Datasheet

2-12
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 2-5 NPE-300
1 Midplane connectors 9 RM7000 microprocessor
2 Keying post 10 Temperature sensor (U42)
3 DIMM 3 (U44) 11 Keying post
4 Bank 1 (user configurable) 12 Temperature sensor (U41)
5 DIMM 2 (U45) 13 Boot ROM (U1)
6 Captive installation screw 14 DIMM 0 (U16)
7 Handle 15 Bank 0 (fixed)
8 System controllers 16 U15 (never populated)
Table 2-11 NPE-300 Processor and Memory Specifications
Processor Memory Type Size Quantity Description Component
Location on the
NPE-300 Board
RM7000 — — 1 262-MHz RM7000 RISC U49
Fixed SDRAM 32-MB 1 32– MB DIMM Bank 0
1
: U16
Configurable
SDRAM
32 to 256 MB 1 configurable
bank with
2 SDRAM slots
32-, 64-, 128-, or 256-MB DIMMs
(based on maximum SDRAM
required)
Bank 1: U45 and
U44
Boot ROM 512 KB 1 OTP
2
ROM for the ROM monitor
program
Socket U1
3
66410
N
E
TW
O
R
K P
R
O
C
E
SS
IN
G
E
N
G
IN
E-300
11
2
1
12
13
3
4
5
14
15
16
109876