Int 18 Fn 6900  - Gravis Ultra Sound Yea_gus.exe - Get Status              [s]

   AX = 6900h

Return: AX = amount of DRAM on card or 0000h if GUS not available
Program: YEA_GUS is a driver for the Graphics Ultra Sound which hooks INT 18h
     and then shells out the the program requiring its services

See Also: AX=6901h,AX=690Ah,AX=690Bh