IBM/Lenovo 10K0034 1GB 1X1GB DDR SODIMM 200-pin LP 266MHz PC2100 2.5V 2.5-3-3-6
Mushkin 1GB DDR SODIMM. Internal memory: 1024 MB, Internal memory type: DDR, Memory clock speed: 266 MHz. Memory voltage: 2.5 V. Compatibility: IBM-Lenovo ThinkPad ThinkPad R Series ThinkPad R40 Pentium M 2722, 2723, 2724-xxx