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 i Series 1420, 1421, 1422, 1423; ThinkPad i Series 1441, 1442; ThinkPad i Series 1450, 1451, 1452; ThinkPad i Series 1500 2621-560; ThinkPad 770 9548-3xx, 4xx; ThinkPad 770E 9548-5xx; ThinkPad 770ED 9549-5xx; ThinkPad 770X 9549-7xx, Exx; ThinkPad 770Z 9549-8xU; ThinkPad 240; ThinkPad 390; ThinkPad 390E Celeron Series; ThinkPad 390E Pentium II Series; ThinkPad 570; ThinkPad 600; ThinkPad 600E.