Int 13H [PS/2] Function 19H (25) Park heads

Moves the read/write arm to a track that is not used for data storage, so that data will not be damaged when the drive is turned off.

Call with:

AH = 19H

DL = drive

80H—FFH fixed disk

Returns:

If function successful

Carry flag = clear

AH = 00H

If function unsuccessful

Carry flag = set

AH = status (see Int 13H Function 01H)

Note:

This function is defined for PS/2 fixed disks only.