Prp Memory Components - Cisco 12406 Installation And Configuration Manual

Route Processors

PRP Memory Components

Table 1-4 PRP Memory Components
Type Size
1
SDRAM 512 MB,
1 GB, or 2 GB
3
SRAM 2 MB (fixed)
3
NVRAM 2 MB (fixed)
Flash 64 MB
4
memory SIMM
64 MB,
128 MB, or
1 GB
Flash disks
Flash boot 512 KB
ROM
1. Default SDRAM configuration is 512 MB. Bank 1 (U15) must be populated first. You can use one or both banks to configure
SDRAM combinations of 512 MB, 1 GB, or 2 GB. 1.5-GB configurations are not supported.
2. If both banks are populated, bank 1 and bank 2 must contain the same size DIMM.
3. This memory is neither user configurable nor field replaceable.
4. Flash memory SIMM is not user configurable or field replaceable.
5. ATA Flash disks and Type I and Type II linear Flash memory cards are supported. See the
page 1-29 for Flash disk information.
Note
Cisco 12006 and Cisco 12406 Router Installation and Configuration Guide
1-28
PRP memory options and functions are listed in
Quantity Description
1 or 2 512-MB and 1-GB DIMMs (based on desired
SDRAM configuration) for main Cisco IOS
software functions
— Secondary CPU cache memory functions
1 System configuration files, register settings,
and logs
1 Cisco IOS boot image (bootflash), crash
information, and other user-defined files
1 or 2 Cisco IOS software images, system
configuration files, and other user-defined
files on up to two Flash disks
5
1 Flash EPROM for the ROM monitor program
boot image
If a single DIMM module is installed, it must be placed in bank 1 (U15).
Chapter 1 Product Overview
Table 1-4.
Location
U15 (bank 1)
U18 (bank 2)
—
—
P3
Flash disk
slot 0 and
slot 1
—
"Flash Memory" section on
OL-11497-03
2