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Network Processing Engine and Network Services Engine Installation and Configuration
OL-4448-12
Chapter 3 NPE-300 and NPE-400 Overview
NPE-300 and NPE-400 Description and Overview
NPE-300 and NPE-400 Description and Overview
This section contains information about the network processing engine components and the system
management functions. The network processing engine maintains and executes the system management
functions for the routers. It also shares the system memory and environmental monitoring functions with
the I/O controller.
Components
Figure 3-1 NPE-300
1 Midplane connectors 9 RM7000 microprocessor
2 Keying post 10 Temperature sensor (U42)
3 DIMM 3 (U44) 11 Keying post
4 Bank 1 (user configurable) 12 Temperature sensor (U41)
5 DIMM 2 (U45) 13 Boot ROM (U1)
6 Captive installation screw 14 DIMM 0 (U16)
7 Handle 15 Bank 0 (fixed)
8 System controllers 16 U15 (never populated)
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