Cisco Systems 7200 VXR manual NPE-150 Memory Specifications

Chapter 1 Cisco 7200 VXR Product Overview

Field-Replaceable Units

Figure 1-13 NPE-150

1

2

3

7

8
	9
U12
10
U4
U25	11
U18
NETWORK PROCESSING ENGINE-150	66424

	4	5	6
1	System controller			7	Midplane connectors
2	R4700 microprocessor			8	Temperature sensor
3	1-MB SRAM (U700 through U703, U800			9	DRAM SIMMs
	through U803)
4	Captive installation screw			10	Bank 1
5	Handle			11	Bank 0
6	Temperature sensor

Table 1-18lists the NPE-150 memory specifications, and Table 1-19lists memory configurations.

Table 1-18	NPE-150 Memory Specifications
Memory Type		Size		Quantity		Description	Location1
DRAM		32 to 128 MB		2 to 4		16- or 32-MB SIMMs (based	Bank 0: U18 and
						on maximum DRAM	U25
						required)	Bank 1: U4 and
							U12
SRAM		1 MB		8		8 chips, each being 128K	U700 through
						words x 9 bits wide	U703
							U800 through
							U803
Boot ROM		The NPE-150 uses the boot ROM present on the I/O controller.
Primary cache		—	—		R4700 processor, internal		U201
						cache
Secondary cache		512 KB		4		R4700 processor, unified	U2, U10, U14,
						external cache	and U26

1. Location on processing engine board. See Figure 1-13.

Cisco 7200 VXR Installation and Configuration Guide

OL-5013-08 1-29