
14 Parallels Desktop for Mac User Guide
Intel Virtualization Technology (VT-
x) Support
Intel Virtualization Technology (VT-x) implemented in the architecture of the newest Intel
processors was specially developed for platforms running multiple operating systems. VT-
enabled processors allow more precise virtual processor simulation. To learn more about
Virtualization Technology see the Intel web site (http://www.intel.com/technology/platform-
technology/virtualization/index.htm).
Parallels Desktop fully supports Intel Virtualization Technology. If Parallels Desktop detects a
VT-enabled CPU, it automatically turns on VT-x support. Make sure the Enable Intel VT-x
support option is selected in the Configuration Editor: on the Advanced tab of General Options.
If you run a guest OS with VT-x enabled, the Virtualization Mode flag in the Parallels Desktop ->
About Parallels Desktop -> More Options dialog shows Intel VT-x.
Virtual Machine Hardware
As we mentioned earlier, a virtual machine works like a stand-alone computer. Each VM has
the following hardware:
CPU Intel Pentium.
A generic motherboard compatible with Intel i815 chipset.
RAM up to 1500 MB.
VGA and SVGA with VESA 3.0 support.
1.44 MB floppy disk drive mapped to an image file.
Up to four IDE devices; each device may be either a virtual hard disk drive (from 20 MB up
to 128 GB each mapped to an image file or Boot Camp partition), or a CD/DVD-ROM drive
(mapped to a physical drive or to an image file).
Up to 5 network virtual interfaces, including Ethernet virtual network card compatible with
RTL8029.
Up to four serial (COM) ports (mapped to a socket or to an output file).
Up to three parallel (LPT) ports (mapped to output file or to a printer connected to the
Macintosh computer).
8-port USB 2.0 and 2-port USB 1.1 controller.
AC'97-compatible sound card. Sound recording is supported.
A generic PC keyboard.
A PS/2 wheel mouse.
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