- #Mac mini efi firmware update 1.2 how to
- #Mac mini efi firmware update 1.2 mac os x
- #Mac mini efi firmware update 1.2 install
- #Mac mini efi firmware update 1.2 zip file
- #Mac mini efi firmware update 1.2 update
#Mac mini efi firmware update 1.2 mac os x
If no error message was displayed, enter command: exitįrom rEFIt menu, boot into Mac OS X (usually the first menu item). Try the steps again from the start, and if they still don't work, seek help online! If an error message was displayed, here or at any point prior to this, it's possible some files are not in the right place, or you missed a step. Private, var, usr), enter command: cd efi If root of startup volume is listed (NOTE: you should see items such as: Users, Volumes, etc, mach. Re-enter volume command (for example, fs1: ) Increment volume number (for example, "fs1") Select rEFIt boot device to enter rEFIt menu.Īt console prompt, enter volume command: fs0: Restart computer, holding down Option/Alt key on keyboard until you see boot device selection menu. In Terminal, enter command: cd /efi/refitĪt prompt, enter your user account password.
#Mac mini efi firmware update 1.2 zip file
Or download the original zip file from Ĭopy rEFIt "efi" folder to root of startup volume.Ĭopy "vmx" folder into "efi" folder at root of startup volume. The full list of possible Apple EFI Firmwares is available here:Ĭopy vmx folder (with vmx-var-set.efi) from the vmx folder in this git repository.
#Mac mini efi firmware update 1.2 update
If you have tried this, and works / fails, then please send your system specs and we can update the list. However its not been verified / tested (and therefore may brick your computer). Other Mac models with different EFI and different versions should (we expect) have this bit located in the same relative address scheme. This trick changes only 1 bit in the MSR CPU Register. Tested, and known to work well for the following system:ĮFI Boot ROM Version: 08 (EFI 1.1) The real compatibility is not fully known. You will need to sleep again after each restart to switch VT-X on again. If you don't wish to alter the EFI Firmware in this way, there is 1 alternative.
#Mac mini efi firmware update 1.2 how to
These instructions show you how to use the EFI firmware in Intel Macs to enable VT in the processor permanently, so that it lasts through restarts of the computer. As a result, you may have experienced intermittent success with the ability to enable VT.
However it seems that some users will continue to experience VT-X related issues, even after upgrading to the latest EFI Firmware update. This was 'fixed' by Apple some time ago around the time of Mac Mini EFI Firmware update 1.1. Īlthough present, VT is not turned on in all Intel Macintosh computers. It allows the chip to run more effeiciently, resulting in performance increases for the end user. He and the newly formed MacFixIt team are hoping to bring enhanced and more personable content to our readers, and keep the MacFixIt community going here at CNET.Pretty much all the chips Apple uses in the Intel Macintosh computers have VT-X. One of his diehard passions has been troubleshooting Mac problems and making the best use of Macs and Apple hardware both for family and friends, as well as in the workplace. Topher has been an avid Mac user for the past 10-15 years, and has been a contributing author to MacFixIt for just over a year now. The updater should inform you if your system is eligable for the update, in case you are uncertain if your system qualifies.īe sure to check us out on Twitter and the CNET Mac forums. The updates should be available through Software Update, and can also be downloaded from the links above. If the system lags do not press the power button to shut down, since an interrupted firmware update can irreparably damage your system.
#Mac mini efi firmware update 1.2 install
If you do install it, be sure to not interrupt the installer. iMac (20-inch, Mid 2009), iMac (24-inch, Early 2009), Mac mini (Early 2009)Īs with any firmware update, I recommend you only install it if you are experiencing the problems they address.This update will only work with the following firmware updates and Mac system models: This update will eliminate noise made by optical drives during system startup and when systems wake from sleep. This update "improves compatibility with the latest Apple memory kits on Mac mini computers." Oddly though, there is no specific memory upgrade for the Mac Mini on Apple's memory selector:
Apple has released a couple of firmware updates for certain models of iMac and Mac Mini computers that address problems with noises from optical disk drives during startup and compatibility with memory upgrades.
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