Cisco 12000 - Series Chassis Modular Expansion Base Replacement Instructions Manual - Page 19

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Cisco 12000 - Series Chassis Modular Expansion Base Replacement Instructions Manual

Required Tools and Equipment

You will need the following tools and parts to install or replace memory on the Cisco 12000 Series

Router GRP, PRP, or line cards:

•

Replacing and Upgrading Route Processor Route Memory

This section describes how to replace or upgrade the route memory DRAM DIMMs on the GRP and the

SDRAM DIMMs on the PRP. Unless otherwise stated, throughout the remainder of this publication the

GRP and the PRP are called an RP.

If the router is equipped with a single RP, you must power down the router before removing the RP to

Note

replace or upgrade processor memory DIMMs on the RP. If the router is equipped with an optional,

redundant RP, you can remove one of the RPs while the router is running without affecting router

operation. Redundant RPs should both have the same memory size.

This section contains the following procedures:

•

If you are upgrading memory by adding a matching DIMM to an existing single-DIMM configuration,

use the procedure in the

If you are replacing a defective DIMM or performing a memory upgrade that requires the existing

DIMMs to be removed, you must first remove the existing DIMMs. In that case, use the procedure in the

"Removing Route Memory DIMMs from an RP" section on page

from the RP, proceed to the

78-4338-16

Flat-blade or Number 2 Phillips screwdriver.

Some early models of the GRP and line cards are equipped with slotted-head captive screws that

fasten the card in the card cage. Later models of the GRP, PRP, and line cards are equipped with

combination-head captive screws, which can take either a flat-bladed screwdriver or a Phillips

screwdriver.

Your own ESD-prevention equipment or the disposable grounding wrist strap included with all

upgrade kits, field-replaceable units (FRUs), and spares for the Cisco 12000 Series Routers.

Antistatic mat or surface.

The DIMM modules for configuring the GRP, PRP, or line card memory (for the GRP, see

for the PRP see

Table

2; for line cards, see

Removing Route Memory DIMMs from an RP

Installing Route Memory DIMMs on an RP

Checking the Installation of RP Memory

"Installing Route Memory DIMMs on an RP" section on page

Replacing and Upgrading Route Processor Route Memory

Table 4

and

Table

6).

20. After you have removed the DIMM

Cisco 12000 Series Router Memory Replacement Instructions

Table

21.