CHAPTER
2-1
Cisco 7200 Series Port Adapter Hardware Configuration Guidelines
OL-3875-11
2
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.
Note The NPE-175, NPE-225, NPE-300, and NSE-1 use SDRAM DIMMs for main memory, whereas the
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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