Int 66 Fn 3345  - Bitfax Scheduler - Remove Tsr From Memory                [F]

   AX = 3345h

Return: AX = FFFFh error removing TSR

Note:  the installation check consists of checking for the signature
     "BitFax Scheduler" beginning two bytes past the interrupt handler

See Also: AH=04h,INT 2F/AH=2Ah,INT 2F/AX=CB00h
Index: installation check;BitFax Scheduler