Int 6F Fn 06  - Hp Vectra Ex-bios - "f_ins_xchgfix" - Exch Values With Fi  [b]

   AH = 06h
   BP = 0012h (driver ID for V_SYSTEM)
   BX = vector address
   DX = new value for DS
   ES:DI -> new CS:IP entry point

Return: AH = status (see #3415)
   DX = old value for DS
   ES:DI -> old CS:IP entry point
   BP,DS destroyed
Desc:  replace an existing EX-BIOS driver at a fixed HPVT location without
     initialization

See Also: AH=00h"HP Vectra",AH=04h"F_INS_BASEHPVT",AH=08h"F_INS_XCHGRSVD"

See Also: AH=0Ah"F_INS_XCHGFREE",AH=0Ch"F_INS_FIXOWNDS"