Cisco 7204 - VXR Router, Руководство по установке и настройке

Страница: 25 / 142

1-9
Cisco 7204 Installation and Configuration Guide
OL-5101-02
Chapter 1 Product Overview
Physical Description
Figure 1-6 Network Processing Engine—200
Table 1-1 lists the network processing engine memory components.
H10310
System
controller
Temperature
sensor
Temperature
sensor
Handle
Midplane
connectors
U52
Bank 1
DRAM SIMMs
Boot ROM U92
U42
U25
U11
R5000
microprocessor
4-MB SRAM
U6, U10, U13,
U14, U28, U29,
U38, and U39
Captive
installation
screw
Bank 0
NETWORK PROCESSING ENGINE-200
Table 1-2 Network Processing Engine Memory Components (NPE-100, NPE-150, and NPE-200)
Memory Type Size Quantity Description Location
DRAM 32 MB to
128 MB 2 or 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
3
NPE-150
NPE-200
3. The NPE-100 does not have SRAM.
1 MB
4 MB
8
8
8 chips, each being 128K words
x 9 bits wide
8 chips, each being 512K words
x 8 bits wide
U700 through U703
U800 through U803
U6, U10, U13, U14, U28, U29, U38, and U39
Boot ROM
4
(NPE-200 only)
4. ROM = read-only memory.
256 KB 1 PLCC-type integrated circuit
for the ROM monitor program Socket U92
Unified cache 512 KB 4 Secondary cache for the R4700
and R5000 RISC processors NPE-100 and NPE-150
U2, U10, U14, and U26
NPE-200
U16, U9, U109, and U107