Datasheet

2-21
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
Figure 2-10 NPE-100
1 System controller 6 Midplane connectors
2 R4700 microprocessor 7 Temperature sensor
3 Captive installation screw 8 DRAM SIMMs
4 Handle 9 Bank 1
5 Temperature sensor 10 Bank 0
Table 2-20 NPE-100 Processor and Memory Specifications
Processor Memory Type Size Quantity Description Component Location
on the NPE-100 Board
R4700 1 R4700 150-MHz
RISC
1
1. RISC = reduced instruction set computing
U201
DRAM
2
2. DRAM = dynamic random-access memory
32 to 128 MB 2 to 4 16- or 32-MB SIMMs
(based on maximum
DRAM required)
Bank 0: U18 and U25
Bank 1: U4 and U12
Primary cache — — R4700 internal cache U201
Secondary cache 512 KB 4 R4700 unified,
external cache
U2, U10, U14, and
U26
66433
U12
U4
U25
U18
NE
TW
O
RK P
R
OC
ESS
IN
G ENG
IN
E-100
6
9
8
10
3 5
4
2
1
7