Datasheet

2-10
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
NPE-400 Memory Information
Use the following figure and tables for information about the NPE-400 memory location, specifications,
and configurations.
Note The NPE-400 uses a single small outline dual in-line memory module (SODIMM).
Figure 2-4 NPE-400
1 Temperature sensor (U31) 7 Midplane connectors
2 Keying post 8 Boot ROM (U7)
3 RM7000 microprocessor 9 Temperature sensor (U6)
4 System controller 10 SODIMM (J1)
5 Captive installation screw 11 Standoff and screw
6 Handle
Table 2-9 NPE-400 Processor and Memory Specifications
Memory Type Size Quantity Description Component Location on the
NPE-400 Board
SDRAM-configurable 128, 256, or
512 MB
1 128-, 256-, or 512-MB SODIMM J1
Boot ROM 512 KB 1 OTP ROM for the ROM monitor program U7
Primary cache 16 KB
(instruction),
16 KB (data)
— RM7000 processor integrated cache U38
N
E
T
W
O
R
K
PR
O
C
E
SSIN
G
EN
G
IN
E
-400
N
E
T
W
O
R
K
PR
O
C
E
SSIN
G
EN
G
IN
E
-400
66411
9
10
11
1
7
8
65
2
3
4