Very pleased with manual except that a few more details in the drawings might make the job (not yet done, tut-tut) easier. Should be adequate though. Actually I didn't have to pay for this anyway as I was given credit for another item that wasn't quite complete. Good service, then.
Very useful manuals, somewhere graphics not very clear!
Text excerpt from page 64 (click to view)
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3
Install the memory module.
Installing memory module
1 Slide the memory module into the slot.
2 Press the module into place until it clicks.
4
Tighten the screw on the cover of the memory bay.
To view the amount of memory 1 2 Restart the notebook. Click the Start button on the Windows status bar, point to VAIO option, and click �Sony Notebook Setup.� The Sony Notebook Setup screen appears. 3 Click the �About This Computer� tab to view the amount of system memory. If the additional memory is not shown, repeat steps 1 through 4 in �To install a memory module� .