Specifications

8 Memory Replacement Instructions for the Network Processing Engine and Input/Output Controller
Memory Systems Overview
Figure 7 NPE-300
Table 3 lists NPE-100, NPE-150, and NPE-200 network processing engine processor and memory
specifications. Table 4 lists NPE-175, NPE-225, and NPE-300 network processing engine processor
and memory specifications. Table 6 lists the I/O controller memory specifications.
Table 3 Network Processing Engine (NPE-100, NPE-150, NPE-200) Processor and
Memory Specifications
Description Specification Location
Processor NPE-100 and NPE-150
150-MHz R4700 RISC
1
NPE-200
200-MHz R5000 RISC
Socket U201
Socket U44
Main memory
(DRAM)
2
32 to 128 MB Bank 0: U18 and U25 or U11 and
U25
3
Bank 1: U4 and U12 or U42 and
U52
4
SRAM
5
NPE-150
NPE-200
1 MB
4 MB
U700 through U703
U800 through U803
U6, U10, U13, U14, U28, U29,
U38, and U39
Unified secondary cache 512 KB NPE-100 and NPE-150
U2, U10, U14, and U26
NPE-200
U16, U9, U109, and U107
13338
Midplane
connectors
NETWORK PROCESSING ENGINE-300
DIMM 3
U44
DIMM 1
U15
Boot ROM
U1
Keying postKeying post
DIMM 0
U16
DIMM 2
U45
RM7000
microprocessor
System controllers
SDRAM DIMMs
bank 1
SDRAM DIMMs
bank 0
Handle
Captive
installation
screw