Windows - Formatting a 720K Diskette in a 1.44M Drive


Windows XP or Vista

1. Bring up a command prompt.             [Start] [All Programs] [Accessories] [Command Prompt]

2. Place a 720K  (720K, not 1.44M) diskette into diskette drive.

3. At the prompt, enter:  format a: /t:80 /n:9     <---- Assumption: A: drive is the diskette drive


Windows 7

On my Windows 7 machine, the 3.5" diskette drive is a USB one.  See here.


1. Bring up a command prompt.             [Start] [All Programs] [Accessories] [Command Prompt]

2. Place a 720K  (720K, not 1.44M) diskette into diskette drive.

3. At the prompt, enter:  format a: /f:720     <---- Assumption: A: drive is the diskette drive


win7prof_format_720k.jpg


Windows 10

On my Windows 10 machine, the 3.5" diskette drive is a USB one.  See here.


1. Bring up a command prompt.             [Start] [Windows System] [Command Prompt]

2. Place a 720K  (720K, not 1.44M) diskette into diskette drive.

3. At the prompt, enter:  format a: /f:720     <---- Assumption: A: drive is the diskette drive


win10_format_720k.png