)
Values for device type:
 00h	320K/360K 5.25-inch floppy disk
 01h	1.2M 5.25-inch floppy disk
 02h	720K floppy disk
 03h	single-density 8-inch disk
 04h	double-density 8-inch disk
 05h	fixed disk
 06h	tape drive
 07h	(DOS 3.3+) other type of block device, normally 1.44M floppy
 08h	read/write optical disk
 09h	(DOS 5+) 2.88M 3.5-inch floppy
 FFh	(some DOS 5 betas) 2.88M 3.5-inch floppy