Sony PCV-RS402 Hardware Manual page 55

Upgrading your VAIO computer
6 To remove an existing memory module, release the end latches and gently lift out the module, as shown
(may vary from actual configuration):
7 To insert a new memory module, remove it from its anti-static package, handling it only by the edges.
8 Locate the notch on the bottom edge of the memory module.
9 Align the memory module over the slot, making sure the module is facing the correct way.
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