IBM 256MB 100MHz 144-pin PC100 SDRAM SODIMM for ThinkPad Laptops This part may be manufactured for IBM by Micron, Samsung, Elpida, Kingmax, Hitachi, USI or others. Equivalent to IBM 3L3070, 33L3069, MM33L3069; Micron MT16LSDF3264HG-10EE4; Kingston KTT-SO100/256, KTD-INSP7500/256, KTC311/256LP, KTM-TP390X/256, 161554-B21-KT; Samsung M464S3323BN0-L1L, Mitsubishi MH32S64APFB-7L SO-DIMM 144p ABM 16c CL2 Non-Parity 3.3v 32Mx64 16x8 double-sided low-density Compatible with IBM Thinkpad 390X, 570, 570E, 600X, A20m, 390X, 570E, 600X, 20m, A20p, A21e, A21m, A21p, A22e, A22m, A22p, T20, T21, T22, Transnote 675-xxx, X20, X21, X22, i1422, 1482, i1483, i1492, i1542, i1562, i1592, i1781