Prp Memory Components - Cisco XR 12410 Installation Manual

Troubleshooting the Processor Subsystem

PRP Memory Components

Table 4-2 PRP Memory Components
Type Size
SDRAM 512 MB
1 GB, or 2 GB
SRAM 2 MB (fixed)
NVRAM 2 MB (fixed)
Flash 64 MB SIMM 1
memory
1
Flash disk 64 MB
(PCMCIA)
Flash boot 512 KB
ROM
1. Default shipping configuration.
Cisco XR 12410 Router Installation Guide
4-20
This section describes types of memory used on the PRP to support router
functions. Table 4-2 provides a quick reference of the different types of memory,
and Figure 4-6 shows the location on the PRP board.
Quantity Description
1
, 1 or 2 Uses 512 MB or 1 GB DIMMs (based on
SDRAM configuration) for main Cisco IOS
XR software functions
— Secondary CPU cache memory functions
— System configuration files, register settings,
and logs
Cisco IOS XR boot image (bootflash), crash
information, and other user-defined files
1 or 2 Cisco IOS XR software images, system
configuration files, and other user-defined
files on one or two flash memory cards
1 Flash EPROM for the ROM monitor program
boot image
Chapter 4 Troubleshooting the Installation
Location
U15 (bank 1)
U18 (bank 2)
—
—
P3
Flash memory
card slot 0 and
slot 1
—
OL-13832-01