Cisco 7200 VXR User Manual page 20

Field-Replaceable Units
Table 1-8
Memory Type
Secondary
cache
Tertiary cache 2 MB (fixed)
1. Location on processing engine board. See
2. Bank 0 is used exclusively for packet memory and is not user configurable.
3. Bank 1 contains the Cisco IOS software, processor memory, and packet memory.
4. OTP = one-time programmable
The NPE-300 contains two banks of SDRAM. Both SDRAM banks are used for all packet memory
Note
requirements; however, bank 0 is used exclusively for packet memory and is set at a fixed configuration
in the factory.
Bank 1 contains two user-configurable SDRAM slots, DIMM slot 2 and DIMM slot 3 (see
Both slots in bank 1 can be populated by DIMMs of different sizes; however, the size of the DIMM in
slot 2 must be greater than or equal to the size of the DIMM in slot 3, and the size of the DIMM in slot 3
can be zero.
Table 1-9
Total SDRAM
3
32 MB + 32 MB
3
32 MB + 64 MB
3
32 MB + 128 MB
3
32 MB + 256 MB
1. There are two user-upgradable SDRAM slots in bank 1. (Bank 0 is used exclusively for packet memory and is set at a fixed
configuration in the factory.)
2. These products are also available as SDRAM upgrades. To order an upgrade, add an equal sign (=) after the product number,
for example, MEM-SD-NPE-128MB=.
3. This 32 MB is fixed memory in SDRAM bank 0, socket U16. Socket U15 is never populated.
Cisco 7200 VXR Installation and Configuration Guide
1-20
NPE-300 Memory Specifications (continued)
Size
256 KB
Figure
NPE-300 SDRAM DIMM Memory Configurations
SDRAM Bank 1
U45 (DIMM slot 2
only)
U45 and U44
or
U45
U45 and U44
or
U45
U45 and U44
Quantity Description
— RM7000 processor, internal,
unified instruction and data cache
— RM7000 processor, external cache U7, U8,
1-8.
1
Quantity
1 32-MB DIMM
2 32-MB DIMMs
or
1 64-MB DIMM
2 64-MB DIMMs
or
1 128-MB DIMM
2 128-MB DIMMs
Chapter 1 Cisco 7200 VXR Product Overview
Figure
2
Product Number
MEM-SD-NPE-32MB=
MEM-SD-NPE-32MB=
MEM-SD-NPE-64MB=
MEM-SD-NPE-64MB=
MEM-SD-NPE-128MB=
MEM-SD-NPE-128MB=
78-5469-04 B0
1
Location
U49
U9, U10,
U17
1-8).