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The 2009 heatsink does not have a temperature connection? Is that normal? There is a spot for it on the logic board, but no wire from the heatsink.
Also, if it doesn't have a temperature sensor, is there a way to put it on? Cause like I said, there is a spot for it on my logic board, but no cable on my heatsink. Thanks.
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Please indicate exactly which machine you have as the temperature sensors are different on different models.
If you have a MacBook Core 2 Duo Santa Rosa/Penryn, there is only one temperature sensor.
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Yes, this is normal. The 2009 white plastic non-Pro Macbooks don't have their temperature sensors tacked onto the exhaust port of the heatsink, and so there's no cable running from there to the logic board's temperature sensor socket (J5520, to the left of the fan), but instead one temperature sensor is contained inside the CPU (the "CPU diode"), one is on the logic board in proximity to the CPU, one is inside the MCP chip, and one is on the logic board in proximity to the Northbridge chip that interfaces between the CPU and the rest of the logic board. A utility like Macs Fan Control can show you the temperature readings for all these sensors.
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This was spinning me out a bit, when I saw no cable in the port - quedtsion. When I tried to clean my copper I stripped the black finish off the heat fins, a few degrees is important in 2023. If replace the heat sink altogether, can I use one with a thermal sensor cable. Or will it just confuse the machine...
Thank you.
Jack
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