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VirtualBox 4.0.0 Beta 1

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News del 07 Dicembre 10 Autore: Gianplugged
VirtualBox 4.0.0 Beta 1
VirtualBox è uno dei più popolari software di virtualizzazione.


Version 4.0.0 will be new major release. The following major new features were added:
  • New settings/disk file layout for VM portability; see the manual for more information.
  • Open Virtualization Format Archive (OVA) support; see the manual for more information.
  • VMM: support more than 1.5/2 GB guest RAM on 32-bit hosts
  • Language bindings: uniform Java bindings for both local (COM/XPCOM) and remote (SOAP) invocation APIs
  • Chipset: added support for the Intel ICH9 chipset with 3 PCI buses, PCI express and Message Signaled Interrupts (MSI)
  • Audio: Intel HD Audio is now available as guest hardware, for better support with modern guest operating systems (e.g. 64-bit Windows; bug #2785).
  • GUI: redesigned user interface with guest window preview
  • GUI: new display mode with downscaled guest display
  • Resource control: added support for limiting a VM´s CPU time and IO bandwidth.
  • Storage: support asynchronous I/O for iSCSI, VMDK, VHD and Parallels images
  • Storage: support for resizing VDI and VHD images
  • Windows Additions: support for automatically updating the Guest Additions (requires installed Windows Guest Additions 4.0 or later)
  • Guest Additions: support for copying files into the guest file system
In addition, the following items were fixed and/or added:
  • VMM: Enable large page support by default on 64-bit hosts (applies to nested paging only)
  • VMM: fixed guru meditation when running Minix (VT-x only; bug #6557)
  • GUI: the guest VM list is now sortable
  • GUI: add the possibility to delete all harddisk attached to an VM, when this VM is deleted (bug #5511)
  • GUI: built-in creation of desktop file shortcuts to start VMs on double click (bug #2322)
  • GUI: add configuration dialog for port forwarding in NAT mode (bug #1657)
  • GUI: show the guest window content on save and restore
  • GUI: certain GUI warnings don´t stop the VM output anymore
  • Settings: deleting a machine now automatically deletes all snapshots and saved states as well, it is no longer necessary to manually delete snapshots first; VBoxManage unregistervm --delete can do the same now
  • Snapshots: added screenshots
  • 3D support: allow use of CR_SYSTEM_GL_PATH again (bug #6864)
  • 3D support: fixed various clipping/visibility issues (bugs #5659#5794#5848#6018#6187#6570)
  • 3D support: guest application stack corruption when using glGetVertexAttrib[ifd]v (bug #7395)
  • 2D Video acceleration: multimonitor support
  • VRDP: fixed rare crash in multimonitor configuration
  • Display: fixed occasional guest resize crash
  • NAT: port forwarding rules can be applied at runtime
  • SATA: allow to attach CD/DVD-ROM drives including passthrough (bug #7058)
  • Floppy: support readonly image files, taking this as the criteria for making the medium readonly (bug #5651)
  • Audio: the DirectSound backend now allows VMs to be audible when another DirectSound application is active, including another VM (bug #5578)
  • EFI: support for SATA disks and CDROMs
  • BIOS: reduce the stack usage of the VESA BIOS function #4F01 (Quake fix)
  • OVF/OVA: significant performance improvements during export and import
  • OVF/OVA: creation of the manifest file on export is optional now
  • OVF/OVA: allow overwriting the target disk format on import
  • OVF/OVA: fixed export of VMs with iSCSI disks
  • Storage: Apple DMG image support for the virtual CD/DVD (bug #6760)
  • Linux host USB support: introduced a less invasive way of accessing raw USB devices (bugs #1093#5345#7759)
  • Guest Additions: Shared Folders now can be marked as being auto-mounted on Windows, Linux and Solaris guests
  • Linux Additions: Shared Folders now support symbolic links (bug #818)
  • Linux Additions: combined 32-bit and 64-bit additions into one file
  • Windows Additions: automatic logon on Windows Vista/Windows 7 is now able to handle renamed user accounts; added various bugfixes
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Categoria: Windows

Licenza: Open Source

OS: Windows, Linux, OS X

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