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Current version by: oldturkey03 (vote details)

Title:

CPU Fan runs at full speed.

Text:

Hi, the CPU fan of my iMac is running at full speed. iStat says it's not running (0rpm). The temperatur sensor is working, my ASP says, that's a problem with the logicboard. Any resets (SMC, PRAM) are done but this problem is still there. I just bought an external fan control but first I want to ask if somebody know the pin assignment of the CPU fan plug.

Device:

iMac Intel 27" EMC 2309 and 2374

Status:

open

Accepted Answer:

+154412

Original post by: [deleted]

Title:

CPU Fan runs at full speed.

Text:

Hi, the CPU fan of my iMac is running at full speed. iStat says it's not running (0rpm). The temperatur sensor is working, my ASP says, that's a problem with the logicboard. Any resets (SMC, PRAM) are done but this problem is still there. I just bought an external fan control but first I want to ask if somebody know the pin assignment of the CPU fan plug.

Device:

iMac Intel 27" EMC 2309 and 2374

Status:

open