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The MBR sector may contain code to locate the active partition and invoke its volume boot record. A volume boot record (VBR) is the first sector of a data storage device that has not been partitioned, or the first sector of an individual partition on a data storage device that has been partitioned.
Drops support for all versions of Windows XP and Vista [24] Currently only available in Mac OS X 10.6 "Snow Leopard", Mac OS X 10.7 "Lion", and OS X 10.8 "Mountain Lion" Added Support to Install ISO files from USB; 5.0.5033: March 14, 2013 Support for Windows 8 and Windows 8 Pro (64-bit only) Boot Camp support for Macs with a 3 TB hard drive
On partitioned devices, it is the first sector of an individual partition on the device, with the first sector of the entire device being a Master Boot Record (MBR) containing the partition table. The code in volume boot records is invoked either directly by the machine's firmware or indirectly by code in the master boot record or a boot manager.
TestDisk reads sectors on the storage device to determine if the partition table or filesystem on it requires repair (see next section). TestDisk is able to recognize the following partition table formats: [2] Apple partition map; GUID Partition Table; Humax; PC/Intel Partition Table (master boot record) Sun Solaris slice; Xbox fixed ...
For limited backward compatibility, the space of the legacy Master Boot Record (MBR) is still reserved in the GPT specification, but it is now used in a way that prevents MBR-based disk utilities from misrecognizing and possibly overwriting GPT disks. This is referred to as a protective MBR. [9]
Mac OS 8.6, Mac OS 9: Yes Yes No No No No No Additional UDF version support via third-party utilities. [g] Mac OS X 10.0–10.3 Yes Yes [30] No [30] No No No No Mac OS X 10.4 Yes Yes Yes No [h] [31] No [i] No Yes [j] Can create UDF 1.50 (plain build) volumes using the drutil utility. Mac OS X 10.5 and newer Yes Yes Yes Yes [32] [31] read only ...
Note: The column MBR (Master Boot Record) refers to whether or not the boot loader can be stored in the first sector of a mass storage device. The column VBR (Volume Boot Record) refers to the ability of the boot loader to be stored in the first sector of any partition on a mass storage device.
Classic Mac OS drivers partition Apple_HFS: Hierarchical File System: Apple_HFS: While normally a HFS or HFS+ volume for Mac OS and Mac OS X, it can also contain an MS-DOS formatted file system (File Allocation Table, which can be accessed by Mac OS and Mac OS X). Apple_HFSX: HFS Plus: This partition contains a HFS+ volume without a HFS wrapper.