Close up of a physical hard drive plate with internals. - tomeqs/Shutterstock Large hard drives can be divided into partitions, which is basically segmenting part of the drive for individual use. This ...
The 2TB MBR is/was the Backup W7 Pro with only 7 installed programs (the Portables accessed like the other drive), both w/o hidden partitions and both with other partition (s). That O/S is just a ...