Function 4404h Receive Control Data from Block Device
Reads control information of any length and format from a block
device driver. The format of the information is device-specific
and does not follow any standard.
Entry AX = 4404h
BL = Drive number (0 = default, 1 = A, etc.)
CX = Number of bytes to read
DS:DX = Address of data buffer
Return Buffer updated
or
AX = Error code, if CF is set
| 01h Invalid function
| 05h Access denied
| 06h Invalid handle
| 0Dh Invalid data