Cisco Router 7204 Installation And Configuration Manual page 26

Physical Description
To prevent DRAM errors and to ensure your system initializes correctly at startup, DRAM bank 0
Note
(socket U18 and U25, or U11 and U25) must contain no fewer than two SIMMs of the same type. You
may also install two SIMMs of the same type in bank 1 (socket U4 and U12, or U42 and U52); however,
bank 0 must always contain the two largest SIMMs.
Table 1-3
numbers.
Table 1-3
Total DRAM
32 MB
64 MB
128 MB
1. These products are also available as DRAM upgrades. For example, to upgrade a network processing engine from 32 MB to
64 MB of DRAM, order product number MEM-NPE-32MB=. A 16 MB-option (product number MEM-NPE-16MB=), which
consists of two 8-MB SIMMs, is also available from the factory as a DRAM upgrade.
Use the show version command to identify the network processing engine installed in your Cisco 7204
router. The following example shows an installed NPE-150:
Router> show version
Cisco Internetwork Operating System Software
IOS (tm) 7200 Software (C7200-J-M), Released Version 11.1(17)CA
Copyright (c) 1986-1996 by cisco Systems, Inc.
Compiled Sun 04-Aug-96 06:00 by rmontino
Image text-base: 0x60010890, data-base: 0x605F0000
(display text omitted)
cisco 7204 (NPE 150) processor with 12288K/4096K bytes of memory.
R4700 processor, Implementation 33, Revision 1.0 (Level 2 Cache)
Last reset from power-on
Bridging software.
(display text omitted)
Cisco 7204 Installation and Configuration Guide
1-10
lists the network processing engine factory-installed DRAM configurations and their product
DRAM SIMM Configurations (NPE-100, NPE-150, and NPE-200)
DRAM Bank 0 Quantity
U18 and U25 2 16-MB
or SIMMs
U11 and U25
U18 and U25 2 32-MB
or SIMMS
U11 and U25
U18 and U25 2 32-MB
or SIMMs
U11 and U25
DRAM Bank 1 Quantity
U4 and U12 or –
U42 and U52
U4 and U12 or –
U42 and U52
U4 and U12 or 2 32-MB
U42 and U52 SIMMs
Chapter 1 Product Overview
Product Number
1
MEM-NPE-32MB
1
MEM-NPE-64MB
1
MEM-NPE-128MB
OL-5101-02