Int 10 Fn 12 - Video - Trident Tvga 8800/8900/9000 Bios - Get Video Ram [V] AH = 12h BL = 12hReturn: AL = 12h if function supported AH = number of 256K banks of RAM installed (read from CRTC register 1Fh)See Also: AH=12h/BL=11h"TRIDENT"