Int 15 Fn D824 - Compaq Eisa System Rom 04/08/93 - ??? [-]

AX = D824h
CX = ???
DS:SI -> ASCIZ string containing ???

Return: CF clear if successful
AH = 00h
CX = ???
CF set on error
AH = error code
87h ??? failed
88h ???

Note: these functions are only available if ??? from keyboard controller
command C0h