User manual SONY VAIO VGN-NW235F/S

[. . . ] Copyright 2001 All rights reserved. Microsoft and Windows are registered trademarks of Microsoft Corporation. DOS, Windows 95/98/ME/ 2000/NT are trademarks of Microsoft Corporation. Product names mentioned herein may be trademarks and/or registered trademarks of their respective owners/companies. The software described in this manual is delivered under a license agreement. [. . . ] You can increase the amount of memory by adding a dual inline memory module (commonly known as DIMM. ) The DIMM can be 16MB, 32MB, 64MB, 128MB or 256MB in capacity. The DIMM is of type Synchronous DRAM, has 144 pins and runs on 3. 3V. The speed of the DIMM may be 70ns or 60ns (the smaller number the faster. ) Warning: Memory upgrade in this notebook is a delicate process. Please observe the following instructions carefully or have a qualified technician install it for you. Damages due to mishandling of this procedure is NOT covered by the manufactures warranty. Warning: Changing memory while your computer is in suspend or power-saving mode may cause permanent damage to the notebook. Make sure you turn off the power and unplug the AC cord before proceeding with a memory upgrade. 4-6 Section 4 UPGRADING YOUR NOTEBOOK Expanding The DIMM Module In The Original Socket To expand the DIMM, do the following: Warning: To avoid damaging the DIMM, do not touch its metal contact edge to avid the electrostatic damage from static electricity. 1. Unplug the AC cord and all cables/devices attached to the notebook. Place your hand on a large metal object momentarily to discharge any static electricity. Place the notebook on a flat surface and fully open the LCD lid. Find the keyboard latches A, B and C near the bottom edge of the keyboard refering to the figure as below. It will retract when pressed and revert back to its original position when released. Illustration 4-3 Fn Ctrl Ctrl Alt Alt Del Latch A Latch B Bottom Edge of Keyboard Latch C 5. Follow steps 1~7 in the above section, Installing the DIMM Module In The Memory Socket. Hold the extended memory module at a 30-degree angle and slide it into the empty momery socket. Notch DIMM Module Memory Socket 3. Align the small notch in the module with the socket on the connector and gently push it in and down until it clicks in place. Pivot the DIMM until the latches on both sides of the socket snap into place. Put the keyboard back to its original face-up position. Be aware of the flexible PCB connected to the keyboard. The keyboard should now be locked by the spring-loaded latches. You have just completed the memory upgrade. 4-10 Section 4 UPGRADING YOUR NOTEBOOK Removing the DIMM Module In The Expansion Socket To remove the memory module, do the following: 1. Follow steps 1~7 in the above section, Installing the DIMM Module In The Memory Socket. Press out on the latches located on both edges of the expansion socket at the same time. The DIMM should pop up to an angle of 30 degree. [. . . ] Replace only with same or equivalent type recommended by the manufacturer. Discard used batteries according to the manufacturer`s instructions or local laws. Explisionsgefahr bei unsachgernazen Austausch der Batterie. Ersatz nur durch denselben oder einem vom Hersteller empfohlenem ahnlichen Typ. [. . . ]