Cisco Router 7204 Installation And Configuration Manual page 25

Chapter 1 Product Overview
Figure 1-6
System
controller
R5000
microprocessor
4-MB SRAM
U6, U10, U13,
U14, U28, U29,
U38, and U39
Table 1-1
Table 1-2 Network Processing Engine Memory Components (NPE-100, NPE-150, and NPE-200)
Memory Type Size
DRAM 32 MB to
128 MB
3
SRAM
NPE-150 1 MB
NPE-200 4 MB
4
Boot ROM 256 KB
(NPE-200 only)
Unified cache 512 KB
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.
3. The NPE-100 does not have SRAM.
4. ROM = read-only memory.
OL-5101-02
Network Processing Engine—200
Captive
installation
screw
lists the network processing engine memory components.
Quantity Description
2 or 4 16- or 32-MB SIMMs (based
on maximum DRAM required)
8 8 chips, each being 128K words
x 9 bits wide
8 8 chips, each being 512K words
x 8 bits wide
1 PLCC-type integrated circuit
for the ROM monitor program
4 Secondary cache for the R4700
and R5000 RISC processors
Temperature
Handle sensor
Location
Bank 0: U18 and U25 or U11 and U25
Bank 1: U4 and U12 or U42 and U52
U700 through U703
U800 through U803
U6, U10, U13, U14, U28, U29, U38, and U39
Socket U92
NPE-100 and NPE-150
U2, U10, U14, and U26
NPE-200
U16, U9, U109, and U107
Cisco 7204 Installation and Configuration Guide
Physical Description
Midplane
connectors
Temperature
sensor
Boot ROM U92
DRAM SIMMs
U52
Bank 1
U42
U25
Bank 0
U11
1
2
1-9