IBM / Lenovo ThinkPad R40e Serie, ThinkPad R40e (2684), ThinkPad R40e (2685), ThinkPad R40e (Celeron), ThinkPad R40e (Pentium 4-M)
Your system supports only memory modules with selected memory chips. If you think you have found a store for a lower price elsewhere, then it is possible that the cheaper memory chip will not work.
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