User manual SONY VAIO VPCCB25FX/W

[. . . ] · Remove the RAM you are replacing. Note: A video version of the installation instructions is available at http://www. info. apple. com/installparts Tools Required · Jeweler's flat-blade screwdriver · Phillips screwdriver Electrostatic Discharge (ESD) Static electricity, a normal and natural phenomenon, builds up on your body as you walk around. You experience an electrostatic discharge (ESD) when you touch an object and feel a spark. [. . . ] ESD can cause damage to the internal components of your computer. To avoid ESD damage, read and follow all instructions. If a grounding wrist strap is included with your replacement memory, refer to the instructions included for how to ground and use the strap. About Memory Your computer comes with a minimum of 64 megabytes (MB) of synchronous dynamic random-access memory (SDRAM) installed in a RAM slot on the bottom of the processor module. On the top of the processor module is another RAM slot you can use to add additional memory to your PowerBook. RAM Specifications The expansion slots on the top and bottom of the processor module can accept up to a 2-inch SDRAM card that meets the following specifications: · small outline-dual inline memory module (SO-DIMM) format · 16, 32, 64, 128, or 256 MB · 144-pin · PC-100 Type RAM SDRAM from earlier PowerBook models cannot be used. Maximum RAM Configurations The maximum amount of RAM you can install in your PowerBook is 512 MB, using 256 MB DIMMs in both the top and bottom RAM slots. To install RAM in the bottom RAM slot, refer to the document called "Memory (RAM) Replacement Instructions. " 2 - PowerBook (FireWire) Memory (Upper RAM Slot) Removing RAM From the Upper RAM Slot Warning: Always turn off your computer before opening it to avoid damaging its internal components. 1 2 Place your computer on a clean, flat surface. Shut down your computer, remove the battery from the expansion bay, and disconnect the power adapter, modem, and any other cables connected to the computer. Warning: The internal components of your PowerBook may be hot. If you are having trouble inserting the card, try pushing one side at a time. PowerBook (FireWire) Memory (Upper RAM Slot) - 7 3 Gently push the RAM expansion card down until the two snaps on either side of the card lock into place. Snap 4 Insert the internal heat shield. Important: When replacing the internal heat shield, make sure it does not cover the plastic tabs for the hard disk and optional AirPort Card. The plastic tab for the processor module should be placed under the heat shield. Heat Shield Screws AirPort Card Tab Hard Disk Tab Processor Module Tab 5 Press down on the bottom portion of the heat shield to secure it and then replace the screws. PowerBook (FireWire) Memory (Upper RAM Slot) - 8 6 Flip the keyboard over and insert the small tabs at the bottom of the keyboard into the openings in the PowerBook case. 7 Pull down on the keyboard release tabs (located to the left of the F1 and F9 keys) and then press down on the top portion of the keyboard. 8 9 Let go of the keyboard release tabs to secure the keyboard in place. Replace the PowerBook battery or plug in the power adapter. Warning: Never turn on your computer unless all of its internal and external parts are in place and it is closed. Operating the computer when it is open or missing parts can damage your computer or cause injury. 10 Restart the computer. PowerBook (FireWire) Memory (Upper RAM Slot) - 9 Apple Computer, Inc. Under the copyright laws, this document may not be copied, in whole or in part, without the written consent of Apple. The Apple logo is a trademark of Apple Computer, Inc. , registered in the U. S. [. . . ] The Apple logo is a trademark of Apple Computer, Inc. , registered in the U. S. Use of the "keyboard" Apple logo (Option-Shift-K) for commercial purposes without the prior written consent of Apple may constitute trademark infringement and unfair competition in violation of federal and state laws. Every effort has been made to ensure that the information in this document is accurate. [. . . ]