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Memory Requirements

Depending on the circumstances, you might need to determine the amount of main memory (DRAM or

SDRAM) required by your Cisco 7200 series router to support a combination of installed port adapter

types and a specific Cisco IOS software subset image.

The NPE-175, NPE-225, NPE-300, and NSE-1 use SDRAM DIMMs for main memory, whereas the

Note

NPE-100, NPE-150, and NPE-200 use DRAM SIMMs for main memory.

The NPE-400 uses a single SDRAM SODIMM for main memory.

The NPE-G1 uses two SDRAM SODIMMs for main memory.

The NPE-G2 uses a single SDRAM DIMM for main memory.

This chapter contains the following sections:

Determining Port Adapter and System Memory Requirements, page 2-2

•

Sample Configuration Showing Processor Memory Required, page 2-2

•

Cisco IOS Software Memory Requirements, page 2-4

•

Determining DRAM or SDRAM Required If the Router Has Only 32 MB of Memory (NPE-100,

NPE-150, and NPE-200), page 2-5

•

SDRAM and DRAM Options for NPEs and the NSE, page 2-6

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C H A P T E R

Cisco 7200 Series Port Adapter Hardware Configuration Guidelines

2-1