Drive Region Info Explained: What Those Partitions Mean for Your Data

How to Read Drive Region Info: Step-by-Step for Windows & macOS

Overview

Drive Region Info refers to a disk’s partition table and related metadata (partition type, size, start/end sectors, filesystem, flags). Below are step-by-step instructions for Windows and macOS to view that information safely.

Windows

Tools used

• Disk Management (GUI)
• diskpart (built-in CLI)
• PowerShell (Get-Partition/Get-Disk)
• Third-party: MiniTool Partition Wizard, Minitool, EaseUS (optional)

Step-by-step (GUI: Disk Management)

1. Press Win+X → choose Disk Management.
2. Locate the disk in the bottom pane; each rectangular block is a partition/region.
3. View: partition size, file system (NTFS/FAT32/RAW), and basic flags (EFI, Recovery).
4. Right-click a partition → Properties for more details.

Step-by-step (CLI: diskpart)

1. Open Command Prompt as Administrator.
2. Run:

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   diskpart list disk select disk 
   list partition 

3. Review partition sizes and offsets shown in the output.
4. Exit with exit.

Step-by-step (PowerShell)

1. Open PowerShell as Administrator.
2. Run:

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   Get-Disk Get-Partition -DiskNumber  | Format-Table Get-Volume 

3. Review columns: PartitionNumber, DriveLetter, Size, FileSystem, Type.

Notes and tips (Windows)

• For GPT details (partition GUIDs) use Get-Partition -DiskNumber | Format-List.
• To inspect low-level sector offsets use tools like DiskGenius or a hex editor (advanced).
• Do not modify partitions unless you have backups.

macOS

Tools used

• Disk Utility (GUI)
• diskutil (CLI)
• gdisk (for GPT details, optional via Homebrew)

Step-by-step (GUI: Disk Utility)

1. Open Disk Utility (Applications → Utilities).
2. From View menu choose Show All Devices.
3. Select a physical disk to see partitions (names, sizes, file systems).
4. Click Info (i) for detailed metadata.

Step-by-step (CLI: diskutil)

1. Open Terminal.
2. Run:

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   diskutil list 

   to list devices and partitions.

3. For detailed info:

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   diskutil info /dev/diskN 

   or for a partition:

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   diskutil info /dev/diskNsM 

4. To view GPT entries (GUIDs) use:

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   sudo gpt -r show /dev/diskN 

Step-by-step (gdisk – optional)

1. Install: brew install gdisk
2. Run:

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   sudo gdisk -l /dev/diskN 

3. Review partition types and GUIDs.

Notes and tips (macOS)

• APFS containers show differently: use diskutil apfs list to inspect volumes inside an APFS container.
• Use sudo where required. Avoid destructive commands unless backed up.

Cross-platform tips

• Identify partition table type: MBR vs GPT. GPT is common on modern systems.
• Match partitions to filesystems (NTFS, FAT32, exFAT, APFS, HFS+) to understand usage.
• To map start/end sectors to bytes: bytes = sectors × sector_size (usually 512).
• When in doubt, read-only commands (list, info, -l) are safe.

Quick reference commands

• Windows (PowerShell): Get-Partition -DiskNumber | Format-List *
• Windows (diskpart): list disk → select disk → list partition
• macOS: diskutil list ; diskutil info /dev/diskN
• macOS (GPT): sudo gpt -r show /dev/diskN
• Cross-platform: sudo gdisk -l /dev/sdX

If you want, I can provide exact commands and example outputs for a specific disk type (GPT vs MBR) or OS version.