Specifications

8 Network Processing Engine Replacement Instructions
Network Processing Engine Description
Figure 6 NPE-300
Table 1 lists the NPE-100, NPE-150, and NPE-200 network processing engine memory
components.
Table 1 Network Processing Engine Memory Specifications (Cisco 7200 Routers and Cisco uBR7200
Series
Memory Type Size Quantity Description Location
DRAM 32 to 128 MB 2 to 4 16- or 32-MB SIMMs (based on maximum
DRAM required)
Bank 0: U18 and U25 or U11
and U25
1
Bank 1: U4 and U12 or U42 and
U52
2
1 The sockets for bank 0 on the NPE-100 and the NPE-150 are numbered U18 and U25. The same sockets on the NPE-200 are numbered U11 and
U25.
2 The sockets for bank 1 on the NPE-100 and the NPE-150 are numbered U4 and U12. The same sockets on the NPE-200 are numbered U42 and
U52.
SRAM
NPE-150 1 MB 8 8 chips, each being 128K x 9 bits wide U700 through U703
U800 through U803
NPE-200 4 MB 8 8 chips, each being 512K x 8 bits wide U6, U10, U13, U14, U28, U29,
U38, and U39
Boot ROM
3
3 ROM = read-only memory. The NPE-100 and NPE-150 use the boot ROM present on the I/O controller.
NPE-200 256 KB 1 EPROM for the ROM monitor program Socket U92
Unified cache 512 KB 4 Secondary cache for the R4700 NPE-100 and NPE-150
U2, U10, U14, and U26
Secondary cache for the R5000 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