1. Mac Os Versions
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3. Supra Ring Mac Os Download
4. Supra Ring Mac Os X
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Amazon EC2 Mac instances enable customers to run on-demand macOS workloads in the cloud for the first time, extending the flexibility, scalability, and cost benefits of AWS to all Apple developers. With EC2 Mac instances, developers creating apps for iPhone, iPad, Mac, Apple Watch, Apple TV, and Safari can provision and access macOS environments within minutes, dynamically scale capacity as needed, and benefit from AWS’s pay-as-you-go pricing.

Powered by AWS Nitro System, EC2 Mac instances are built on Apple Mac mini computers featuring Intel Core i7 processors, and offer customers a choice of macOS Mojave (10.14), macOS Catalina (10.15), and macOS Big Sur (11.2.1). Access the Amazon EC2 Mac User Guide here.

This site contains user submitted content, comments and opinions and is for informational purposes only. Apple may provide or recommend responses as a possible solution based on the information provided; every potential issue may involve several factors not detailed in the conversations captured in an electronic forum and Apple can therefore provide no guarantee as to the. The default Apple keyboard also has two alt keys on the keyboard layout. They are named as Option with the small name “alt” on it. Alt keys are one of the hidden gems in Apple keyboard less used by most of the Mac users. In this article, we provide the complete list alt code shortcuts for Mac to insert symbols. Miniaturized pressure ring and a superior spline-through-side-gear design allows for fitment of more friction plates (up to 2x as many as competitors versions), offering true 100% lock capability. Patented pressure ring design allows for smooth, progressive locking.

Benefits

Quickly provision macOS environments

Time and resources previously spent building and maintaining on-premises macOS environments can now be refocused on building creative and useful apps. Development teams can now seamlessly provision and access macOS compute environments to enjoy convenient, distributed testing and fast app builds, bringing additional choice to developers so they can use Mac as their trusted platform, on-premises or in the cloud. EC2 Mac instances offload the heavy lifting that comes with managing infrastructure to AWS, which means Apple developers can focus entirely on building great apps.

Reduce costs

EC2 Mac instances allow developers to launch macOS environments within minutes, adjust provisioned capacity as needed, and only pay for actual usage with AWS’s pay-as-you-go pricing. Developers save money since they only need to pay for the systems that are in use. For example, more capacity can be used when building an app, and less capacity when testing.

Extend your toolkits

EC2 Mac instances provide developers with seamless access to dozens of AWS services so they can more easily and efficiently collaborate with team members, and develop, build, test, analyze, and improve their apps. Similar to other EC2 instances, customers can easily use EC2 Mac instances together with AWS services and features like Amazon Virtual Private Cloud (VPC) for network security, Amazon Elastic Block Storage (EBS) for expandable storage, Amazon Elastic Load Balancer (ELB) for distributing build queues, Amazon FSx for scalable file storage, and AWS Systems Manager (SSM) for configuring, managing, and patching macOS environments.

Features

Built on Apple Mac hardware

Amazon EC2 Mac instances are built on Apple Mac mini computers, featuring 8th Generation 3.2GHz (4.6GHz turbo) Intel Core i7 processors with 6 physical/12 logical cores, and 32GiB of Memory.

Enabled by the AWS Nitro System

The AWS Nitro System is a rich collection of building blocks that offloads many of the traditional software-defined functions to dedicated hardware and software to deliver high performance, high availability, and high security. Amazon EC2 Mac instances are uniquely enabled by the AWS Nitro System, which makes it possible to offer Mac mini computers as fully integrated and managed EC2 instances to provide 10 Gbps of VPC network bandwidth and 8 Gbps of EBS storage bandwidth.

Scaled on highly reliable infrastructure

EC2 Mac instances are designed so that customers can build critical applications with confidence. AWS has the most secure, extensive, and reliable global infrastructure for running workloads that require high availability, and is recognized as an industry leader for uptime standards. EC2 Mac instances enable your macOS workloads to benefit from the scale, elasticity, reliability, and experience that AWS’s secure, on-demand infrastructure has offered to millions of customers for more than a decade.

Product Details

Pricing

EC2 Mac instances are available for purchase as Dedicated Hosts through On Demand and Savings Plans pricing models. Billing for EC2 Mac instances is per second with a 24-hour minimum allocation period to comply with the Apple macOS Software License Agreement. Through On Demand, you can launch an EC2 Mac host and be up and running within minutes. At the end of the 24-hour minimum allocation period, the host can be released at any time without further commitment. With Savings Plans, you can save up to 44% off On Demand pricing with a 3-year commitment. Both Compute and Instance Savings Plans are available. For more information on Dedicated Hosts, please see the Dedicated Hosts product page. In addition to the table below, you can also access EC2 Mac pricing on the AWS Pricing Calculator for Dedicated Hosts.

Mac Os Versions

• North America (N. Virginia, Ohio, Oregon)

• 3-year term
  Purchase Option	On-Demand	Instance Savings Plan			Compute Savings Plan
  Terms	Pay-as-you-go	All Upfront	Partial upfront	No Upfront	All Upfront	Partial upfront	No Upfront
  								Price per Hour	$1.083	$0.611	$0.650	$0.702	$0.764	$0.780	$0.842
  Savings over On-Demand	N/A	44%	40%	35%	29%	28%	22%

  1-year term
  Purchase Option	On-Demand	Instance Savings Plan			Compute Savings Plan
  Terms	Pay-as-you-go	All Upfront	Partial upfront	No Upfront	All Upfront	Partial upfront	No Upfront
  								Price per Hour	$1.083	$0.849	$0.867	$0.910	$1.019	$1.040	$1.083
  Savings over On-Demand	N/A	22%	20%	16%	6%	4%	0%

• 3-year term
  Purchase Option	On-Demand	Instance Savings Plan			Compute Savings Plan
  Terms	Pay-as-you-go	All Upfront	Partial upfront	No Upfront	All Upfront	Partial upfront	No Upfront
  								Price per Hour	$1.354	$0.764	$0.812	$0.764	$0.955	$0.975	$1.053
  Savings over On-Demand	N/A	44%	40%	35%	29%	28%	22%

  1-year term
  Purchase Option	On-Demand	Instance Savings Plan			Compute Savings Plan
  Terms	Pay-as-you-go	All Upfront	Partial upfront	No Upfront	All Upfront	Partial upfront	No Upfront
  								Price per Hour	$1.354	$1.062	$1.083	$1.137	$1.274	$1.300	$1.354
  Savings over On-Demand	N/A	22%	20%	16%	6%	4%	0%

• 3-year term
  Purchase Option	On-Demand	Instance Savings Plan			Compute Savings Plan
  Terms	Pay-as-you-go	All Upfront	Partial upfront	No Upfront	All Upfront	Partial upfront	No Upfront
  								Price per Hour	$1.207	$0.681	$0.724	$0.782	$0.852	$0.869	$0.939
  Savings over On-Demand	N/A	44%	40%	35%	29%	28%	22%

  1-year term
  Purchase Option	On-Demand	Instance Savings Plan			Compute Savings Plan
  Terms	Pay-as-you-go	All Upfront	Partial upfront	No Upfront	All Upfront	Partial upfront	No Upfront
  								Price per Hour	$1.207	$0.947	$0.996	$1.104	$1.136	$1.159	$1.207
  Savings over On-Demand	N/A	22%	20%	16%	6%	4%	0%

Customers

'Intuit is a mission-driven, global financial platform company. Its products - including TurboTax, QuickBooks, and Mint - are designed to empower more than 50 million consumer, small business and self-employed customers around the world to improve their financial lives. EC2 Mac instances, with their familiar EC2 interfaces and APIs, have enabled us to seamlessly migrate our existing iOS and macOS build-and-test pipelines to AWS, altogether improving developer productivity. We’re experiencing up to 30 percent better performance over our data center infrastructure, thanks to elastic capacity expansion, and a high availability setup leveraging multiple zones. We’re now running around 80 percent of our production builds on EC2 Mac instances, and are excited to see what the future holds for AWS innovation in this space.'

Pratik Wadher, VP of Product Development, Intuit

Listen to Pratik Wadher, the VP of Product Development at Intuit, describe how and why Intuit is using Amazon EC2 Mac instances.

“FiLMiC, Inc. is the creator of the award-winning mobile cinema camera app, FiLMiC Pro. With a global team of filmmakers, photographers, creatives and software developers who share the same passion for mobile cinema and content creation, FiLMiC has designed what has become the industry's most sought-after app that transforms a simple mobile device into a cinematic film camera. Amazon EC2 Mac instances give us the ability to scale up our continuous integration build farm in order to quickly go through development, testing and TestFlight stages. This leads to better velocity and more time working on the fun stuff.”

Seth Faxon, iOS Development Manager, FiLMiC

“At Ring, we are committed to making home and neighborhood security accessible and effective for everyone while working hard to bring communities together. EC2 Mac instances will allow us to migrate our Apple build infrastructure to AWS, unlocking the scalability, reliability, security, and capabilities of AWS for all our Apple developers. These EC2 Mac instances will also let us quickly scale up our Mac build fleet whenever we need it, simplify cross-platform app development through consolidation on a single infrastructure provider, and ultimately accelerate innovations for thousands of our Apple customers.”

Joshua Roth, CTO

Resources

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The classic Macintosh startup sequence includes hardware tests which may trigger the startup chime, Happy Mac, Sad Mac, and Chimes of Death. On Macs running macOS Big Sur the startup sound is enabled by default, but can be disabled by the user within system preferences.^[1]

Startup chime[edit]

The Macintosh startup chime is played on power-up, before trying to boot an operating system. The sound indicates that diagnostic tests run immediately at startup have found no hardware or fundamental software problems.^[2] The specific sound differs depending on the ROM, which greatly varies depending on Macintosh model. The first sound version in the first three Macintosh models is a simple square-wave 'beep', and all subsequent sounds are various chords.

Mark Lentczner created the software that plays the arpeggiated chord in the Macintosh II. Variations of this sound were deployed until Jim Reekes created the startup chime in the Quadra 700 through the Quadra 800.^[3] Reekes said, 'The startup sound was done in my home studio on a Korg Wavestation EX. It's a C major chord, played with both hands stretched out as wide as possible (with 3rd at the top, if I recall).' He created the sound as he was annoyed with the tri-tone startup chimes because they were too associated with the death chimes and the computer crashes. He recalls that Apple did not give him permission to change the sound but that he secretly snuck the sound into the computers with the help of engineers who were in charge of the ROM chips. When Apple discovered this, he refused to change it, using various claims in order to keep the new sound intact.^[4] He is also the creator of the iconic (or 'earconic', as he calls it) 'bong' startup chime in most Macintoshes since the Quadra 840AV. A slightly lower-pitched version of this chime is in all PCI-based Power Macs until the iMac G3. The Macintosh LC, LC II, and Macintosh Classic II do not use the Reekes chime, instead using an F major chord that just produces a 'ding' sound. The first generation of Power Macintosh computers also do not use the Reekes chime, instead using a chord strummed on a Yamaha12-string acoustic guitar by jazz guitarist Stanley Jordan. Further, the Power Macintosh 5200–6300 computers (excluding the 5400 and 5500, which have the 'bong' chime like the one in the PCI-based Power Macs) use a unique chime, which is also in the television commercials for the Power Macintosh and PowerBook series from 1995 until 1998, and the 20th Anniversary Macintosh uses another unique sound.

For models built prior to the introduction of the Power Macintosh in 1994, the failure of initial self-diagnostic tests results in a Sad Mac icon, an error code, and distinctive Chimes of Death sounds.

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The chime for all Mac computers from 1998 to 2016 is the same chime used first in the iMac G3. The chord is a F-sharp major chord, and was produced by pitch-shifting the 840AV's sound. The Mac startup chime is now a registered trademark in the United States,^[5] and is featured in the 2008 Pixar film WALL-E when the titular robot character is fully recharged by solar panels as well as in the 2007 Brad Paisley song 'Online'.^[6]

Starting with the 2016 MacBook Pro, all new Macs were shipped without a startup chime, with the Macs silently booting when powered on.^[7] In 2020, the startup chime would be added to these models with the release of macOS Big Sur, which allows it to be enabled or disabled in System Preferences.^[8] On the macOS Big Sur 11.0.1 beta, it was discovered that the new lower pitched chime was brought to all older supported Macs. In a firmware update included in the macOS Catalina 2020-001 Security Update, and the macOS Mojave 2020-007 Security Update, the new startup chime in Big Sur is brought to all Catalina and Mojave supported Macs except 2012 models.

Happy Mac[edit]

A Happy Mac is the normal bootup (startup) icon of an Apple Macintosh computer running older versions of the Mac operating system. It was designed by Susan Kare in the 1980s, drawing inspiration from the design of the Compact Macintosh series and from the Batman character Two-Face.^[9] The icon remained unchanged until the introduction of New World ROM Macs, when it was updated to 8-bit color. The Happy Mac indicates that booting has successfully begun, whereas a Sad Mac (along with the 'Chimes of Death' melody or one or more beeps) indicates a hardware problem.

When a Macintosh boots into the classic Mac OS (Mac OS 9 or lower), the system will play its startup chime, the screen will turn gray, and the Happy Mac icon will appear, followed by the Mac OS splash screen (or the small 'Welcome to Macintosh' screen in System 7.5 and earlier), which underwent several stylistic changes. Mac OS versions 8.6 and later also includes the version number in this splash screen (for example, 'Welcome to Mac OS 8.6').

On early Macs that had no internal hard drive, the computer boots up to a point where it needs to load the operating system from a floppy disk. Until the user inserts the correct disk, the Mac displays a floppy icon with a blinking question mark. In later Macs, a folder icon with a question mark that repeatedly changes to the Finder icon is shown if a System Folder or boot loader file cannot be found on the startup disk.

With the introduction of Mac OS X, in addition to the blinking system folder icon, a prohibition icon was added to show an incorrect OS version is found. The bomb screen in the classic Mac OS was replaced with a kernel panic, which was originally colored white but was changed to black in version 10.3. With Mac OS X 10.1, a new Happy Mac was included. This is also the last version that had a Happy Mac icon; in version 10.2, the Happy Mac symbol was replaced with the Apple logo. In OS X Lion 10.7, the Apple logo was slightly shrunk and modified. In OS X Yosemite 10.10, the white screen with a gray Apple logo was replaced with a black screen with a white Apple logo and the spinning wheel was replaced with a loading bar. However, this only applies to Macs from 2013 and later, including the 2012 Retina MacBook Pros, and requires a firmware update to be applied. All earlier Macs still use the old screen. The shadow on the Apple logo was removed in OS X El Capitan 10.11. In 2016+ Macs, the Apple logo appears immediately when the screen turns on.The Face ID logo for the iPhone X was based on the Happy Mac.

Sad Mac[edit]

A Sad Mac is a symbol in older-generation Apple Macintosh computers (hardware using the Old World ROM and not Open Firmware, which are those predating onboard USB), starting with the original 128K Macintosh and ending with the last NuBus-based Power Macintosh models (including the first-generation 6100, 7100, 8100, as well as the PowerBook 5300 and 1400),^[10] to indicate a severe hardware or software problem that prevented startup from occurring successfully. The Sad Mac icon is displayed, along with a set of hexadecimal codes that indicate the type of problem at startup. Different codes are for different errors. This is in place of the normal Happy Mac icon, which indicates that the startup-time hardware tests were successful. In 68k models made after the Macintosh II, the Chimes of Death are played.

Models prior to the Macintosh II crash silently and display the Sad Mac, without playing any tone. PowerPC Macs play a sound effect of a car crash, and computers equipped with the PowerPC upgrade card use the three note brass fanfare death chime (A, E-natural, and E-flat), followed by the sound of a drum, same as the Macintosh Performa 6200 and Macintosh Performa 6300.

A Sad Mac may be deliberately generated at startup by pressing the interrupt switch on Macintosh computers that had one installed, or by pressing Command and Power keys shortly after the startup chime. On some Macintoshes such as PowerBook 540c, if the user presses the command and power keys before the boot screen displays, it will play the 'chimes of death'. The chimes are a fraction of normal speed and there is no Sad Mac displayed.

Old World ROM Power Macintosh and PowerBook models based on the PCI architecture do not use a Sad Mac icon and will instead only play the error/car-crash sound on a hardware failure (such as missing or bad memory, unusable CPU, or similar).

Mac OS X 10.2 Jaguar and later instead use the Universal 'no' symbol to denote a hardware or software error that renders the computer non-bootable.^[11][12]

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Sad iPod[edit]

On the iPod, if damage or an error occurs in the hardware or the firmware, for example, if its files are deleted, a Sad iPod appears. This is similar to the Sad Mac, but instead of a Macintosh, there is an iPod, and there are no chimes of death. The icon also lacks a nose, and the frown is flipped horizontally. It also does not show hexadecimal codes indicating what problem occurred in the iPod. This error screen will not show up when a problem occurs in the newer iPods.

Chimes of Death[edit]

The Chimes of Death are the Macintosh equivalent of a beep code on IBM PC compatibles. On all Macintosh models predating the adoption of PCI and Open Firmware, the Chimes of Death are often accompanied by a Sad Mac icon in the middle of the screen.

Different Macintosh series have different death chimes. The Macintosh II is the first to use the death chimes, a loud and eerie upward major arpeggio, with different chimes on many models. The Macintosh Quadra, Centris, Performa, LC, and the Macintosh Classic II play a generally softer and lower pitched version of the upward major arpeggio, followed by three or four notes, with slight variation depending on the model of the Macintosh. The PowerBook 5300, 190, and 1400 use the second half of the 8-note arpeggio as found on the Quadra and Centris models, or the entire death chime if the error occurs before the screen lights up. The Macintosh Quadra 660AV and Centris 660AV use a sound of a single pass of Roland D-50's 'Digital Native Dance' sample loop, and the NuBus based Power Macintosh models (including 6100,^[13] 7100, and 8100) series use a car crash sound. The Power Macintosh and Performa 6200 and 6300 series, along with the Power Macintosh upgrade card, use an eerily dramatic 3-note brass fanfare with a rhythm of drums and cymbals. The pre-G3 PCI Power Macs, the beige G3 Power Macs, the G3 All-In-One, and the PowerBook 2400, 3400, and G3 all use a sound of glass shattering; these models do not display a Sad Mac icon. Since the introduction of the iMac in 1998, the Chimes of Death are no longer used in favor of a series of tones to indicate hardware errors.

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See also[edit]

References[edit]

1. ^About Mac startup tones Apple. November 8, 2018. Retrieved February 23, 2020
2. ^Hardwick, Tim (October 30, 2016). 'Classic Mac Startup Chime Not Present in New MacBook Pros'. MacRumors. Retrieved September 14, 2020.
3. ^Whitwell, Tom (May 26, 2005) 'Tiny Music Makers: Pt 4: The Mac Startup Sound', Music Thing
4. ^Pettitt, Jeniece (March 24, 2018). 'Meet the man who created Apple's most iconic sounds: Sosumi, the camera click and the start-up chord'. CNBC. Retrieved March 24, 2018.
5. ^'Apple's Classic Mac Startup Chime is now a Registered Trademark'. Patently Apple. December 12, 2012. Retrieved October 30, 2016.
6. ^Apple Sound Designer on Iconic Startup Sound. Obama Pacman. March 10, 2010. Retrieved January 24, 2011.
7. ^Hardwick, Tim (October 30, 2016). 'Classic Mac Startup Chime Not Present in New MacBook Pros'. MacRumors. Retrieved October 30, 2016.
8. ^Peters, Jay (June 23, 2020). 'The Mac's iconic startup chime is back in macOS Big Sur'. The Verge. Retrieved June 28, 2020.
9. ^Hertzfield, Andy (November 19, 2011). Revolution in The Valley [Paperback]: The Insanely Great Story of How the Mac Was Made. O'Reilly Media. ISBN978-1-4493-1624-2.
10. ^'Macintosh: 'Sad Macintosh' Error Code Meaning'. Apple. November 30, 2003. Archived from the original on June 17, 2009. Retrieved August 24, 2008.
11. ^'OS X: 'Broken folder' icon, prohibitory sign, or kernel panic when computer starts. Apple'. Archived from the original on October 13, 2007. Retrieved July 29, 2010.
12. ^Delio, Michelle (August 2, 2002). ''Happy Mac' Killed By Jaguar'. Wired.com. Archived from the original on February 4, 2011.
13. ^'Weird Mac Startup and Crash Sounds'. 512 Pixels. November 14, 2011.

External links[edit]

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• The Original Macintosh: Boot Beep – Folklore.org