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3 Upgrading your system

Removing and installing memory modules

The four DIMM sockets on board accept 256-, 512-MB and 1-GB DDR (Double Data Rate) SDRAM DIMMs for a maximum memory capacity of 4 GB.

Note: The mainboard supports PC2100/DDR-266 SDRAM DIMMs. Contact your dealer for qualified DIMM vendors.

Refer to “Mainboard layout” on page 14 for the location of these DIMM slots in the mainboard.

Each DDR DIMM socket is independent from the other. This independence allows you to install DDR DIMMs with different capacities to form different configurations.

Note: The DDR DIMM has only one notch located on the center of the module.

Removing a DDR DIMM

Before you can install a new DIMM in a socket, remove first any previously installed DIMM from that socket.

1Remove the system cover. See page 35 for more detailed instructions.

2Locate the DDR DIMM socket on the mainboard.

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Acer R300 manual Removing and installing memory modules, Removing a DDR Dimm