Cisco 7200 VXR User Manual page 24

Field-Replaceable Units
Table 1-12 NPE-200 Memory Specifications (continued)
Memory Type
Primary cache
Secondary cache
1. Location on processing engine board. See
2. ROM = read-only memory.
To prevent DRAM errors in the NPE-100, NPE-150, or NPE-200, and to ensure that your system
Note
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.
Table 1-13 NPE-200 DRAM SIMM Memory Configurations
Total
DRAM
32 MB
64 MB
128 MB
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=.
Cisco 7200 VXR Installation and Configuration Guide
1-24
Size
—
512 KB
DRAM Bank 0 Quantity
U11 and U25 2 16-MB SIMMs U42 and U52
U11 and U25 2 32-MB SIMMs U42 and U52
U11 and U25 2 32-MB SIMMs U42 and U52
Quantity
—
4
Figure 1-10.
DRAM Bank 1 Quantity
—
—
2 32-MB
SIMMs
Chapter 1 Cisco 7200 VXR Product Overview
Description Location
R5000 processor, U44
internal cache
R5000 processor, U16, U9, U109,
unified external and U107
cache
Product Number
MEM-NPE-32MB=
MEM-NPE-64MB=
MEM-NPE-128MB=
78-5469-04 B0
1
1