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Bugfixes and improvements in Parallels Desktop 4.0 Update (build 4.0.3844) - Support for creating virtual machines with Mac OS X Leopard Server and Snow Leopard Server on Nehalem-based Mac Pros and Xserves – added. - Support for creating Boot Camp virtual machines with Windows Vista SP2 – added. - Support for creating Boot Camp virtual machines with Windows 7 – added. - Support for running Windows 7 in virtual machines – improved. - Windows 7 system tray icons – improved. - Express installation of Windows 7 – added. - Shared profile issues in Windows 7 – fixed. - Direct printing feature in Windows 7 - fixed. - Sound card support in Windows 7- fixed. - Other Windows 7 improvements and bugfixes. - Support for running Mac OS X Snow Leopard Server in virtual machines - fixed. - Problems with installing Parallels Tools in the Ubuntu Linux 9.04 guest OS - fixed. - Support for using Mac OS X Snow Leopard (including the 64-bit version) on host computers – improved. - A number of bugs for using Parallels Desktop and running virtual machines on host computers with Mac OS X Snow Leopard fixed. Most important bugs are listed below: * QuickLook plug-in crashes when trying to preview the contents of a PVM bundle (the crash is invisible for the user). * The update may fail to install the downloaded updates for Parallels Desktop 4.0. * Parallels Mounter and Explorer may fail to open Parallels Desktop disk images. * It may be impossible to connect to the virtual machine from the iPhone client. * Creating a virtual machine snapshot may take a very long time. * Opening a web link from inside a Windows-based virtual machine in Mac Safari using the Shared Internet Applications feature may result in appending garbage to the link. * On 64-bit host computers, connecting a USB device to a virtual machine may cause a kernel panic. These and a number of other bugs have been fixed in Parallels Desktop 4.0 Update (build 4.0.3846).

Parallels Desktop 4 for Mac 是一套虛擬系統解決方案，可讓使用者在任一台使用 Intel 處理器 (1.66 GHz 或更快速度) 的麥金塔電腦上建立虛擬環境，使用者可以在其每個虛擬環境中安裝 Windows、Linux 或其他作業系統，並且與他們的 Mac OS X 應用程式同時搭配使用。

Parallels Desktop 4 for Mac 支援許多 32 位元與 64 位元的作業系統 (對於要在虛擬環境中使用 64 位元的作業系統，至少須有 Intel Core 2 或更高階的處理器)、DirectX 9.0 wiht Shaders Model 2、SSE4 支援、Apple 遠端磁碟、支援 Windows 7 (仍為試驗性)，以及 iPhone 整合 (包含使用 Parallels Mobile 小程式從 iPhone 控制虛擬環境)。

Parallels Desktop 4.0 相較於舊版 3.0，具備以下幾項主要功能：

• modality view mode
  
• smart connect
  
• smart mount
  
• up to 50% performance enhancement and support for 8-way SMP, 8GB RAM and 64-bit OSes.
  
• Adaptive Hypervisor
  
• 3D graphics (accelerate Windows games and 3D graphics with support for DirectX 9 and OpenGL 2.0)
  
• Power Save (offers Mac user up to 20% longer battery life)
  
• Bonus software ($175 value in bonus software)

只要使用我們獨家的折扣連結，您就能省下 $5 美元，以更便宜的價格取得 Parallels Desktop for Mac。(詳細資訊可從 MacCentre701 的前一篇報導取得。)

我們的獨家折扣連結：
Special offer! Buy Parallels Desktop 4.0 for Mac with $5 discount

如果您擁有多台 Mac，可以購買 Parallels Desktop 4.0 for Mac Family Pack，省下更多金額，其中隨附三套授權，價格只要 $199.99，可省 $40 美元。

Parallels Desktop 4 for Mac 的硬體需求為配備 Intel 處理器 (1.66GHz 或更快速度) 的麥金塔電腦。若要在虛擬環境中使用 64 位元的作業系統，則須有 Intel Core 2 或更高階的處理器。記憶體最少須有 1GB，但建議為 2GB 的 RAM。每個虛擬環境約需要 15GB 的磁碟空間。作業系統需求則為 Mac OS X Leopard v10.5.2 以上或 Mac OS X Tiger v10.4.11 以上。

同時，Parallels 也提供了 Parallels Desktop 4 for Windows and Linux，讓您在 Windows 或 Linux 平台上執行許多 Guest OS (包含 Windows 7)。