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Windows 7: Why is there no A or B partition

17 Mar 2010   #1
whs
Microsoft MVP

Vista, Windows7, Mint Mate, Zorin, Windows 8
 
 
Why is there no A or B partition

Someone asked me today why the partition numbering always starts with C and why there are no A or B partitions. I did not know the answer. Does anybody know?


My System SpecsSystem Spec
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17 Mar 2010   #2
Product FRED

Windows 7 Enterprise 64-bit
 
 

Letters A and B are reserved for Floppy Drives. C to Z are reserved for Hard Disks, CD, DVD, TAPE and Other Magnetic Drives and Disks.
My System SpecsSystem Spec
17 Mar 2010   #3
Zomby88

Windows 7 Ultimate 64Bit
 
 

They were reserved for floppy drives, but if you format a partition in W7 it will give you the option to name it A or B. I was surprized myself.

http://en.wikipedia.org/wiki/Drive_letter_assignment
My System SpecsSystem Spec
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17 Mar 2010   #4
Spidey1976

Windows 8.1 Professional x64
 
 

Possibly due to past practice of reserving A & B for floppy drives? I know you can still set it later... I made my back-up HDD drive B:
My System SpecsSystem Spec
17 Mar 2010   #5
whs
Microsoft MVP

Vista, Windows7, Mint Mate, Zorin, Windows 8
 
 

Thanks guys. That was simple. I was not around PCs during the floppy times so I did not know that. One never stops learning.
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 Why is there no A or B partition




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