BIOS / Int / Int 13 / 06

    INT 13 - FIXED DISK - FORMAT TRACK AND SET BAD SECTOR FLAGS (XT,PORT)

Input			Output
AX	06h	Interleave	Status	AX
BX				BX
CX	Cylinder	Sector		CX
DX	Head	Drive		DX
ES:DI			Set if Error	CF

        The top 2 bits in CL are bits 8 & 9 of the cylinder number.

Status: See function 01h