1-29
Cisco 7200 VXR Installation and Configuration Guide
OL-5013-09
Chapter 1 Cisco 7200 VXR Product Overview
Field-Replaceable Units
Figure 1-13 NPE-150
Table 1-18 lists the NPE-150 memory specifications, and Table 1-19 lists memory configurations.
1 System controller 7 Midplane connectors
2 R4700 microprocessor 8 Temperature sensor
3 1-MB SRAM (U700 through U703, U800
through U803)
9 DRAM SIMMs
4 Captive installation screw 10 Bank 1
5 Handle 11 Bank 0
6 Temperature sensor
66424
U12
U4
U25
U18
N
ETW
OR
K
PR
O
C
ES
SING
EN
G
IN
E-150
7
10
9
11
4 6
5
3
2
1
8
Tab le 1-18 NPE-150 Memory Specifications
Memory Type Size Quantity Description Location
1
1. Location on processing engine board. See Figure 1-13.
DRAM 32 to 128 MB 2 to 4 16- or 32-MB SIMMs (based
on maximum DRAM
required)
Bank 0: U18 and
U25
Bank 1: U4 and
U12
SRAM 1 MB 8 8 chips, each being 128K
words x 9 bits wide
U700 through
U703
U800 through
U803
Boot ROM The NPE-150 uses the boot ROM present on the I/O controller.
Primary cache — — R4700 processor, internal
cache
U201
Secondary cache 512 KB 4 R4700 processor, unified
external cache
U2, U10, U14,
and U26
