I have an iMac 21.5 3.06 GHZ Intel Core i3.
Orig HD 500 GB HD packed up so I took the opportunity to replace it
with 1T Seagate. Now HD fan starts slowly ~ 1,000 rpm, but after half
an hour or so is doing 5400 rpm. Stays there. Temp all the time is
cool at 41°C. (smcFanControl says temp 0°C, 5400
On Wed, Feb 09, 2011 at 08:16:07AM -0800, Stuart wrote:
I have an iMac 21.5 3.06 GHZ Intel Core i3.
Orig HD 500 GB HD packed up so I took the opportunity to replace it
with 1T Seagate. Now HD fan starts slowly ~ 1,000 rpm, but after half
an hour or so is doing 5400 rpm. Stays there. Temp all
As 0 degrees Centigrade is freezing point - what exactly is
smcFanControl measuring here? Is HD drive temp measured by an external
probe or is it an onboard function - I use iStat menus, and hard drive
temp measurement seems to be a function of SMART monitoring, but in my
G4 iMac it just shows one
Have you installed or are you aware that Apple have temperature sensors
plugged into their hdd's?
It is much like a jumper and if you have missed it, this will account for
why the fans are spinning full wack.
Hope this helps
Jay
On 9 February 2011 16:16, Stuart stuar...@gmail.com wrote:
I
Now I read somewhere and as best as i can remember, a chap swapped out the
apple hard drive for a new one in his iMac and the fan simply went full belt
constantly. He claimed that he discovered that apple place a jumper on their
hdd's to control the fans. He took out the new, replicated the
