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Cisco 7200 VXR Installation and Configuration Guide
OL-5013-09
Chapter 1 Cisco 7200 VXR Product Overview
Field-Replaceable Units
Note To prevent DRAM errors in the NPE-100, NPE-150, or NPE-200, and to ensure that your system
initializes correctly at startup, DRAM bank
0 (socket U18 and U25, or U11 and U25) must contain no
fewer than two SIMMs of the same type. You may also install two SIMMs of the same type in bank
1
(socket U4 and U12, or U42 and U52); however, bank 0 must always contain the two largest size SIMMs.
Figure 1-14 NPE-100
Table 1-20 lists the NPE-100 network processing engine memory specifications, and Table 1-21 lists
memory configurations.
Tab le 1-19 NPE-150 DRAM SIMM Memory Configurations
Total DRAM DRAM Bank 0 Quantity DRAM Bank 1 Quantity Product Number
1
1. These products are also available as DRAM upgrades. For example, to upgrade a network processing engine from 32 MB to
64 MB of DRAM, order product number MEM-NPE-64MB=.
32 MB U18 and U25 2 16-MB SIMMs U4 and U12 — MEM-NPE-32MB=
64 MB U18 and U25 2 32-MB SIMMs U4 and U12 — MEM-NPE-64MB=
128 MB U18 and U25 2 32-MB SIMMs U4 and U12 2 32-MB
SIMMs
MEM-NPE-128MB=
1 System controller 6 Midplane connectors
2 R4700 microprocessor 7 Temperature sensor
3 Captive installation screw 8 DRAM SIMMs
4 Handle 9 Bank 1
5 Temperature sensor 10 Bank 0
66433
U12
U4
U25
U18
N
ET
W
O
R
K
PR
O
C
E
SS
IN
G
E
N
G
IN
E-100
6
9
8
10
3 5
4
2
1
7