Category: disk I/O enhancements
Flags: Undocumented function

INT 13 - Seagate - PARK HEADS???

	AX = 5515h
	DX = drive (bit 7 set for hard disk)
Return: CF clear if successful
	CF set on error
Note:	appears to be identical to AX=5505h
SeeAlso: AX=5504h,AX=5505h