Low Insertion Force

from The Free On-line Dictionary of Computing (8 July 2008)

Low Insertion Force

   <hardware> (LIF) {PGA}/{SPGA} sockets with no handle.  The
   {integrated circuit} is simply pushed into the socket, and
   levered out to remove.  Most {motherboard} {processor} sockets
   are now {ZIF} rather than LIF.

   (1999-08-05)