AddDrive
You can use theAddDriveprocedure to add a drive to the system.
PROCEDURE AddDrive (drvrRefNum: Integer; drvNum: Integer; qEl: DrvQElPtr);
drvrRefNum- A driver reference number.
drvNum- A drive number.
qEl- A pointer to a drive queue element.
DESCRIPTION
TheAddDriveprocedure adds a disk drive having the specified driver reference number and drive number to the system. The File Manager expands the drive queue
by adding a copy of the queue element pointed to by theqElparameter to the end
of the existing queue.