Int 21 Fn BD  - Novell Netware - Synchronization Services - Release Physi  [N]

   AH = BDh
   BX = file handle
   CX:DX = starting offset in file
   SI:DI = length of record

Return: AL = status
       00h successful
       FFh record not locked
Desc:  unlock the specified physical record but do not remove it from log
     table

Note:  this function is supported by NetWare 4.6+, Advanced NetWare 1.0+, and
     Alloy NTNX

See Also: AH=BCh,AH=BEh"NetWare",AH=C0h,AH=C3h,AH=D2h