- Mac OS X/64-bit Intel: 8.11 (cuda75mac) 16 Nov 2016, 1:55:03 UTC: 11 GigaFLOPS: Mac OS X/64-bit Intel: 8.19 (openclnvidiamacold) 28 Dec 2016, 23:34:07 UTC: 12.
- FireWing 64 was made by Studio Besus as a tribute to the golden age of N64 platformers like Banjo-Kazooie and Donkey Kong 64. Complete with all of the action.
- Downloaded the iso image and proceeded to make a Mac OS X bootable USB on windows. To create a bootable media to install Mac OS X leopard on my old macbook A1181. I used imageusb and installed. I was very happy to find this 10.5.4 version which worked perfectly. Many thanks to all.
- Connect the FW drive to your Mac. Power up your Mac. (The internal HD isn't needed to load the OS on an external drive.) Install the CD/DVD and hold down the 'C' button. Once the installer is up and running, from the 'Utilities' menu, Disk Utility will let you prep the drive for use. Continue the installation process.
Editor’s Note: Our ongoing preview of the announced features in OS X 10.5 continues, with this profile of Leopard’s enhanced support for 64-bit computing.
Full 64-bit support got top billing in Steve Jobs’ Worldwide Developers Conference keynote —it was first on the list of Leopard enhancements he previewed, ahead even of Apple’s striking Time Machine backup-and-restore technology. Even at a developer conference, however, 64-bit support was an odd choice for the lead-off position, because it’s an option even Apple admits doesn’t yet make sense for most applications.
OS X v10.8 uses a 64-bit kernel and fully supports 64-bit applications. The 64-bit kernel was originally introduced in OS X v10.6 (on some models of Mac hardware), and 64-bit application support was introduced in v10.5. Command-line 64-bit support was introduced in v10.4. Who Should Read This Document?
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How it works
If you’re writing an application that requires truly huge amounts of memory (more than 4GB) or needs random access within data sets larger than 2GB (as opposed to, for example, video-editing apps that read and write very large files but work with only a subset at any one time), it’s convenient to deal with 64 bits of data at time, rather than the 32-bit chunks that most of today’s Mac (and Windows) applications use. Apple has for years offered developers some ways to work with 64-bit data, but those involved working around the fact that the Mac OS and most of the hardware it ran on were basically a 32-bit environment
In recent years, however, the company has gradually added some direct 64-bit support to its products: the PowerPC G5 processor, for example, was designed to handle 64-as well as 32-bit code, and Mac OS X 10.4 (Tiger) allows developers to create fully 64-bit command-line or background applications, though not 64-bit programs with their own graphical interface.
What’s changed
Things will be different in Leopard: Developers can now build full-fledged Mac apps that are 64-bit-capable. But developers converting existing Mac programs will face a fair bit of work. Not only their own code, but every library, framework, and plug-in their programs use will have to be modified and recompiled.
Even then, there’s not always a clear-cut case to move to 64 bits. First, 64-bit code will work only on G5 or Core 2 processors—developers will still have to deliver 32-bit versions for users with Macs based on G3 and G4 PowerPCs or even with Intel’s first-generation Core Duo and Core Solo CPUs (in other words, the current MacBook, MacBook Pro, iMac and Mac mini product lines).
Second, some 64-bit programs will actually perform more slowly than 32-bit equivalents, particularly on G5 Macs. Although most applications are likely to pick up some performance by going 64-bit, the benefits are not likely to be overwhelming, even on the new Mac Pro and future models with Core 2 processors. The main problem is that going from 32- to 64-bits results in inflated code, which means less of it fits in the processor’s L1 and L2 caches, and more relatively slow calls to memory are required.
Who’s it for
Developers of certain types of programs that work with huge amounts of data—some scientific computing applications, large database and data-mining systems, large-scale CAD/CAM apps, and specialized image processing programs, to name a few—will appreciate Leopard’s full, native support for 64-bit computing, especially if they are creating new applications from scratch and if they are targeting only future Core 2 CPUs, leaving PowerPC and first-generation Core users behind.
What it means
In a decade or two, 32-bit computing may only be a distant memory, and the Mac OS (or whatever succeeds it) and the hardware it runs on will be fully optimized for 64-bit operation. By then, in hindsight, the addition of 64-bit application support in Leopard will look like a milestone on an important evolutionary path. But in the near term, it’s mostly of interest to developers of specialized technical applications. For most Mac fans—even graphics professionals and other power users—this is one leap forward that’s not likely to produce much of a splash when Leopard is unleashed next spring.
[ Henry Norr is a former editor of MacWeek and a former technology columnist for the San Francisco Chronicle .]
Editor’s Note: Our ongoing preview of the announced features in OS X 10.5 continues, with this profile of Leopard’s enhanced support for 64-bit computing.
Full 64-bit support got top billing in Steve Jobs’ Worldwide Developers Conference keynote —it was first on the list of Leopard enhancements he previewed, ahead even of Apple’s striking Time Machine backup-and-restore technology. Even at a developer conference, however, 64-bit support was an odd choice for the lead-off position, because it’s an option even Apple admits doesn’t yet make sense for most applications.
How it works
If you’re writing an application that requires truly huge amounts of memory (more than 4GB) or needs random access within data sets larger than 2GB (as opposed to, for example, video-editing apps that read and write very large files but work with only a subset at any one time), it’s convenient to deal with 64 bits of data at time, rather than the 32-bit chunks that most of today’s Mac (and Windows) applications use. Apple has for years offered developers some ways to work with 64-bit data, but those involved working around the fact that the Mac OS and most of the hardware it ran on were basically a 32-bit environment
In recent years, however, the company has gradually added some direct 64-bit support to its products: the PowerPC G5 processor, for example, was designed to handle 64-as well as 32-bit code, and Mac OS X 10.4 (Tiger) allows developers to create fully 64-bit command-line or background applications, though not 64-bit programs with their own graphical interface.
What’s changed
Things will be different in Leopard: Developers can now build full-fledged Mac apps that are 64-bit-capable. But developers converting existing Mac programs will face a fair bit of work. Not only their own code, but every library, framework, and plug-in their programs use will have to be modified and recompiled.
Firewing 64 Mac Os Catalina
Even then, there’s not always a clear-cut case to move to 64 bits. First, 64-bit code will work only on G5 or Core 2 processors—developers will still have to deliver 32-bit versions for users with Macs based on G3 and G4 PowerPCs or even with Intel’s first-generation Core Duo and Core Solo CPUs (in other words, the current MacBook, MacBook Pro, iMac and Mac mini product lines).
Second, some 64-bit programs will actually perform more slowly than 32-bit equivalents, particularly on G5 Macs. Although most applications are likely to pick up some performance by going 64-bit, the benefits are not likely to be overwhelming, even on the new Mac Pro and future models with Core 2 processors. The main problem is that going from 32- to 64-bits results in inflated code, which means less of it fits in the processor’s L1 and L2 caches, and more relatively slow calls to memory are required.
Who’s it for
Developers of certain types of programs that work with huge amounts of data—some scientific computing applications, large database and data-mining systems, large-scale CAD/CAM apps, and specialized image processing programs, to name a few—will appreciate Leopard’s full, native support for 64-bit computing, especially if they are creating new applications from scratch and if they are targeting only future Core 2 CPUs, leaving PowerPC and first-generation Core users behind.
What it means
In a decade or two, 32-bit computing may only be a distant memory, and the Mac OS (or whatever succeeds it) and the hardware it runs on will be fully optimized for 64-bit operation. By then, in hindsight, the addition of 64-bit application support in Leopard will look like a milestone on an important evolutionary path. But in the near term, it’s mostly of interest to developers of specialized technical applications. For most Mac fans—even graphics professionals and other power users—this is one leap forward that’s not likely to produce much of a splash when Leopard is unleashed next spring.
Firewing 64 Mac Os X
[ Henry Norr is a former editor of MacWeek and a former technology columnist for the San Francisco Chronicle .]