Dell OptiPlex 3020M - Installing the Memory; Removing the Coin-Cell Battery; Installing the Coin-Cell Battery; System Board Layout

Installing the Memory
NOTE: Please use DIMM 2 slot if there is only one memory module available.
1. Align the notch on the memory-card with the tab in the system-board connector.
2. Press down on the memory module until the retention clips spring back to secure them in place.
3. Install the:
a. processor fan module
b. cover
4. Follow the procedures in After Working Inside Your Computer.
Removing the Coin-Cell Battery
1. Follow the procedures in Before Working Inside Your Computer.
2. Remove the:
a. cover
b. hard drive
c. PS2 and serial connector board
3. Press the release latch away from the battery. The battery pops out from the socket; lift the coin-cell
battery out of the computer.
Installing the Coin-Cell Battery
1. Place the coin-cell battery into its slot on the system board.
2. Press the coin-cell battery downward until the release latch springs back into place and secures it.
3. Install the:
a. PS2 and serial connector board
b. hard drive
c. cover
4. Follow the procedures in After Working Inside Your Computer.
System Board Layout
The following image displays the system board layout of the computer.
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