VirtualBox 4.0.0 Beta 4 - 模擬器

http://download.virtualbox.org/virtualbox/4.0.0_BETA4/VirtualBox-4.0.0_BETA4
-69073-Win.exe

This version is a major update. The following major new features were added:

Reorganization of VirtualBox into a base package and Extension Packs; see
chapter 1.5, Installing VirtualBox and extension packs, page 14
New settings/disk file layout for VM portability; see chapter 10.1, Where
VirtualBox stores its files, page 149
Major rework of the GUI (now called “VirtualBox Manager”):
– Redesigned user interface with guest window preview (also for screenshots)
– New “scale” display mode with scaled guest display; see chapter 1.8.5,
Resizing the machine’s window, page 21
– Support for creating and starting .vbox desktop shortcuts (bug #1889)
– The VM list is now sortable
– Machines can now be deleted easily without a trace including snapshots and
saved states, and optionally including attached disk images (bug #5511; also,
VBoxManage unregistervm --delete can do the same now)
– Built-in creation of desktop file shortcuts to start VMs on double click
(bug #2322)
VMM: support more than 1.5/2 GB guest RAM on 32-bit hosts
New virtual hardware:
– Intel ICH9 chipset with three PCI buses, PCI Express and Message Signaled
Interrupts (MSI); see chapter 3.4.1, “Motherboard” tab, page 43
– Intel HD Audio, for better support of modern guest operating systems (e.g.
64-bit Windows; bug #2785)
Improvements to OVF support (see chapter 1.12, Importing and exporting
virtual machines, page 26):
– Open Virtualization Format Archive (OVA) support
– Significant performance improvements during export and import
– Creation of the manifest file on export is optional now
– Imported disks can have formats other than VMDK
Resource control: added support for limiting a VM’s CPU time and IO
bandwidth; see chapter 5.8, Limiting bandwidth for disk images, page 81
Storage: support asynchronous I/O for iSCSI, VMDK, VHD and Parallels images
Storage: support for resizing VDI and VHD images; see chapter 8.19,
VBoxManage modifyhd, page 122.
Guest Additions: support for multiple virtual screens in Linux and Solaris
guests using X.Org server 1.3 and later
Language bindings: uniform Java bindings for both local (COM/XPCOM) and
remote (SOAP) invocation APIs
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)
VMM: fixed crash under certain circumstances (Linux hosts only, non
VT-x/AMD-V mode only; bugs #4529 and #7819)
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
GUI: fixed black fullscreen minitoolbar on KDE4 hosts (Linux hosts only;
bug #5449)
BIOS: implemented multi-sector reading to speed up booting of certain
guests (e.g. Solaris)
Bridged networking: improved throughput by filtering out outgoing packets
intended for the host before they reach the physical network (Linux hosts only;
bug #7792)
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)
3D support: fixed OpenGL support for libMesa 7.9
2D Video acceleration: multimonitor support
VRDP: fixed rare crash in multimonitor configuration
VRDP: support for upstream audio
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: fixed memory corruption during playback under rare circumstances
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: 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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