Dell OptiPlex E1 Reference And Installation Manual page 100

6-6 Dell OptiPlex E1 Managed PC Reference and Installation Guide
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.
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:
ALERT! Cover was previously removed.
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.
Memory can be increased to a maximum of 256 megabytes (MB) by installing combi-
nations of 16-, 32-, 64-, or 128-MB nonparity synchronous dynamic random-access
memory (SDRAM) dual in-line memory modules (DIMMs) in the two DIMM sockets
on the system board. Figure 6-6 shows the DIMMs and DIMM sockets. DIMM speed
(66 megahertz [MHz]) should match the external bus speed of the microprocessor.
DIMMs (2)
DIMM sockets (2)