Int 21 Fn 4403  - Compaq Ag1024.sys - Cpq_mges - Ioctl Output              [V]

   AX = 4403h
   BX = file handle referencing device "CPQ_MGES"
   DS:DX -> request packet (see below)
   CX ignored

Return: CF clear if successful
       AX destroyed
       data buffer filled (if applicable)
       first word of request packet set to number of bytes of data
         available (amount returned is smaller of this and requested
         amount)
   CF set on error
       AX = error code (01h,05h,06h,0Dh) (see AH=59h)
Program: AG1024.SYS is a device driver for the Advanced Graphics 1024 adapter

See Also: AX=4403h"RGDI"

Format of request packet:
Offset Size    Description
 00h   WORD    function
       0000h get ??? (26h bytes)
       0001h get ??? (36h bytes)
       0002h set ??? (same as returned by function 0001h)
       0003h get ??? (6 bytes)
       0004h get ???
       0005h get ???
       0006h get ??? (10h bytes)
       0007h set ??? (same as returned by function 0006h)
---functions 00h-03h,06h,07h---
 02h   WORD    size of data buffer
 04h   DWORD   -> buffer for function's data
 ---functions 04h,05h---
 02h   WORD    ???
 04h   WORD    size of data buffer
 06h   DWORD   -> buffer to receive data