Sony PCV-L400 Manual

8. Connect all peripheral devices and AC power, and then turn on the computer. 

Adding Memory 

The computer has two memory slots. For memory upgrades, use only 3.3V unbuffered 4-clock
64-bit, 100 MHz SDRAM DIMM module Rev1.0. 

Make sure you observe the proper safety precautions when you add DIMMs to your Sony computer. See

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 

. 

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. 

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.