Int 61 Fn 07  - Atari Portfolio - Format Credit Card Memory                [b]

   AH = 07h
   AL = drive number (00h = A:,01h = B:)

Return: CF clear if successful
   CF set on error
       AH = error code (see #0166 at INT 13/AH=01h)

Note:  do not use this function to format the internal disk (drive number 02h)

See Also: AH=00h"Portfolio",AH=08h"Portfolio",AH=09h"Portfolio"