VirtualBox: Difference between revisions
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Info about 64-bit guests |
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You are able to also use features of the host operating system where applicable. Some features make using the guest OS easier. For example, "pointer integration" (which allows you to move the cursor between the host OS and certain guest OS's seamlessly). |
You are able to also use features of the host operating system where applicable. Some features make using the guest OS easier. For example, "pointer integration" (which allows you to move the cursor between the host OS and certain guest OS's seamlessly). |
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==64-bit guest== |
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To run a 64-bit guest OS on a 32-bit or 64-bit host, the CPU ''must'' support virtualization (AMD-V or Intel VT-x) and nested paging (AMD RVI or Intel EPT), and must have these features enabled in the BIOS and the VirtualBox machine configuration. The VirtualBox developers didn't implement software virtualization for 64-bit hosts since most modern CPUs support hardware virtualization, and sofware virtualization would be too slow and memory consuming (especially on 32-bit hosts). If your CPU doesn't support virtualization or nested paging, then you can use [[Qemu]], [[Bochs]] or [[VMware|VMware Player]] as these support 64-bit guests without hardware virtualization. |
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To see which virtualization features are present and enabled for VirtualBox, run your virtual machine and hover with the mouse over the V icon in the bottom bar. |
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==Virtualized Hardware== |
==Virtualized Hardware== |
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