Datasheet
2-13
Memory Replacement Instructions for the Network Processing Engine or Network Services Engine and Input/Output Controller
OL-8358-03
Chapter 2 SDRAM and DRAM Memory Systems Overview
Network Processing Engine or Network Services Engine Memory Information
Primary cache 16 KB
(instruction),
16 KB (data)
— RM7000 processor internal cache U49
Secondary
cache
256 KB
(unified
instruction and
data)
— RM7000 processor unified, internal
cache
U49
Tertiary cache 2 MB (fixed) — RM7000 processor external cache U7, U8, U9, U10,
U17
1. Socket U15 is never populated, although it is part of bank 0.
2. OTP = one time programmable
3. Located on the processor engine board
Table 2-12 NPE-300 SDRAM Configurable Memory
Total SDRAM
1
1. Refer to the Cisco AS5800 Universal Access Server documentation on Cisco.com for Cisco AS5800 Universal Access
Server SDRAM options.
SDRAM Bank 1
2
2. 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.)
Quantity Product Number
3
3. 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=.
32 MB
4
+
32 MB
4. This 32 MB is fixed memory in SDRAM bank 0.
U45 (DIMM slot 2 only) 1 32-MB DIMM MEM-SD-NPE-32MB
32 MB
4
+
64 MB
U45 and U44
or
2 32-MB DIMMs
or
MEM-SD-NPE-32MB
U45 1 64-MB DIMM MEM-SD-NPE-64MB
32 MB
4
+
128 MB
U45 and U44
or
2 64-MB DIMMs
or
MEM-SD-NPE-64MB
U45 1 128-MB DIMM MEM-SD-NPE-128MB
32 MB
4
+
256 MB
U45 and U44
or
2 128-MB DIMMs
or
MEM-SD-NPE-256MB
U45 1 256-MB DIMM MEM-SD-NSE-256MB
Table 2-11 NPE-300 Processor and Memory Specifications (continued)
Processor Memory Type Size Quantity Description Component
Location on the
NPE-300 Board