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How to connect iMac temperature sensor on a WD Blue 1 TB?

I have my friends iMac in which he needs a new drive. He got a WD Blue 1TB HD to install. I am trying to help him with it, but the first problem has popped up. Mac uses a temperature sensor on its HD's & I don't know where to plug it into the WD Blue. There is an 8-pin connector next to the SATA , but which of the 4-pin combos do i plug it into?

Any suggestions or help anyone can give me would be greatly appreciated.

strung

We need to know which model iMac. Alternatively look at the repair guide here for the appropriate model:

https://www.ifixit.com/Device/iMac

Dr. Klahn

The 8-pin connector on hard drives is generally reserved for factory testing, with the possible exception of a 6/3 Mbps slowdown jumper.

I've never seen a hard drive with a temperature sensor; since about 1999 there has no need for such. All SMART compliant drives return their temperature as one of the functions.

If there is a temperature sensor it definitely does not plug into the drive.

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Blinkr

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Thanks for the quick response!

Thanks Strung I will be checking out that site.

Dr. Klahn, that is a PC Windows window displaying there, isn't it? My question was about an iMac. Checkout Seagate drives. There is a 4-pin connector next to the SATA connector. That is where the iMac temperature sensor plugs in.

andyalder, this isn't a custom drive situation here. The Seagate drives have the 4-pin connector for the iMac temperature sensor next to the SATA connector. I saw the OWC connector on several of Macsales.com's videos. I just got one at Amazon.

Now to everyone: I already have a WD Blue drive to use on this upgrade. That's why I'm not buying a Seagate drive. I was checking to see if anyone knew how to connect the temperature sensor to the WD.

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