SODIMM SDRAM Memory 128MB 100MHz 144-pin ABR CL2 8x16 T017 PC100-222-620 MT8LSDT1664HG-10EB1 Confirm compatibility with your specific laptop. Fits many models, including:- Sony PCG-FXA series- many Compaq Presario models- many IBM Thinkpad models Used as IBM FRU P/N: 20L0265. Equivalent to Kingston KVR100X64SC2/256, KVR100X64SC2L/256, KTM-TP390X/256 low-density (8-chip, 2-sided)