Strange SIMM slot, can't figure out how to open them

Simm 1 slot

What is the meaning of DIMM slots? DIMM slots explained We've passed SIMM long ago, and DIMM has been with us for a very

towering fortunes slot 72-pin: FPM DRAM and EDO DRAM; different pin configuration from 72-pin SIMM A SO-DIMM slot on a computer motherboard A SO-DIMM (pronounced so

pgbet slot Slot Sockets SIMM Sockets SIMM Sockets SM Series 26 degress slanted; SIMM Sockets SM Series Vertical SIMM Sockets SM Series Vertical mm pitch SIMM