Lenovo IdeaPad S110 Hardware Maintenance Manual page 21

Note: A direct substitution is a part with a different FRU part number that is
automatically shipped by the distribution center at the time of the order.
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Lenovo IdeaPad S110 Hardware Maintenance Manual
Products marketed before June 2006
Current or Replacement FRU
original part
Non-RoHS Can be Non-RoHS
Non-RoHS Can be RoHS
Non-RoHS Can sub to RoHS
RoHS Must be RoHS
Products marketed after June 2006
Current or Replacement
original part FRU
Must be RoHS Must be RoHS