Int 10 Fn CB03  - Unchain - Update Page 3 Offset                           [V]

   AX = CB03h
   BX = offset of page 3

Return: nothing
Desc:  inform UNCHAIN of the location of video page 3 in video memory; the
     default is 7D00h (32000, for 320x200)

See Also: AX=CB01h,AX=CB02h,AX=CB04h