Added a new 3TB drive for Windows 8 dual, boot format help

brazosdog02

New Member
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I added a new drive so that I could dual boot win7 (installed on Drive 0) and Win8 (to be installed on Drive 1, the 3TB one).

When I go to disk management in Windows 7, it sees the disk and wants to know if I want it partitioned and formatted as MBR or GPT....


What do I want for its purpose?? Or...can I simply leave it as is and hope that the new custom install of windows 8 does it for me?
 

My Computer

System One

  • OS
    Windows 8
If you want the full 3tb for DATA, set hd drive to GPT.

If you want to install Windows 8 x64 on the HD Drive, you will need a uEFI BIOS & HD Drive set to GPT, Also your Windows 7 HD Drive.
 

My Computer

System One

  • OS
    ME, XP,Vista,Win7,Win8,Win8.1
    Computer type
    PC/Desktop
    Other Info
    Notebooks x 3

    Desktops x 5

    Towers x 4
I dont have a mobo that supports that. I would like to utilize thew hole 3tb drive as a MBR and be able to boot to it. Can I break it into two partitions as MBR and go that route?

I have a gigabyte ga-x58a-ud3r mobo. I see the latest drivers say it now supports 3TB plus drives, but I dont know if that means it is uefi and will boot to it.
 

My Computer

System One

  • OS
    Windows 8
Master boot record - Wikipedia, the free encyclopedia

Since block addresses and sizes are stored in the partition table of an MBR using 32 bits, the maximum size of a partition and the maximum start address using drives that have 512-byte sectors (actual or emulated) cannot exceed 2 TiB−512 bytes (2,199,023,255,040 bytes or 4,294,967,295 (232−1) sectors × 512 (29) bytes per sector). Alleviating this capacity limitation was one of the prime motivations for the development of the GUID partition table (GPT).



Support for Disk Drives Beyond 2.2 TeraBytes (TB) and 4K Advanced Format Sectors

Windows systems with Legacy BIOS and MBR boot drives are limited to 2.2TB partitions
 

My Computer

System One

  • OS
    ME, XP,Vista,Win7,Win8,Win8.1
    Computer type
    PC/Desktop
    Other Info
    Notebooks x 3

    Desktops x 5

    Towers x 4
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