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Windows 7: Win7 Disk Management - What criteria does W7 use to id Disk0 vs Disk1

22 Oct 2012   #1

Windows 7 Pro 32-bit
Win7 Disk Management - What criteria does W7 use to id Disk0 vs Disk1

I have just done a fresh install of Windows 7 Pro 32-bit, replacing my XP install.

I am running a 2 HDD setup. The 2 HDD's are connected across 2 SATA ports; port 0 and port 1. I use the first HDD for Windows install and the second HDD for user data.

Paragon's Partition Manager sees HDD0 (which holds the Windows 7 install) and HDD1 (which contains just a volume of data).

If I only connect HDD0 (and appropriately only identify it as connected in the BIOS), Windows 7's <Computer Management> <Disk Management> identifies it as Disk0.

But, when I connect both HDD0 and HDD1 up (and configure as such in the BIOS), Windows 7 now refers to the Windows 7 install disk as Disk1 and the 2ndary HDD as Disk0.

All seems to be working, but is this normal?

I would of thought, especially after only connecting one HDD and Windows recognizing it as Drive 0, that when connecting a second HDD it would of for sure kept what was being Drive 0 as Drive 0, AND the newly connected drive as Drive 1.

What criteria does Windows 7 employ in identifying Disk 0 and Disk 1?

Many thanks for all responses ... Bill

My System SpecsSystem Spec


 Win7 Disk Management - What criteria does W7 use to id Disk0 vs Disk1

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