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Maintenance
150 Avaya CMS Sun Ultra 5 Computer Hardware Installation, Maintenance, and Troubleshooting
Adding the DIMMs
To add the DIMMs:
1. Loosen the three screws that hold the diskette or second hard disk drive bracket and
move the disk drive out of the way. See the following figure.
The computer must have at least two identical DIMMs installed in paired sockets of any
DIMM bank. For best system performance, install four identical DIMMs. Install the
DIMMs as shown in the table below.
2. Remove the DIMM from the antistatic container.
3. Starting with the first empty slot, unlock (press down) the ejector levers at both ends of
the connectors.
4. Position the DIMM in the connector, ensuring that the notches on the bottom of the
DIMM are aligned with the connector alignment keys.
5. Press firmly on both of the top ends of the DIMM at the same time until the DIMM is
properly seated.
6. Verify that the ejection levers are closed toward the DIMM.
DIMM bank Slot pairs
0 DIMM1 and
DIMM2
1 DIMM3 and
DIMM4
Screws (3)
Ejection
Lever
Disk or
Diskette
Drive
u5_memory.cdr