The Mid 2011 iMac shipped with OS X 10.6.7 and supports OS X 10.9 Mavericks.Īpple now offers a solid-state drive (SSD) option on all iMacs except for the 2.5 GHz 21.5″ model, an improvement over the 2010 iMac, where only the top-end model had SSD as a build-to-order option. All other models ship with a 1 TB hard drive and even more powerful Radeon graphics.
The entry-level iMac has 4 GB of RAM, a 500 GB hard drive, and Apple’s aluminum keyboard and Magic Mouse. The 27″ iMac is Apple’s first product with two Thunderbolt ports. These users are much more likely to connect an external USB, FireWire, or (soon) Thunderbolt drive if they need extra storage space.For 2011, the entire iMac line goes quad-core with Core i5 CPUs (and even faster i7 build-to-order options), moves to Intel’s Sandy Bridge chipset, gets Turbo Boost 2.0 technology, adopts the next generation of AMD Radeon HD graphics processors, and gains the Thunderbolt technology introduced with the Early 2011 MacBook Pro models. The vast majority of Mac owners turn to Apple for simple, pre-configured systems that they can set up and use without worrying about such things as shorting out pins, third-party fan utilities, or suction cups. There is also a report that a hardware component has been developed that provides the needed hard drive temperature information to the motherboard. OWC says that shorting out two leads on the drive connector can solve the Apple Hardware Test failure issue, but that’s a step farther than we were willing to go. Failure of the AHT could mean that issues usually covered under the system’s warranty may no longer be covered. (It’s on the applications disc.) Failing the test may not be a big deal, since we know why it’s failing, but the AHT is frequently used by Apple certified repair folks. HDD Fan Control sped up the fan to keep the temperature down.Īs reported by OWC, the iMac with a drive you’ve installed yourself will not pass the Apple Hardware Test that is bundled with new Macs. To get the iMac working so I could observe the fan, I used HandBrake to convert a DVD file that was ripped to the hard drive.
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