Int 1A Fn 8B  - PCmcia Socket Services - Set Page                          [X]

   AH = 8Bh
   AL = adapter number
   BH = window number
   BL = page number
   DX = page attributes
       bit 0: page enabled
       bits 15-1 reserved (0)
   DI = memory card offset (4K units)

Return: CF clear if successful
       AH destroyed
   CF set on error
       AH = error code (01h,02h,07h,08h,11h) (see AH=80h"PCMCIA")

Notes: this function is only valid for memory-mapped windows
   the socket being operated on is implied by the previous AH=89h call

See Also: AH=89h,AH=8Ah