Contents • • • • • • • • • • • • • • • • • • • • • • • • • • • Overview is a developer of desktop and server software. Historical Released on June 15, 2006, it was the first software product to bring virtualization mainstream to Macintosh computers utilizing the ( VirtualPC was released in 1997 for Macs). Its name initially was ' for Mac OS X', which was consistent with the company's corresponding and products. This name was not well received within the Mac community, where some felt that the name, particularly the term “workstation,” evoked the aesthetics of a Windows product. Parallels agreed: “ Since we've got a great Mac product, we should make it look and sound like a Mac product.”, it was therefore renamed ‘Parallels Desktop for Mac’. On January 10, 2007, Parallels Desktop 3.0 for Mac was awarded “Best in Show” at. A new standalone app called Parallels Toolbox for Mac is a set of 20 utilities that offer one-click functions for things like screen casting, media downloads, and file management (unzipping. Technical Parallels Desktop for Mac is a hardware emulation virtualization software, using technology that works by mapping the host computer’s hardware resources directly to the virtual machine’s resources. Each virtual machine thus operates identically to a standalone computer, with virtually all the resources of a physical computer. Because all guest virtual machines use the same hardware drivers irrespective of the actual hardware on the host computer, virtual machine instances are highly portable between computers. For example, a running virtual machine can be stopped, copied to another physical computer, and restarted. Parallels Desktop for Mac is able to virtualize a full set of standard PC hardware, including • A virtualized of the same type as the host's physical processor, • ACPI compliance system, • A generic compatible with the i965 chipset, • Up to 8 GB of for guest virtual machines, • Up to 1 GB of video RAM (VRAM), • VGA and SVGA video adapter with 3.0 support and and acceleration, • A 1.44 MB floppy drive, which can be mapped to a physical drive or to an image file, • Up to four IDE devices. This includes virtual hard drives ranging in size from 20 MB to 2 TB each and CD/DVD-ROM drives. Virtual CD/DVD-ROM drives can be mapped to either physical drives or files. • DVD/CD-ROM “pass-through” access, • Up to four that can be mapped to a pipe or to an output file, • Up to three bi-directional, each of which can be mapped to a real port, to a real printer, or to an output file, • An virtual network card compatible with RTL8029(AS), capable of up to 16 network interface connections, • Up to eight devices and two USB 1.1 devices, • An AC'97-compatible sound card. • A 104-key Windows enhanced keyboard and a wheel mouse. Note that no mention is made of support for the following host interfaces: • • Firewire • • • • • eSATA • Version 2.5. Parallels Coherence The first official release of version 2.5 was on February 27, 2007, as build 3186. Version 2.5 brought support for USB 2.0 devices, which expanded the number of USB devices supported at native speed, including support for built in USB web-cams. The amount of video RAM allocated to the guest OS was made adjustable, up to 32MB. Full featured CD/DVD drives arrived in this version, which allowed the user to burn disks directly in the virtual environment, and play any copy-protected CD or DVD as one would in Mac OS X. In addition, a shared clipboard and drag-drop support between Mac OS X and the guest OS was implemented. This version brought the ability for users with a Windows XP installation to upgrade to Windows Vista from within the VM environment. A new feature known as Coherence was added, which removed the Windows chrome, desktop, and the virtualization frames to create a more seamless desktop environment between Windows and Mac OS X applications. This version also allowed users to boot their existing Windows XP partitions, which eliminated the need to have multiple Windows installations on their Mac. A tool called Parallels Transporter was included to allow users to migrate their Windows PC, or existing or VMs to Parallels Desktop for Mac. Netsys lawsuit In 2007, the German company Netsys GmbH sued Parallels' German distributor Avanquest for copyright violation, claiming that Parallels Desktop and Parallels Workstation are directly based on a line of products called “twoOStwo” that Parallels developed on paid commission for Netsys, of which it says, Netsys has been assigned all copyrights. Additionally, the lawsuit claimed that Parallels Desktop 2.5's compatibility with “twoOStwo” showed that the two software products are run by essentially the same functional core.
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