Hello, everyone. I come from china. My mother tongue is Chinese. My English is not good.
According to China Chinese Weifeng website, someone has replaced E3 -1230v2 with i5-2400s on version 10.8.2 of the 21.5-inch iMac system in 2011, which can be used normally。
10.8.3 the bootrom efi will be updated when the system starts to install, and the Ivy Bridge series cpu will not light up. That is, if you can still find those that have never upgraded the system version above 10.8.2, you can upgrade and replace the Ivy Bridge cpu series.
I also replaced E3 1230 V2 with i5 2400 in my iMac 2011 27-inch system version 10.13.6. Only two LED lights were on the previous year, and there was no display on the screen. I wonder if bootromefi firmware limits the use of Ivy Bridge series cpu
I500s replace E3 1230 V2 source
According to China Chinese Weifeng website, someone has replaced E3 -1230v2 with i5-2400s on version 10.8.2 of the 21.5-inch iMac system in 2011, which can be used normally。
10.8.3 the bootrom efi will be updated when the system starts to install, and the Ivy Bridge series cpu will not light up. That is, if you can still find those that have never upgraded the system version above 10.8.2, you can upgrade and replace the Ivy Bridge cpu series.
I also replaced E3 1230 V2 with i5 2400 in my iMac 2011 27-inch system version 10.13.6. Only two LED lights were on the previous year, and there was no display on the screen. I wonder if bootromefi firmware limits the use of Ivy Bridge series cpu
I500s replace E3 1230 V2 source
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