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Chapter 10 Replace Data Cards and Processing Hardware 235
Installation and Maintenance Guide
Replace Memory
The Business communication manager is equipped with 256 MB of Random Access Memory
(RAM). The memory resides on a Dual In-line Memory Module (DIMM) on the main card. The
main card contains space to add a second DIMM, or you can upgrade the existing DIMM.
Figure 156 provides an overview of the process for replacing or adding memory chips.
Figure 156 Memory replacement overview
Remove the dual in-line memory module (DIMM) card
Use this procedure to remove a DIMM when the circuit fails or when you want to increase the
amount of RAM in the Business Communications Manager.
Danger: Risk of shock.
Disconnect the power cord, telephone cables and network cables before opening the
computer.
Read and follow installation instructions carefully.
Caution: Use only a Nortel Networks approved replacement. Contact your account
representative for the current list of approved replacement parts
Note: There must be at least one DIMM installed in the Business Communications
Manager in order for the system to function.
Warning: Protect the hardware components against damage from electro-static
discharge. Always wear a ground wrist strap before you handle components. Always place
the components in static-free container.
Do a software
shutdown
Set up unit for
maintenance
Remove the BFT
Restore unit to
operation
Pull DIMM off
motherboard
Install a new
DIMM
Test system