Newest Os X For A1224 Imac 2008

Apple updated the iMac with Intel’s more efficient Penryn processor in April 2008, which has a larger Level 2 cache and includes the SSE4.1 instruction set. The Early 2008 iMac also moved from the 800 MHz system bus in the Mid 2007 iMac to 1066 MHz, and clock speeds now range from 2.4 GHz to all the way up to a 3.06 GHz build-to-order option.

1. A1224 Imac Year
2. Newest Os X For A1224 Imac 2008 Manual

The aluminum iMacs have three USB 2.0 ports, FireWire 400 and 800 ports, gigabit ethernet, 802.11n WiFi, Bluetooth 2.1+EDR, and an 8x SuperDrive – as well as a slim keyboard with USB 2.0 ports. This was the last iMac to use an Ultra ATA interface for its optical drive.

Apple releases a new version of the Mac operating system almost every year, but it won't support every Mac. Each year more and more Macs fall by the wayside, unable to be updated to take advantage.

The Early 2008 iMacs shipped with OS X 10.5.2 Leopard and iLife ’08. The Early 2008 iMacs support OS X 10.11 El Capitan. This was the last 24″ iMac. Although it is not officially supported, the Early 2008 iMac can run macOS Sierra using Colin Mistr’s Sierra Patch Tool. However, WiFi is. Oct 24, 2019  iMac introduced in mid 2007 or later Mac Pro introduced in early 2008 or later Xserve models introduced in early 2009. To find your Mac model, memory, storage space, and macOS version, choose About This Mac from the Apple menu. If your Mac isn't compatible with OS X El Capitan, the installer will let you know.

The 20″ 2.0 GHz iMac has 1 GB of RAM, a 250 GB hard drive, an 8x SuperDrive, Radeon HD 2400 XT graphics, AirPort Extreme, Bluetooth, and Apple’s aluminum keyboard and Mighty Mouse.

The 2.66 GHz and faster models ship with 2 GB of RAM, a 320 GB hard drive, and use Radeon HD 2600 Pro graphics (Nvidia GeForce 8800 is a built-to-order option on the 24″ iMac). The new iMac ships with OS X 10.5.2 Leopard and iLife ’08. These iMacs support OS X 10.11 El Capitan.

The Radeon HD 2400 and 2600 Pro graphics processors, while better than the Radeon X1600 GPU in the 2.0 GHz Late 2006 iMacs, are in some respects a step down from the Nvidia GeForce 7300GT and 7600GT in the 24″ Late 2006 iMac. Gaming benchmarks measure GeForce frame rates as anywhere from 20% to nearly 200% higher. There are also many complaints about reflections due to the glossy display.

Although it is not officially supported, the Early 2008 iMac can run macOS Sierra using Colin Mistr’s Sierra Patch Tool. However, WiFi is not supported on this device. See our macOS Sierra page for more details and a link.

What You Need to Know

While you can run OS X 10.5 Leopard with 1 GB of system memory, it runs much more smoothly with 2 GB, and 2 GB is a realistic minimum for OS X 10.6 Snow Leopard. You can run OS X 10.7 Lion with 2 GB, but it needs 4 GB to flex its muscles. OS X 10.8 Mountain Lion and 10.9 Mavericks run poorly with 2 GB and improve drastically with 4-6 GB. OS X 10.10 Yosemite really wants the 6 GB maximum this model supports.

Note that 20″ aluminum iMacs use an 18-bit LCD, which can only display 262,144 colors, not the “millions” all other iMacs can display. This should be good enough for most users.

Unlike earlier iMacs, where every USB port could provide 500 mA of power, only a single high-powered device can be attached to the USB ports, and software will enable one of its downstream ports to supply 500 mA of power. If a second high-powered device is attached, it will behave like a normal bus-powered hub and only provide 100 mA per downstream port.

Intel-based Macs use a partitioning scheme known as GPT. Only Macintel models can boot from GPT hard drives. Both PowerPC and Intel Macs can boot from APM (Apple’s old partitioning scheme) hard drives, which is the format you must use to create a universal boot drive in Leopard. PowerPC Macs running any version of the Mac OS prior to 10.4.2 cannot mount GPT volumes. PowerPC Macs won’t let you install OS X to a USB drive or choose it as your startup volume, although there is a work around for that.

Details

• introduced 2008.04.28 at US$1,199 (20″ 2.4 GHz). US$1,499 (20″ 2.66 GHz), US$1,799 (24″ 2.8 GHz), and US$2,199 (3.06 GHz); replaced by Early 2009 iMac on 2009.03.03
• Model no.: A1224 (20″), A1225 (24″)
• Part no.: MB323 (20″ 2.4 GHz), MB324 (20″ 2.66 GHz), MB325 (24″ 2,8 GHz)
• Model identifier: iMac8,1

Mac OS

• requires Mac OS X 10.5.2 Leopard through 10.11 El Capitan, macOS Sierra via patch tool – see macOS Sierra on Low End Macs. Broadcom BCM4321 WiFi module, if present, is not supported by Sierra. Some Early 2008 iMacs have an audio issue that will not let you adjust sound volume in Sierra. macOS 10.4 Mojave and later are not supported.
• Mac OS X 10.6 Snow Leopard compatibility
  • Grand Central Dispatch is supported.
  • 64-bit operation is supported.
  • OpenCL is not supported except with the GeForce 8800 GS GPU.
• OS X 10.8 Mountain Lion compatibility
  • AirPlay Mirroring is not supported.
  • AirDrop is not supported.
  • Power Nap is not supported.
• OS X 10.10 Yosemite compatibility
  • AirDrop is not supported.
  • AirPlay Mirroring is not supported.
  • Handoff is not supported.
  • Instant Hotspot is not supported.
  • Power Nap is not supported.

Core System

• CPU: 2.4/2.66/2.8 GHz Intel Core 2 Duo “Penryn”, 3.06 GHz Core 2 Extreme option
• L2 cache: 6 MB shared cache on CPU
• Bus: 1066 MHz
• RAM: 1 GB (2.4 GHz) or 2 GB (others), officially expandable to 4 GB using two PC-6400 DDR2 SODIMMs but supports 6 GB.
• Performance, Geekbench 3:
  • 32-bit single core: 1470 (2.66 GHz), 1656 (3.06 GHz)
  • 32-bit multicore: 2732 (2.66 GHz), 2739 (2.8 GHz), 2977 (3.06 GHz)
  • 64-bit single core: 1662 (2.8 GHz), 1735 (3.06 GHz)
  • 64-bit multicore: 3024 (2.8 GHz), 3084 (3.06 GHz)

Video

• Graphics, 2.4 GHz: ATI Radeon HD 2400 XT with 128 MB RAM (256 MB optional), supports up to 1920 x 1200 external digital display, 2048 x 1536 analog display, and monitor spanning
• Graphics, 2.66-3.06 GHz: ATI Radeon HD 2600 Pro with 256 MB RAM, supports up to 1920 x 1200 external digital display, 2048 x 1536 analog display, and monitor spanning
• Graphics: 24″ build-to-order option: Nvidia GeForce 8800 GS with 512 MB RAM, supports up to 1920 x 1200 external digital display, 2048 x 1536 analog display, and monitor spanning
• Display:
  • 20″ 1680 x 1050 flat panel display (18-bit LCD)
  • 24″ 1920 x 1200 flat panel display
• Video out: mini-DVI, VGA, S-video, composite (requires adapter)

Drives

• Hard drive bus: 3 Gbps SATA Rev. 2
• Hard drive: 250/320 GB 7200 rpm SATA drive
• Optical drive bus: Ultra ATA/100 (operates at UATA/33 or UATA/66)
• SuperDrive: writes DVD±R, DVD+R, and DVD+RW discs at up to 8x speed, DVD-RW at up to 6x; dual layer at up to 4x; reads DVDs at up to 8x, writes CD-R discs at up to 24x, writes CD-RW discs at up to 16x, reads CDs at up to 24x

Expansion

• USB: 3 USB 2.0 ports, only 1 high-powered device device allowed
• FireWire 400: 1 port, 7 Watts
• FireWire 800: 1 port, 7 Watts
• Modem: optional 56 kbps USB modem supports v.92
• Ethernet: 10/100/gigabit
• AirPort Extreme: 802.11n
• Bluetooth 2.1: included
• IR receiver: supports Apple Remote (included)
• Microphone: internal

Physical

• Power supply: 200W (20″), 248W (24″)
• H x W x D (20″): 18.5 x 19.1 x 7.4 in/46.9 x 48.5 x 18.9 cm
• H x W x D (24″): 20.5 x 22.4 x 8.1 in/52.0 x 56.9 x 20.7 cm
• weight (20″): 20 lb/9.1 kg
• weight (24″): 25.4 lb/11.4 kg

CPU Upgrades

A1224 Imac Year

• none

Online Resources

• The 2008 Penryn iMac value equation, Dan Knight, Mac Musings, 2008.04.29. Comparing prices, features, and performance, three of four new models are value champions, and there are some surprising refurb values as well.
• The iMac Legacy: After the G3, Dan Knight, Mac Musings, 2008.08.15. The G3 iMac influenced the whole industry, but Apple continued to move forward with innovative designs using G4, G5, and Intel processors.
• Know Your Mac’s Upgrade Options, Phil Herlihy, The Usefulness Equation, 2008.08.26. Any Mac can be upgraded, but it’s a question of what can be upgraded – RAM, hard drive, video, CPU – and how far it can be upgraded.
• Why the 20″ iMac is perfect for home or school, John Hatchett, Recycled Computing, 2009.09.29. The aluminum iMac has plenty of power and screen space, yet it’s small enough and light enough to tote from place to place.
• iMac Graphics Firmware Update 1.0.2, Mac News Review, 2009.09.11. For iMacs with an ATI Radeon HD 2600 Pro or ATI Radeon HD 2400 XT graphics.
• The 64-bitness of Mac OS X 10.6 ‘Snow Leopard’, Dan Knight, Mac Musings, 2009.08.19. Although Apple is promoting ‘Snow Leopard’ as a fully 64-bit operating system, it defaults to running in 32-bit mode.
• The Road Ahead: 64-bit Computing, Dan Knight, Mac Musings, 2009.08.19. Personal computers started with 8-bit CPUs, Macs started out with a 24-bit operating system, and 32-bit computing is starting to give way to 64 bits.
• OS X 10.6 requirements, why Apple owns the high end, when to upgrade your Mac, and more, Mac News Review, 2009.08.14. Also Microsoft Word patent infringement, BackPack shelf for iMac and Cinema Displays, two updated Bible study programs, and more.
• OS X 10.6 Snow Leopard for $29, run Windows on your Mac for Free, Update Breaks Office 2008, and more, Mac News Review, 2009.08.07. Also getting your Mac ready for Snow Leopard, Time Capsule doubles capacity, Picasa 3 for Mac, Bodega Mac app store, and more.
• Computer disaster ends happily, Alan Zisman, Zis Mac, 2009.08.05. The iMac was getting slower and slower, and Disk Utility kept trying to fix the same problems. With a new hard drive, the iMac is running as well as ever.
• Optimized Software Builds Bring Out the Best in Your Mac, Dan Knight, Low End Mac’s Online Tech Journal, 2009.06.30. Applications compiled for your Mac’s CPU can load more quickly and run faster than ones compiled for universal use.
• Intel’s promise fulfilled: More processing power per processor cycle, Dan Knight, Mac Musings, 2009.06.30. Apple promised improved CPU efficiencies when it announced the move to Intel in 2005. Three years of MacBooks show the progress.
• Apple comes through, resolving overheating iMac problem, Kev Kitchens, Kitchens Sync, 2009.06.10. After frustration with the local Apple Store, customer service came through by authorizing a repair – and then a replacement when the problem persisted.
• Mac Hater now loves Macs, Apple slows Mac upgrades, Opera Turbo boosts browser speed, and more, Mac News Review, 2009.02.20. Also what if Apple never updates the iMac, SwiftStore drives connect via gigabit ethernet, and new email and postage software.
• Why Mac desktop sales are on the decline, Dan Knight, Mac Musings, 2009.01.22. Apple believes that desktops are unimportant, and by not offering updated models regularly, it makes them unimportant to potential buyers.
• Evidence of next iMac and Mac mini with Nvidia graphics, consumer Macs ready for business, and more, Mac News Review, 2008.12.24. Also the beginning of the end for the iMac?, OS X 10.5.6 speeds up graphic performance, the Ultimate Guide to Mac OS X, and more.
• Ubuntu Linux and Boot camp make it easy to create a triple boot Mac, Alan Zisman, Mac2Windows, 2008.12.24. Boot Camp makes it easy to install Windows on Intel Macs, and Ubuntu now makes it easy to install Linux to a virtual Windows drive.
• The ‘Better Safe Than Sorry’ Guide to Installing Mac OS X Updates, Charles W Moore, Miscellaneous Ramblings, 2008.12.16. Most users encounter no problems using Software Update, but some preflight work and using the Combo updater means far less chance of trouble.
• Why You Should Partition Your Mac’s Hard Drive, Dan Knight, Mac Musings, 2008.12.11. “At the very least, it makes sense to have a second partition with a bootable version of the Mac OS, so if you have problems with your work partition, you can boot from the ’emergency’ partition to run Disk Utility and other diagnostics.”
• 15 reasons Macs are better, quad-core iMac in January?, USB 3.0 spec finalized, and more, Mac News Review, 2008.11.21. Also 25 years of Macs, ‘Snow Leopard’ in Q1?, SimpleTech’s faster and greener hard drive, Hyperspaces, StarOffice for OS X, and more.
• Virtualization shootout: VMWare Fusion 2 vs. Parallels Desktop 4, Kev Kitchens, Kitchens Sync, 2008.11.20. Both programs do the same thing, but one runs Windows XP smoothly alongside Mac apps, while the other bogs down everything but Windows.
• Anticipating Macworld: Nehalem, Snow Leopard, and updated desktops, Dan Knight, Mac Musings, 2008.11.18. Intel’s Core i7 CPU has to make it way into the next Mac Pro, Nvidia GeForce graphics will drive the iMac and Mac mini, and ‘Snow Leopard’ will unleash the animal within.
• Debunking the Apple Tax, Frank Fox, Stop the Noiz, 2008.10.31. “…no one else is offering the quality of computer construction that Apple offers in the same price range.”
• One OS to rule them all, Frank Fox, Stop the Noiz, 2008.10.29. With Fusion or Parallels letting you run Windows at full speed, Mac OS X gives you the best of both worlds.
• Nvidia may power new Mac mini and iMac, FireWire firestorm, OS X on PCs, and more, Mac News Review, 2008.10.27. Also turning your Mac into a WiFi access point, iKey keyboard with Bluetooth and trackpad, MacSpeech Dictate updated, and more.
• Economic crunch may slow Mac sales, a recycled Cube, ToCA Race Driver 3 for Mac, and more, Mac News Review, 2008.10.10. Also don’t buy RAM from Apple, customize your Mac’s appearance, MacTribe expanding into print, My Apple Space social networking, and more.
• How to clone Mac OS X to a new hard drive, Simon Royal, Tech Spectrum, 2008.10.07. Whether you want to put a bigger, faster drive in your Mac or clone OS X for use in another Mac, here’s the simple process.
• CodeWeavers brings Google’s Chrome browser to Intel Macs, Alan Zisman, Zis Mac, 2008.10.02. Google’s new Chrome browser uses separate processes for each tab and brings other changes to Windows users. Now Mac fans can try it as well.
• Apple Trumps Microsoft in Making the 64-bit Transition Transparent to Users, Frank Fox, Stop the Noiz, 2008.09.18. To use more than 4 GB of RAM under Windows, you need a 64-bit PC and the 64-bit version of Windows. On the Mac, OS X 10.4 and later already support it.
• SATA, SATA II, SATA 600, and Product Confusion Fatigue, Frank Fox, Stop the Noiz, 2008.09.08. In addition to the original SATA specification and the current 3 Gb/s specification, SATA revision 3.0 is just around the corner.
• Does running OS X system maintenance routines really do any good?, Charles W Moore, Miscellaneous Ramblings, 2008.08.26. Mac OS X is designed to run certain maintenance routines daily, weekly, and monthly – but can’t if your Mac is off or asleep.
• Mac prices in context, Macs best for Microsoft Office, Macs surge in education, and more, Mac News Review, 2008.08.15. Also Macs becoming standard in the enterprise, Linux on old Macs, Gmail feels your pain, BurnAgain FS software for rewritable discs, and more.
• Simple Mac security in the age of malware, Kev Kitchens, Kitchens Sync, 2008.08.13. Unlike Windows PCs, at this point Macs can’t become infected simply from being on the Internet, but you still need to be careful about your downloads.
• iMac beats Dell XPS One on price and features, Kev Kitchens, Kitchens Sync, 2008.08.06. The Dell costs $100 more with a slower CPU, a worse graphics processor, and no alternative to Vista Home Edition.
• Free VirtualBox for Mac now a virtual contender, Alan Zisman, Mac2Windows, 2008.07.21. A year ago, the Mac version of VirtualBox lacked some essential features. Over the past year, it’s grown into a very useful tool.
• Win the depreciation game by buying on the low end, Charles W Moore, ‘Book Value, 2008.06.24. The worst depreciation afflicts high-end models. By buying a less powerful version, choosing certified refurbished, or picking up a used computer, you’ll come out ahead.
• No widescreen display for me, accessing MacWrite files, Fedora Linux for G3 Macs, and more, Dan Knight, Low End Mac Mailbag, 2008.06.19. Why monitors need more height, not more width; using MacWrite files, unleashing old Macs with Linux, and using badram to work around bad RAM in LInux.
• 16:9 computer displays: Let’s not go there, Dan Knight, Mac Musings, 2008.06.17. “…there’s no reason our computer displays should match the proportions of our television displays.”
• 5 business essentials for ‘The Switch’, Jason Packer, Macs in the Enterprise, 2008.06.06. If you’re planning a migration from Windows to Macs, these five steps will help you succeed in making the switch.
• 5 reasons Macs are right for business, 10.5.3 improves GeForce 8800 performance, and more, Mac News Review, 2008.06.06. Also 3.06 GHz iMac ‘packs a wallop’, convertible keyboard for Macs, free open source virtualization software, hard drive rescue software, and more.
• Virtual PC works with Leopard, Intel vs. PowerPC performance, beyond the Mac mini, and more, Dan Knight, Low End Mac Mailbag, 2008.05.20. Also upgrading Intel iMacs, Compact Flash in a PowerBook 2400, and thoughts on low-end Macs.
• SheepShaver brings Classic Mac OS to Intel Macs and Leopard, Alan Zisman, Mac2Windows, 2008.05.20. Mac OS X 10.5 doesn’t support Classic Mode. Neither does Leopard. But SheepShaver lets you emulate a PowerPC Mac and run the Classic Mac OS.
• Open source virtualization for Macs, iMac shutdowns, Psystar reviews, and more, Mac News Review, 2008.05.16. Also aluminum iMac USB power concerns, Penryn iMac twice as powerful as fastest G5 iMac, Radeon vs. GeForce in top-end iMac, Odysseus email client in beta, and more.
• Windows on Macs: Three paths for integration, Jason Packer, Macs in the Enterprise, 2008.05.14. Mac users have three routes for running Windows apps: Run Windows using Boot Camp or virtualization, or use a compatibility layer such as WINE.
• Value of old Power Macs, old computers in school, Panther or Tiger on Pismo, and more, Dan Knight, Low End Mac Mailbag, 2008.05.12. Also new 20″ Penryn iMac vs. 24″ Santa Rosa and great results with a low-cost external SuperDrive.
• Apple tops in tech support, Penryn iMacs and Psystar Open Computer reviewed, and more, Mac News Review, 2008.05.09. Also the iMac philosophy, OpenOffice 3.0 going Mac, MozyHome backup comes to Macs, weather in the Dock, and more.
• Prosumer Mac suggestions, bring back the 12″ ‘Book, Pismo displays, and more, Dan Knight, Low End Mac Mailbag, 2008.05.06. Readers offer more thoughts on a midrange Mac, the need for a new 12″ ‘Book, using F-keys as F-keys in OS X, and lid closed video mode for Pismo.
• Mac growth 4x PC rate, USB power famine, Montevina chips not in new iMacs, and more, Mac News Review, 2008.05.02. Also reducing energy waste from peripherals, fixing the Mac’s shortcomings, Open Computer shipping and reviewed, why Apple bought PA Semi, 5x the range for Time Capsule, Mac gaming mouse, and more.
• 50% Mac sales growth is only the beginning, Dan Knight, Mac Musings, 2008.05.02. Apple has a great line of computers and an awesome operating system, but a prosumer model could make last quarter’s growth seem normal.
• What’s the Best Version of OS X for My Mac?, Ian R Campbell, The Sensible Mac, 2008.02.28. Which version of Mac OS X is best for your hardware depends on several factors.
• Using the aluminum iMac: Color me impressed, Frank Fox, Stop the Noiz, 2008.04.22. A MacBook is a wonderful thing, but an iMac with a 20″ display can really spoil you.
• 18 bits can’t display millions of colors, today’s magic is different from yesterday’s, and more, Charles W Moore, Miscellaneous Ramblings, 2008.04.16. Also more feedback on Mac browsers, slow dialup Internet, and a SCSI-to-USB 2.0 solution.
• Add a second display, overlooked Leopard features, Nehalem chips hits 3.2 GHz, and more, Mac News Review, 2008.04.11. Also Apple and Canada, firware updates, Kensington keyboard with 3 USB ports, Magic Mail Folder, Newton Connection software, and more.
• 18-bit video inadequate, restoring AppleWorks speed, Macintosh display info, and more, Dan Knight, Low End Mac Mailbag, 2008.04.09. Also problems importing AppleWorks drawings and a damaged, unfixable mail database in Outlook Express 5.
• Millions vs. thousands of colors: What’s the difference?, Dan Knight, Mac Musings, 2008.04.07. Once again Apple is being sued over a Mac that can display ‘only’ 262,144 colors per pixel, not the millions it claims. Does it realy matter?
• Too few USB ports in too many Macs, developer Leopard ran on Yikes, Mac IIfx RAM heaven, and more, Dan Knight, Low End Mac Mailbag, 2008.01.16. Also Macworld Expo disappoints, Pismo a great field computer, using flash memory in vintage Macs, and Word vs. Pages for academic writing.
• Restore stability to a troubled Mac with a clean system install, Keith Winston, Linux to Mac, 2008.01.15. If your Mac is misbehaving, the best fix just might be a fresh reinstallation of Mac OS X – don’t forget to backup first.
• The best alternatives to Apple’s USB keyboards, Charles W Moore, Miscellaneous Ramblings, 2007.12.10. There are a lot of USB keyboards out there, even for the Mac, but these two have great keyboard action, are solidly built, and have features Apple’s keyboard don’t include.
• Cross-platform computing: Better than it’s ever been, Andrew J Fishkin, Best Tools for the Job, 2007.11.13. Macs can read PC media, both Macs and Windows PCs play nice with each other on networks, and emulation makes it easy for Intel Macs to run Windows apps.
• Beyond Google, 10 years on the G3, the Cube is not a Road Apple, and more, Dan Knight, Low End Mac Mailbag, 2007.11.13. Also the 64-bit advantage of Core 2, OS 9 on a USB flash drive, sound problems since switching to Leopard, and 7200 rpm in an eMac.
• Proof Macs cost less, Leopard spanks Vista, Mac pride pins, Arabic OS X 10.4.10, and more, Mac News Review, 2007.11.09. Also the pitfalls of Macintel recovery, waiting for the 10.5.1 update, QuickTime 7.3 released, new Leopard books, and more.
• External $100 Sony DVD burner likes Macs, Brian Gray, Fruitful Editing, 2007.10.10. The box and manual say nothing about Mac compatibility, but this 18x USB 2.0 DVD burner is plug-and-play (at least with Tiger).
• FastMac 8x SuperDrive and BurnAgain DVD: Fast and easy multisession disc burning, Charles W Moore, Miscellaneous Ramblings, 2007.10.08. FastMac’s 8x SuperDrive upgrade is remarkably fast compared with older PowerBook burners, and BurnAgain DVD makes it easy to append files to a previously burned CD or DVD.
• 3.2 Gbps FireWire, 4.8 Gbps USB coming, Macs cost less to use, a Core Image-based image editor, and more, Mac News Review, 2007.09.28. Also wireless USB to hit 1 Gbps, Mac sales are surging, aluminum iMacs have great image quality, 802.11n WiFi for most modern Macs, and more.
• Importing video into iMovie, jumping the gun on G3s and Leopard, interference robustness, and more, Dan Knight, Low End Mac Mailbag, 2007.09.18. Also, Intel Macs support 802.11a WiFi alongside b, g, and n, and USB card options for beige G3 Power Macs.
• Macs roar to #3 in US, ‘one amazing iMac’, 3 GB upgrade for Core 2 Mac mini, and more, Mac News Review, 2007.08.24. Also aluminum iMac reviews, aluminum keyboard “packed with improvements”, and QuickerTek’s antenna array for AirPort Extreme.
• Macs ‘more enjoyable’ than PCs, end of the G4, enthusiastic aluminum iMac reviews, and more, Mac News Review, 2007.08.17. Also Apple’s USB 2.0 keyboard, business looks a iMacs, Core 2 Mac mini benchmarked, miniStack NAS server, Virtual PC update improves security, and more.
• No junk from Apple, Mac mouse dies after 18 years, time to cut the gigabyte BS, and more, Mac News Review, 2007.08.10. Also new iMac and Mac mini models, Apple’s aluminum keyboards, new NAS drive looks like a Mac mini, first software update for aluminum iMacs, and more.
• Does a college freshman need to run Windows on a MacBook?, Al Poulin, My Turn, 2007.07.24. While you can run Windows on today’s Intel-based Macs, is there any reason most college students would want to or need to?
• Software to darken iMac display, columnist returns iPhone, Logitech introduces air mouse, and more, Mac News Review, 2007.07.20. Also a USB turntable for turning your record albums into MP3s, a retractable flash drive, iPhone: The Missing Manual, Parallels Desktop 3 a major update, and more.
• VMware Fusion beta 3 adds new features, takes a giant step toward release, Alan Zisman, Mac2Windows, 2007.04.11. Looking for a virtualization solution for your Intel Mac? The latest beta of VMWare Fusion makes several improvements and includes some unique features.
• 1 core, 2 cores, 4 cores, 8: How Much Difference Does It Make?, Dan Knight, Mac Musings, 2007.04.10. Geekbench scores make it possible to compare the newest 3 GHz 8-core Mac Pro with the 1.5 GHz Core Solo Mac mini – and all the models in between.
• 11 No Cost Tips for Optimizing Mac OS X 10.4 Tiger Performance, Ed Eubanks Jr, The Efficient Mac User, 2007.03.12. If your Mac is getting sluggish, here are 11 tips that can help restore its original performance.
• CrossOver: Run Windows Apps on Intel Macs Without Windows, Alan Zisman, Mac2Windows, 2007.02.28. If you need to run Windows apps on your Intel Mac once in a while, CrossOver may be the least expensive way to do so since it eliminates the need to buy a copy of Windows.
• Parallels Revisited: Release Version Far More Polished than Beta, Alan Zisman, Mac2Windows, 2006.11.21. Parallels lets you run Windows or Linux without rebooting your Intel-based Mac, and it’s made great strides since the beta came out earlier this year.
• To AppleCare or not to AppleCare?, Charles W Moore, Miscellaneous Ramblings, 2006.11.20. Consumer Reports, which generally recommends against extended warranties, says AppleCare makes sense. But does it?
• Pre-2006 Software: The Big Reason You Shouldn’t Buy an Intel Mac in 2006, Ted Hodges, Vintage Mac Living, 2006.11.09. If you work with software that predates the Intel transition, you may be better off sticking with PowerPC Macs. And if you use classic apps, you definitely want to avoid Intel.
• Region Free DVD Viewing Options for Intel and PowerPC Macs, Andrew J Fishkin, The Mobile Mac, 2006.09.12. Several hardware and software options that will let your view ‘wrong region’ DVDs on your PowerPC or Intel Mac.
• Comparing Apples to Apples: When is Macintel faster? When does PowerPC make more sense?, Dan Knight, Mac Musings, 2006.01.29. Benchmarks show the Intel Core Duo flies through native code but plods through PowerPC programs. Will PowerPC or Intel give you the more productive workflow?
• Macintel stumbling block: Sometimes you need Classic, Jeff Adkins, Mac Lab Report, 2006.01.25. As nice as the new Intel Macs seem to be, the lack of any Classic environment makes it impossible for some people to upgrade.

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When you upgrade to macOS Catalina, you get more of everything you love about Mac. Experience dedicated apps for music, TV, and podcasts. Smart new features in the apps you use every day. And Sidecar, which lets you use iPad as a second Mac display. Best of all, upgrading is free and easy.

Chances are, your Mac can run macOS Catalina.

Mac computers with Metal-capable graphics processors (GPUs) can upgrade to macOS Catalina.

Make sure you’re ready to upgrade.

Before you upgrade, we recommend that you back up your Mac. Then, if your Mac is running OS X Mavericks 10.9 or later, you can upgrade directly to macOS Catalina.

Upgrading is free. And easier than you think.

Upgrading from macOS Mojave?

Go to Software Update in System Preferences to find the macOS Catalina upgrade. Click Upgrade Now and follow the onscreen instructions to begin your upgrade. If you don’t have broadband access, you can upgrade your Mac at any Apple Store.

Upgrading from an older version of macOS?

If you’re running High Sierra (10.13), Sierra (10.12), or El Capitan (10.11), upgrade to macOS Catalina from the App Store. If you’re running Lion (10.7) or Mountain Lion (10.8), you will need to upgrade to El Capitan (10.11) first. If you don’t have broadband access, you can upgrade your Mac at any Apple Store.

• OS X 10.9 or later
• 4GB of memory
• 12.5GB of available storage (OS X El Capitan 10.11.5 or later)*

• Some features require an Apple ID; terms apply.
• Some features require a compatible internet service provider; fees may apply.

For details about your Mac model, click the Apple icon at the top left of your screen and choose About This Mac. These Mac models are compatible with macOS Catalina:

• MacBook (Early 2015 or newer)
• MacBook Air (Mid 2012 or newer)
• MacBook Pro (Mid 2012 or newer)
• Mac mini (Late 2012 or newer)

• iMac (Late 2012 or newer)
• iMac Pro (2017)
• Mac Pro (Late 2013 or newer)

Dictation and Voice Memos

Requires a microphone (built-in or external).

Spotlight Suggestions

Requires a broadband internet connection.

Gestures

Requires a Multi-Touch trackpad, Force Touch trackpad, Magic Trackpad, or Magic Mouse.

Force Touch gestures require a Force Touch trackpad.

VoiceOver gestures require a Multi-Touch trackpad, Force Touch trackpad, or Magic Trackpad.

Photo Booth

Requires a FaceTime or iSight camera (built-in or external), or USB video class (UVC) camera.

FaceTime

Audio calls require a microphone (built-in or external) and broadband internet connection.

Video calls require a built-in FaceTime camera, an iSight camera (built-in or external), or a USB video class (UVC) camera; and broadband internet connection.

Apple TV

High Dynamic Range (HDR) video playback is supported by the following Mac models:

• MacBook Pro (2018 or newer)
• iMac Pro (2017)
• Mac Pro (2019) with Pro Display XDR

Dolby Atmos soundtrack playback is supported by the following Mac models:

• MacBook Air (2018 or newer)
• MacBook Pro (2018 or newer)

Sidecar

Supported by the following Mac models:

• MacBook (2016 or newer)
• MacBook Air (2018 or newer)
• MacBook Pro (2016 or newer)
• Mac mini (2018 or newer)
• iMac (late 2015 or newer)
• iMac Pro (2017 or newer)
• Mac Pro (2019)

Supported by all iPad models with Apple Pencil support:

• 12.9-inch iPad Pro
• 11-inch iPad Pro
• 10.5-inch iPad Pro
• 9.7-inch iPad Pro
• iPad (6th generation or later)
• iPad mini (5th generation)
• iPad Air (3rd generation)

Continuity Camera

Requires an iPhone or iPad with a Lightning connector and iOS 12 or later.

Continuity Sketch and Continuity Markup

Requires an iPhone with iOS 13 or an iPad with iPadOS.

Handoff

Requires an iPhone or iPad with a Lightning connector and iOS 8 or later.

Instant Hotspot

Requires an iPhone or iPad with cellular connectivity, a Lightning connector, and iOS 8.1 or later. Requires Personal Hotspot service through your carrier.

Universal Clipboard

Requires an iPhone or iPad with a Lightning connector and iOS 10 or later.

Auto Unlock

Supported by Mac models introduced in mid 2013 or later.

Requires an Apple Watch with watchOS 3 or later or an iPhone 5 or later.

Approve with Apple Watch

Supported by Mac models introduced in mid 2013 or later.

Requires an Apple Watch with watchOS 6 or later or an iPhone 6s or later with iOS 13.

Phone Calling

Requires an iPhone with iOS 8 or later and an activated carrier plan.

SMS

Requires an iPhone with iOS 8.1 or later and an activated carrier plan. Hotspot vpn for mac os x 10.7.5 ffice for mac os x 10 7 5 free.

Home

Requires an iPhone with iOS 12 or later and a configured Home app.

AirDrop

AirDrop to iOS and iPadOS devices requires an iPhone or iPad with a Lightning connector and iOS 7 or later.

AirPlay

AirPlay Mirroring requires an Apple TV (2nd generation or later).

AirPlay for web video requires an Apple TV (2nd generation or later).

Peer-to-peer AirPlay requires a Mac (2012 or later) and an Apple TV (3rd generation rev A, model A1469 or later) with Apple TV software 7.0 or later.

Time Machine

Requires an external storage device (sold separately).

Power Nap

Supported by the following Mac models:

• MacBook (Early 2015 or newer)
• MacBook Air (Mid 2012 or newer)
• MacBook Pro with Retina display (Mid 2012 or newer)
• Mac mini (Late 2012 or newer)
• iMac (Late 2012 or newer)
• iMac Pro (2017)
• Mac Pro (Late 2013 or newer)

Boot Camp

Allows Boot Camp installations of Windows 10 on supported Mac models.

Exchange Support

Requires Microsoft Office 365, Exchange 2016, Exchange 2013, or Exchange Server 2010. Installing the latest Service Packs is recommended.

Windows Migration

Supports OS X 10.7 or later and Windows 7 or later.

App Store

Available only to persons age 13 or older in the U.S. and many other countries and regions.

• Apple Books
• App Store
• Automator
• Calculator
• Calendar
• Chess
• Contacts
• Dashboard
• Dictionary
• DVD Player
• FaceTime
• Find My
• Font Book
• Home
• Image Capture
• Launchpad
• Mail
• Maps

• Messages
• Mission Control
• Music
• Notes
• Photo Booth
• Photos
• Podcasts
• Preview
• QuickTime Player
• Reminders
• Safari
• Stickies
• Stocks
• System Preferences
• TextEdit
• Time Machine
• TV
• Voice Memos

• Activity Monitor
• AirPort Utility
• Audio MIDI Setup
• Bluetooth File Exchange
• Boot Camp Assistant
• ColorSync Utility
• Console
• Digital Color Meter
• Disk Utility

• Grapher
• Keychain Access
• Migration Assistant
• Screenshot
• Screen Time
• Script Editor
• Sidecar
• System Information
• Terminal
• VoiceOver Utility

• Arabic
• Catalan
• Croatian
• Simplified Chinese
• Traditional Chinese
• Traditional Chinese (Hong Kong)
• Czech
• Danish
• Dutch
• English (Australia)
• English (UK)
• English (U.S.)
• Finnish
• French
• French (Canada)
• German
• Greek
• Hebrew
• Hindi
• Hungarian

Newest Os X For A1224 Imac 2008 Manual

• Indonesian
• Italian
• Japanese
• Korean
• Malay
• Norwegian
• Polish
• Brazilian Portuguese
• Portuguese
• Romanian
• Russian
• Slovak
• Spanish
• Spanish (Latin America)
• Swedish
• Thai
• Turkish
• Ukrainian
• Vietnamese