AT&T 6300 Service Manual page 106

INSTALLATIONS
10. Replace the lower System Module cover and tighten the two
screws that secure the cover.
11. Place the System Module back in its upright position.
12. Remove the screw that secures the Memory Expansion
Board retaining bracket to the rear panel.
13. Put on the wrist strap and connect to ground (if available),
or touch the metal chassis before picking up the RAM chip
to release the static electricity from your hand.
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