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9-8

Cisco 7500 Series Installation and Configuration Guide

OL-5008-03 B0

Chapter 9 Replacing DRAM on the Route Switch Processor

Upgrading or Replacing DRAM DIMMs on the RSP4 and RSP8

Note Depending on your router configuration and the protocols and features your system is running, you

might require more than the 32 MB of default DRAM for your RSP4, and more than the 64 MB of default

DRAM for your RSP8. Upgrade your system DRAM based on your current configuration, this potential

requirement, and the information in Table 9-2 and Table 9-3.

Caution To prevent system and memory problems when installing DRAM, the RSP4 and RSP8 DRAM DIMMS

must be 3.3V devices. Do not attempt to install higher-voltage devices (such as those designed for the

RSP2) in the RSP4 or RSP8 DIMM sockets.

To prevent system and memory problems, use the same size and type Cisco DIMM in each socket. If you

have a redundant RSP in the system, the memory size and type on the redundant RSP must be the same

as the memory size and type on the primary RSP.

Table 9-2 DRAM DIMM Configurations for the RSP4

Quantity Totals Product Numbers

One 32-MB DIMM 32 MB MEM-RSP4-32M

1. The 32-MB DRAM configuration is the default for RSP4s shipped in a Cisco 7507, Cisco 7513, and

Cisco 7576 router.

One 32-MB DIMM 32 MB MEM-RSP4-32M=

2. This DRAM product spare option assumes you already have one 32-MB DRAM DIMM installed in an RSP4 and want to

upgrade to 64 MB of DRAM by adding a second 32-MB DRAM DIMM.

Two 32-MB DIMMs or one

64-MB DIMM

3. When using the MEM-RSP4-64M= Product Number to order spare DRAM, note that two 32-MB DIMMs are currently

shipped. As DRAM supplies warrant, these orders may be fulfilled with one 64-MB DIMM in the future.

64 MB MEM-RSP4-64M=

One 128-MB DIMM 128 MB MEM-RSP4-128M=

Two 128-MB DIMMs 256 MB MEM-RSP4-256M=

Table 9-3 DRAM DIMM Configurations for the RSP8

Quantity Totals Product Numbers

One 64-MB DIMM

1. When using the MEM-RSP8-64M= Product Number to order spare DRAM, note that two 32-MB DIMMs are currently

shipped. As DRAM supplies warrant, these orders may be fulfilled with one 64-MB DIMM in the future.

64 MB MEM-RSP8-64M

2. The 64-MB DRAM configuration is the default for RSP8s shipped in a Cisco 7507-MX and Cisco 7513-MX router. Order

this DRAM if you already have 64MB of DRAM in one DIMM socket and want to upgrade to 128 MB of DRAM by adding

64 MB of DRAM in the other DIMM socket.

One 128-MB DIMM 128 MB MEM-RSP8-128M=

Two 128-MB DIMMs 256 MB MEM-RSP8-256M=

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Cisco Catalyst 7500 Series Especificaciones Pagina 272