Function 24 and its subfunctions (4,5)

Subfunction 4 - remove the disc tray

Options:

* eax = 24 - function number

* ebx = 4 - subfunction number

* ecx = CD / DVD number

from 0 = Primary Master to 3 = Secondary Slave for the first IDE counter.

from 4 = Primary Master to 7 = Secondary Slave for the second IDE counter.

from 8 = Primary Master to 11 = Secondary Slave for the third IDE counter.

Return value:

* function does not return value

Remarks:

This feature is supported for ATAPI devices only (CD and DVD).

When the tray is removed, the manual operation of the tray mechanism is unlocked.

When the tray is removed, the code clears the cache of the corresponding device.

An example of using a function is the CD_tray application.

Constants for registers:

eax - SF_CD (24)

ebx - SSF_EJECT_TRAY (4), SSF_INSERT_TRAY (5)

Subfunction 5 - load the disc tray