixed speed all the time, or does it simply prevent the fans from spinning too fast? (In other words, does that resistor allow normal, automatic fan speed control so the fans spin slow when the computer is cool and then ramp up when the computer gets hot?)

I think Tom (#85) is right. has anyone thought to connect a hardware fan speed controller to those connector wires? if the resistance values output from the controller match the values Tom got, it might work. furthermore this supports the idea that the fan speeds are firmware controlled by the drive. while some hardware controllers are manual, there are some that can provide automatic control via software programming or by buttons/display on the controller (fits in a drive bay slot which i know the iMac does not have). i have an old cheap controller that uses jumpers to configure it. i know it may be a neat trick getting the wires outside the iMac and getting the case closed without drilling a hole and mounting/placing the controller maybe difficult but such an experiment could solve the problem and may provide further insight.

Closed up the iMac, and installed smcFancontrol. Set it at about 1500 rpm for all fans. This is the best my iMac has ever run, ( I run dual monitors with Parallels and Windows on the second monitor) and the coolest according to the iStat readout and a touch of the upper part of the case.

Forgot to mention, I think fan speed and sensor is tied to firmware somehow. I tried a variety of HD combinations and fan sensor methods. I never see my fans go over 1100rpm. I can mention that I havent had my original disk in long enough to do anything intensive to have fans ramp up, as a sort of control method. I might consider trying this too.

So I read on a SSD upgrade site another option. Simply short the HDD temp senor and use a fan control application to increase the HDD fan to 2000rpm. This worked great, even more to my surprise was the iMac still reports a temperature for the HDD! it reads the temperature inband on the SATA interface as part of the SMARTs information.

The System x3650 M5 server supports up to nine PCIe slots: one slot on the system planar that is dedicated for an internal storage controller, two regular PCIe slots on the system planar, and up to six PCIe slots with different riser cards installed into two riser sockets on the system planar (one riser socket supports installation of one riser card). The slot form factors are as follows:

The COM Port Bracket, part number 00KA161, is used for mounting the external serial port on the rear of the System x3650 M5. This option includes the bracket and the cable. The COM Port option is mounted in place of the PCIe slot 5, and the PCIe slot 5 cannot be used.

Configuration note: Unless otherwise specified in the table footnote for the specific adapter, SAS RAID controllers and HBAs are supported in low profile PCIe x8 slots on the system board and full-high PCIe x8 and x16 slots supplied by the riser cards 1 and 2.

The System x3650 M5 server contains Integrated Management Module II (IMM2.1), which provides advanced service-processor control, monitoring, and an alerting function. If an environmental condition exceeds a threshold or if a system component fails, the IMM2.1 lights LEDs to help you diagnose the problem, records the error in the event log, and alerts you to the problem. Optionally, the IMM2.1 also provides a virtual presence capability for remote server management capabilities. 350c69d7ab


Welcome to the RYSL Fundraising Group! Here we will post any...


Group Page: Groups_SingleGroup
bottom of page