Cisco uBR7100E Series Guide d'installation télécharger pdf (Page 91)

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Cisco uBR7100 Series and Cisco uBR7100E Series Universal Broadband Router Hardware Installation Guide

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Chapter 6 Maintenance

Upgrading the SDRAM Memory Modules

Caution Handle the edges of the DIMM only; avoid touching the memory module, pins, or traces (the metal

fingers along the connector edge of the DIMM).

Figure 6-10 Handling the DIMM

Caution To prevent ESD damage when working with DIMMs: handle the DIMM by the card edges only, place a

removed DIMM on an antistatic mat, and store it in an antistatic container.

Step 5 Place the DIMM in an antistatic container to protect it from ESD damage.

Replacing the SDRAM DIMM

Note The network processor card contains two SDRAM slots for user-configurable system memory, DIMM 1

and DIMM 2.

• The amount of memory installed in slot DIMM 1 must be greater than or equal to the memory

installed in slot DIMM 2.

• Slot DIMM 2 is zero for the default memory configuration of 128 MB.

• Slot DIMM 0 is used only for packet memory and is fixed at 64 MB in the factory.

To replace the SRAM DIMM, do the following:

Step 1 Make sure that you are properly grounded.

Step 2 Remove the new DIMM from its antistatic container.

1 SDRAM DIMM

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Cisco uBR7100E Series Guide d'installation Page 91