The description below is from the book
DOS the Easy Way by Everett Murdock Ph.D.

CLICK HERE for information about downloading the book.

Type: Internal (3.2 and later)


DRIVPARM= /D:(number) [/C] [/F:(form factor)] [/H:(number)] [/I] [/N]
[/S:(number)] [/T:(tracks)]

Purpose: Used in the CONFIG.SYS file to set parameters for a disk drive.


Used for special configurations related to disk drives.

For more information about the DRIVPARM command, see Chapter 6, Tips for Advanced Users, in the downloadable book DOS the Easy Way.


/D:num - Specifies the physical drive number (0 to 255, where drive A=0, drive B=1, etc.)
/C - Speeds up access to the floppy drive by signally to DOS that the media in a drive may have been changed.
/F:type - Specifies the type of drive being accessed. The following types can be specified:

0 Double-density 360K, 5 1/4-inch floppy disk drives (includes 160K, 180K, 320K and 350K formatted media size.
1 High-density, 1.2M, 5 1/4-inch floppy disk drives.
2 Double-density, 720K, 3 1/2-inch floppy disk drives.
5 Hard disk drives.
6 Tape drives.
7 High-density, 1.44M, 3 1/2-inch floppy disk drives.
8 Read-write optical disk drives.
9 Super-high-density, 2.88M, 3 1/2-inch floppy disk drives.


With DOS Version 6, type 3 (single-density 8-inch floppy disk drives) and type 4 (double-density 8-inch floppy disk drives) are no longer supported.

/H:heads - Specifies the number (1 to 99) of read/write heads on the disk drive.

/I - Tells DOS that a 3 1/2-inch disk drive, not supported by the ROM BIOS, is attached to a standard floppy disk drive controller.

/N - Tells DOS that the drive uses nonremovable media.

/S:sectors - Specifies the number (1 to 99) of sectors per track for the drive`s media.

/T:tracks - Specifies the number of tracks per side for the drive`s media.

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