Sony PCV-R528DS - Manual (Page 241)

Adding Memory
The computer has two memory slots. For memory upgrades, use only 3.3V 64-bit PC-100 SDRAM DIMM modules.
To install memory
! Make sure you observe the proper safety precautions when you add DIMMs to your Sony computer. See "Notes on
Use" in the VAIO Consumer Information Guide.
1. Shut down your computer and turn off all peripheral devices, such as your printer.
2. Unplug your computer and any peripheral devices.
3. Remove the cover as described in Removing the Cover .
4. If necessary, remove any cables, add-in cards, or other components to access the DIMM sockets.
5. Handle the DIMM only by the edges, and remove it from its anti-static package.
6. Locate the keys on the bottom edge of the DIMM .
7. Align the DIMM over the socket.
! To avoid damaging the DIMM socket, move the DIMM socket tabs slightly outward to relieve pressure. The
DIMM should then click easily into place.
7.
8. Firmly insert the bottom edge of the DIMM into the socket.
9. Press evenly against the DIMM's upper corners. The end latches snap into position automatically.
10. Reinstall any add-in cards or components you removed.
11. Replace the cover and reinstall the screws, as described on Replacing the Cover .
Page 241