Lenovo NetVista A20 (English) User guide - Page 87
Adding and replacing system board components
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Chapter 7. Adding and replacing system board components To work with the hardware components on the system board, you must first unplug the system and remove the system unit cover. Before removing the cover or working with internal components, review "Safety information" on page viii. If you have not removed the cover from your system unit, see "Opening the system unit" on page 5-5. To access the section of the system board that you need to work with, you may have to remove adapter cards and drives. With the system board exposed, you can work with the connectors, system memory modules, and the system battery. Once you have completed your hardware changes and put the cover back on your system unit, you might need to enter the BIOS Configuration/Setup Utility to update the settings. The system board varies with the type. Please comprehend the type before you want to identify the parts and connector of the system board. The following sections contain instructions for working with the hardware components on your system board: • "Identifying system board parts" on page 7-2 • "PCI Card connector and jumper information" on page 7-4 • "Upgrading the system memory" on page 7-5 • "Replacing the system battery" on page 7-7 • "Updating the CMOS settings in Setup" on page 7-9 Adding and replacing system board components 7-1