High Sierra is an update of MacOS which focuses mostly on back-end developments and a higher level of user security. As such, this operating system lays a foundation for future upgrades.
The new Mac operating system offers more than a name change. MacOS Sierra version 10.12 moves Apple's desktop OS closer to its mobile counterpart, gaining Siri, Apple Pay, and more.
- Actually the above statement is only half true.I own a Mac Pro 1.1 and while the above statement states the maximum supported operating systems (by apple) it is running Yosemite perfectly and with windows 8.1 Professional 64-bit (x64) on a secondary hard drive and will be updated to El-Capitan in the near future.
- Mac Pro 1.1 (2.1) with new CPUs and El Cap will probably be around for a while unless it breaks, as Adobe CS6 in likely to start misbehaving on the newer OS and I. Stay safe In essence, High Sierra took what was good with Sierra and developed it into a more comprehensive software. High Sierra emphasizes the already-existing benefits of MacOS.
Jun 06, 2016 Install mac OS Sierra on unsupported Macs - Duration: 6:21. TechDennis 83,513 views. 4K editing on a Mac Pro 1.1 in 2018 - Duration: 4:33. PL B 11,110 views. Mac Pro 1,1 to 2,1 EFI. Jul 31, 2020 Mac Pro introduced in mid 2010 or later. 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 macOS Sierra, the installer will let you know. Make a backup. Before installing any upgrade, it’s a good idea to back up your Mac. Time Machine makes it simple. Apr 27, 2017 Looks like my Mac Pro is too old for macOS Sierra. I could have just done a search on iMore to discover that the cut off date for Sierra on Mac Pros was 2010. Never give up! Not to be deterred, I found a number of tutorials on how to install Sierra on an unsupported Mac! This involves disabling SIP or System Integrity Protection and makes your Mac less secure. Jul 01, 2016 I too have a similar Mac collection - G4 Sawtooth and Performa 6200 are in the attic now though. Mac Pro 1.1 (2.1) with new CPUs and El Cap will probably be around for a while unless it breaks, as Adobe CS6 in likely to start misbehaving on the newer OS and I.
Stay safe
In essence, High Sierra took what was good with Sierra and developed it into a more comprehensive software.
High Sierra emphasizes the already-existing benefits of MacOS previous system, Sierra. There are few bells and whistles, but the changes are noticeable and positive. The Apple file system is the most significant feature it brought. It enables the storage and encryption of a large number of files. Thus, it boosts performance and helps manage device memory issues. Good reader crack keygen adobe.
Apple also introduced new formats for video and photos in this version. These formats compress data - that’s a benefit as files can get huge with ever-rising resolutions. They added support for virtual reality headsets as well.
Besides that, when it comes to Safari, Mac search engine, there are some notable improvements with the update. The users can now control annoying auto-play videos, prevent tracking, and more. There are also notification controls, and you will experience a boost in performance, too.
The most noticeable changes took place in Apple’s Photo App, though. It went through a total revamp both visually in its interface and terms of tools and functions available. Many other discreet changes happened all over the system.
Where can you run this program?
If you’re running Sierra on your Mac, you will be able to run this one as well.
Is there a better alternative?
Yes. Mojave, the newest version of MacOS, brought even more improved features to the table. However, if you can’t run it on your device, this is the second best.
Our take
High Sierra is not the shiniest upgrade Apple brought, but it’s one that sets the stage for new upgrades to come. Even out of that context, it’s a great operating system.
Should you download it?
Yes, if your device can support it. The new options and better security settings are worth getting.
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Check compatibility
You can upgrade to macOS High Sierra from OS X Mountain Lion or later on any of the following Mac models. Your Mac also needs at least 2GB of memory and 14.3GB of available storage space.
MacBook introduced in late 2009 or later
MacBook Air introduced in late 2010 or later
MacBook Pro introduced in mid 2010 or later
Mac mini introduced in mid 2010 or later
iMac introduced in late 2009 or later
Mac Pro introduced in mid 2010 or later
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 macOS High Sierra, the installer will let you know.
Make a backup
Before installing any upgrade, it’s a good idea to back up your Mac. Time Machine makes it simple, and other backup methods are also available. Learn how to back up your Mac.
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Get connected
It takes time to download and install macOS, so make sure that you have a reliable Internet connection. If you're using a Mac notebook computer, plug it into AC power.
Download macOS High Sierra
For the strongest security and latest features, find out whether you can upgrade to macOS Catalina, the latest version of the Mac operating system.
If you still need macOS High Sierra, use this App Store link: Get macOS High Sierra.
Begin installation
After downloading, the installer opens automatically.
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Click Continue and follow the onscreen instructions. You might find it easiest to begin installation in the evening so that it can complete overnight, if needed.
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If the installer asks for permission to install a helper tool, enter the administrator name and password that you use to log in to your Mac, then click Add Helper.
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Allow installation to complete
Please allow installation to complete without putting your Mac to sleep or closing its lid. Your Mac might restart, show a progress bar, or show a blank screen several times as it installs both macOS and related updates to your Mac firmware.
Learn more
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- If you have hardware or software that isn't compatible with High Sierra, you might be able to install an earlier macOS, such as Sierra or El Capitan.
- macOS High Sierra won't install on top of a later version of macOS, but you can erase your disk first or install on another disk.
- You can use macOS Recovery to reinstall macOS.
So we received a couple of Mac Pro 1,1′s which were having issues and decided to see what we could make from them. The idea being to make a powerful, modern Mac as cheaply as possible. The Mac Pro 1,1 is a great place to start – it has masses of internal expansion, and can be grabbed cheaply second hand sources, often for less than £ 100.
The basic issue with the Mac Pro 1,1 is that as factory setup and running it will not run above Mac OS 10.7.5 – this limits it’s usability; especially with Applications like Adobe CC or even modern apps like Photos or iTunes. It also limits some upgrade options; especially with Graphics cards like our R9 – as these earlier OSes do not have the drivers needed.
To start with much of this work has been done by others; I will try and link back to sources as much as possible. That said many people have done similar things in different ways – so I will try and justify my methodology as well (or at least explain the logic behind the decision).
The short short version:
1) Upgrade the firmware to Mac Pro 2,1 (add support for newer CPUs)
2) Upgrade the CPUs to 2 x Quad Core 3.0Ghz Xeons.
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3) Upgrade the RAM to above 16GB (we went to 32GB but anything above 16GB should be fine)
4) Install 4 x HDDs (defiantly Matched in size – preferably matched in brand, model etc) – Setup as a RAID 0 – and Test.
5) Upgrade the Graphics Card (we used our R9) – you need to have at least 512 MB VRAM.
6) Install Mac OS X 10.11.6 onto the RAID and modify the boot.efi and <supported platforms> list
7) Boot and enjoy!!
So these steps in detail – with reasons and processes.
1) Upgrade the firmware to Mac Pro 2,1 (add support for newer CPUs)
There is a useful forum here: which has a utility to do this. I followed the instructions and rebooted with the long tone and off you trot! This is needed to add support for the newer CPUs we had in store.
2) Upgrade the CPUs to 2 x Quad Core 3.0Ghz Xeons.
We had these in store from a failed Mac Pro 2,1 which had logic issues – but they can be purchased from eBay very cheaply – there is a great list here on MacRumors which can help you decide which suit your budget / needs. If you want to run lots at any one time then going from Dual Core to Quad Core can be helpful (I wanted to get virtualization working to support legacy OSes at the same time) – otherwise going for higher clock speed is more helpful for processes such as video encoding.
3) Upgrade the RAM to above 16GB (we went to 32GB but anything above 16GB should be fine)
If you trust the second hand market; you can pick up some real bargains for 667mhz RAM for these Machines (we do see some customers with issues from second hand RAM but would image it is a small number given how much it appears on eBay etc) – we do sell new modules here.
You MUST have above 12 GB RAM to run El Capitan without it falling over at random intervals – when we had it up and running with 8GB (waiting for a stock delivery) it would fall over every 10 mins or so at random times – since the upgrade it is up for days without any bother.
4) Install 4 x HDDs (defiantly Matched in size – preferably matched in brand, model etc) – Setup as a RAID 0 – and Test.
I had 4 x 3TB HDDs from a previous project which were no longer being used – a bit of a miss match of brands (a pair of Seagate 3TB, and a pair of WD Green 3TB drives). Once these were installed in the Mac Pro I used Target Disk mode via Firewire to a Mac Mini and setup as a RAID 0 using SoftRAID. Using target mode meant that we could install the latest SoftRAID drivers and not have issues later with older versions etc.
This RAID gives over 500MB/s read and write speed (as tested with BlackMagic Disk Speed Test) – and you could expect more with newer and matched drives. Not bad for 12TB of storage!
I used RAID 0 as this Mac will be backed up to a Time Machine server and also be acting as a Media Backup – so failure accounted for.
5) Upgrade the Graphics Card (I used our R9) – you need to have at least 512 MB VRAM.
Video Cards with less than 512 MB VRAM cause issues on these early Mac Pros with the later OSes. I replaced the stock GT with a flashed R9 270x 2GB VRAM. Other cards will work; however the 270x is within the Max power draw spec, has nice out of the box driver support in 10.11.6 and full Dual-link DVI.
6) Install Mac OS X 10.11.6 onto the RAID and modify the boot.efi and <supported platforms> list
I used the Mac Pro in Target disk mode attached to a 2012 Mac Mini running 10.9 – this allowed me to install 10.11.3, create an account and complete all the usual upgrades to 10.11.6 so that I knew it was a fully working install. – Effectively using the Mac Pro as a big hard drive enclosure!
Once it was all working I booted back into the Mac Mini and followed the instructions here:
This involved replacing the boot.efi and adding a line item to the <supported devices> plist. (I went for grey as I am a traditionalist!).
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A tentative reboot with the “Alt” key and the 10.11.6 RAID appeared – selected and then the login appeared! It lives! Make sure that the hard drive is selected in the startup disk panel to avoid a long delay on boot and it has been up and running ever since!
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So now I have a Mac Pro, running El Capitan 10.11.6 with 32GB RAM, 12TB hard drive operating at similar speeds to a modern SSD, the wonderful R9 270X with 2GB VRAM and two displays. Daily it runs four web browsers with approx 10 tabs in each, Parallels with various older OSes from 10.6.8 server upwards, Photos, eMail, Facetime (with a USB webcam), iTunes, iWork and all the usual office tasks and all for less than the cost of a iPad!