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Cisco 12016, Cisco 12416, and Cisco 12816 Router Installation and Configuration Guide
OL-11495-01
Chapter 1 Product Overview
Alarm Card, Line Card, and Rout Processor Overview
PRP Memory Components
This section describes various types of memory used on the PRP to support router
functions.
Table 1-3
provides a quick reference of the different types of memory,
and
Figure 1-21
shows the location on the PRP board.
Table 1-3
PRP Memory Components
Type
Size
Quantity Description
Location
SDRAM
512 MB
1
,
1 GB, or 2 GB
1.
Default shipping configuration.
1 or 2
Uses 512 MB or 1 GB DIMMs (based on
SDRAM configuration) for main Cisco IOS
software functions
U15 (bank 1)
U18 (bank 2)
SRAM
2 MB (fixed)
—
Secondary CPU cache memory functions
—
NVRAM
2 MB (fixed)
—
System configuration files, register settings,
and logs
—
Flash
memory
64 MB SIMM
1
Cisco IOS boot image (bootflash), crash
information, and other user-defined files
P3
Flash disk
(PCMCIA)
64 MB
1
1 or 2
Cisco IOS software images, system
configuration files, and other user-defined
files on one or two Flash memory cards
Flash memory
card slot 0 and
slot 1
Flash boot
ROM
512 KB
1
Flash EPROM for the ROM monitor program
boot image
—
Содержание 12016
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