Toshiba Tecra R850 PT520C-00Q002 Users Manual Canada; English - Page 107

Insert the two memory modules into Slot A and Slot B respectively. The computer will operate in dual channel mode. You can access the inserted memory modules efficiently in dual channel. Use only memory modules approved by TOSHIBA. Do not try to install or remove a memory module under the following conditions. a. The computer is turned on. b. The computer was shut down in either Sleep or Hibernation Mode. c. Wake-up on LAN is enabled. d. The wireless communication function is on. e. Sleep and Charge function is enabled. Be careful not to let screws or other foreign matter fall into the computer. It could cause malfunction or electric shock. Additional memory module is a precision electronic component that may be fatally damaged by static electricity. Since the human body can carry static electricity, it is important that you discharge yourself before touching or installing any additional memory modules. To discharge your body's static electricity, simply touch any metal close to you with bare hands. Use a point size 1 Phillips screwdriver for R850/R840 and point size 0 Phillips screwdriver for R830 to remove and fasten the screws - the use of an incorrect screwdriver can damage the screw heads. Installing a memory module To install a memory module, follow the steps as detailed below: 1. Shut down the computer - make sure the Power indicator is off (refer to the Turning off the power section in Chapter 1, Getting Started if required). 2. Remove the AC adaptor and all cables and peripherals connected to the computer. 3. Close the display panel. 4. Turn the computer upside down and remove the battery pack (refer to Replacing the battery pack section in Chapter 5, Power and Power-Up Modes, if required). 5. Loosen the screw(s) securing the memory module cover in place please note that the screw(s) are attached to the cover in order to prevent them from being lost. User's Manual 3-43