SMART Modular Technologies is a specialist in memory modules in SIMM, DIMM, SO-DIMM, Rambus RIMM and custom form factors that utilize the latest DRAM, SRAM and Flash memory technologies. Because of this focus and concentration, SMART provides precision response to customer requirements. Design simulation, PCB design, surface mount technology and test are all experiencing rapid technological changes in response to rapid changes to higher density, higher operating frequency, lower voltages and smaller packages in memory ICs. SMART's leading edge technology continues to provide both standard and custom product solutions for its customers.This memory is designed for the following IBM systems: ThinkPad S30ThinkPad A22e (Pentium III)ThinkPad X21ThinkPad T22ThinkPad A22mThinkPad T20ThinkPad TransNoteThinkPad X20ThinkPad A20mThinkPad A20pThinkPad A21eThinkPad A21mThinkPad A21pThinkPad 390X 450/500 (Pentium III)ThinkPad 570EThinkPad 600X 450/500ThinkPad T21