76 Removing and Installing Parts
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Upgrading Computer Memory CAUTION: RIMMs can get very hot during normal operation. Be
sure that the RIMMs have had sufficient time to cool before you
touch them.
CAUTION: Before you perform this procedure, see "Safety First—
For You and Your Computer."
NOTICE: Before disconnecting a device from the computer, wait 10 to 20
seconds after disconnecting the computer from its electrical outlet. Before
removing a component from the system board, verify that the standby power
light on the system board has turned off. T o locate this light, see "System Board
Components" or the interior service label.
1Turn off the computer and devices, disconnect them from their
electrical outlets, and wait 10 to 20 seconds.
2Lay the computer on its right side.
3Open the computer cover.
4To access system board memory sockets, remove the microprocessor
airflow shroud.
512 MB 256 MB CRIMM empty empty 256 MB CRIMM empty empty
1024 MB 256 MB 256 MB CRIMM empty 256 MB 256 MB CRIMM empty
1280 MB 256 MB 256 MB 64 MB 64 MB 256 MB 256 MB 64 MB 64 MB
1536 MB 256 MB 256 MB 128 MB 128 MB 256 MB 256 MB 128 MB 128 MB
2048 MB 256 MB 256 MB 256 MB 256 MB 256 MB 256 MB 256 MB 256 MB
1024 MB 512 MB CRIMM empty empty 512 MB CRIMM empty empty
2048 MB 512 MB 512 MB CRIMM empty 512 MB 512 MB CRIMM empty
2304 MB 512 MB 512 MB 64 MB 64 MB 512 MB 512 MB 64 MB 64 MB
2560 MB 512 MB 512 MB 128 MB 128 MB 512 MB 512 MB 128 MB 128 MB
3072 MB 512 MB 512 MB 256 MB 256 MB 512 MB 512 MB 256 MB 256 MB
4096 MB 512 MB 512 MB 512 MB 512 MB 512 MB 512 MB 512 MB 512 MB
Sample Configurations with Memory Riser Boards
(continued)
Total Memory Riser Board A Riser Board B
Socket 1 Socket 2 Socket 3 Socket 4 Socket 1 Socket 2 Socket 3 Socket 4