VMs aren’t quite as fast as your computer will be, and they aren’t great in all situations. Resources will be divided among the different VMs, so things can slow down and shut down pretty quickly. The operating system on your actual computer is called the “host,” and the operating systems inside the VM are called “guests.” There isn’t a limit to how many VMs you can have, but your hard drive space will only hold so much. The OS acts like it is running on a real computer, meaning you can do nearly everything you’d do on a computer. You can boot it from a live CD or an operating system installer disk. It behaves like a separate computer with its software and hardware that runs in a window on your desktop. Conclusion: Virtual Machine Gaming: Is It Worth It?Ī virtual machine (VM) is an app that creates a virtualized world.Can You Play Games On A Virtual Machine?.However, it has the advantage of a simple interface, and virtual PCs are treated as a folder under Windows 7, where you can create a VM in the top bar of explorer. The main differences is lack of GUI floppy addition (if you want a floppy disk, you need to directly edit config). It works on 64 bit versions of Windows unlike it's predecessor, but still doesn't emulate a 64 bit environment. Microsoft Virtual PC for Windows 7 was renamed to Windows Virtual PC. Recent compilers will use them as an optimization and may cause your Kernel to not run on VPC. Virtual PC will throw an undefined opcode exception if a multibyte-nop (e.g. CON: Windows only can't run it on non-windows operating systems.CON: No APM support and minimal ACPI support.Tested on a machine with a Core 2 Duo (64-bit) and it triple-faulted. CON: Apparently doesn't support 64-bit hardware.It doesn't support VBE 3.0 (the one with protected-mode access), BIOS32 for PCI (although that is easily implemented without the BIOS), or loopback mode for the serial UARTs. CON: It only supports a minimal set of hardware - just enough for decent use.See this post on Virtual PC Guy's MSDN blog. Oddly enough, 32-bit color _is_ supported. It looks like some kind of 1980's computer with a defective CRT. CON: 15- and 24-bit graphics modes aren't supported in the emulated S3 Trio (but they are in the real one), they screw up the display.Just enter \\.\pipe\yourpipename into the configuration page for COM1 or COM2, and connect your debugger (on the host PC) to the same pipe. ![]() PRO: If you integrate a simple debugger and serial I/O into your OS, you can debug it over a named pipe. ![]() PRO: Supports "dynamically expanding" disk images that start at a miniature size and expand when data is added.PRO: Fixed size disk images are very easy to work with and can be shared by Virtual PC and Bochs :). ![]() ![]()
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