Unlike the older versions of MBR which could support four partitions, the latest versions are capable of supporting up to sixteen partitions.Some of the latest types of Master Boot Record may also have additions like disk signatures, timestamp, and details regarding disk formatting.Also, it is important to understand that data cannot be saved directly on the extended partition and therefore there is a need to create logical partitions. The partition table in MBR contains details regarding only the primary and extended partition.This limitation is overcome by extended and logical partitions. As mentioned above, it can have only 4 primary partitions. MBR partitions can be of three types- Primary partitions, Extended partitions, and Logical partitions.The maximum number of primary partitions possible on an MBR disk is 4, where each partition requires 16 bytes space, which makes it a total of 64 bytes space for all the partitions.MBR can have a lot of different forms, but what is common for all these forms is that they all have a size of 512 bytes, a partition table, and bootstrap code. We can find it in the boot sector and it contains details of types of partitions and also the code which is required at the time booting the operating system of the computer. To explain it more, it is simply a part of a hard disk where all the information about the disk can be found. Let’s get started by gaining a basic understanding of MBR and GPT.
#MASTER REBOOT RECONDS HOW TO#
How To Find If Your Computer Has MBR or GPT.
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