MEM 0040h:0065h - VIDEO - CURRENT MODE SELECT REGISTER Size: BYTE Desc: contains last value written to I/O port 03B8h / 03D8h SeeAlso: MEM 0040h:0063h,MEM 0040h:0066h Bitfields for current video mode select register: Bit(s) Description (Table M0018) 7-6 unused 5 attribute bit 7 controls blinking instead of background 4 mode 6 graphics in monochrome 3 video signal enabled 2 monochrome 1 graphics 0 80x25 text