Dell OptiPlex G1, Reference And Installation Manual, Page: 101 / 164

Installing System Board Options 6-7
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NOTE: Installing filler brackets over empty card-slot openings is necessary to
maintain Federal Communications Commission (FCC) certification of the system.
The brackets also keep dust and dirt out of your computer.
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NOTE: After you remove and replace the cover, the chassis intrusion detector will
cause the following message to be displayed at the next system start-up:
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See Chapter 2, “Using the System Setup Program,” for instructions.
NOTE: If a setup password has been assigned by someone else, contact your
network administrator for information on resetting the chassis intrusion detector.
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Memory can be increased to a maximum of 256 megabytes (MB) by installing combi-
nations of 32-, 64-, or 128-MB dual in-line memory modules (DIMMs) in the two
DIMM sockets on the system board. Figure 6-6 shows the DIMMs and DIMM sock-
ets. Your system can support nonparity synchronous dynamic random-access
memory (SDRAM) DIMMs. DIMM speed (66 MHz or 100 MHz) should match the
external bus speed of the microprocessor.
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Using a mixture of 66-MHz and 100-MHz DIMMs on a system that has an external
bus speed of 100 MHz
generates the following error message:
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