Cisco PRP-1= Installation And Configuration Manual page 12

Product Overview
Table 1 PRP Memory Components
Type Size
1
SDRAM 512 MB or 1 GB 1 or 2
3
SRAM 2 MB (fixed)
4
NVRAM 2 MB (fixed)
Flash memory 64 MB SIMM
Flash disks
1 GB CF
Flash boot 512 KB
ROM
8
HDD 40 GB
1. Default SDRAM configuration is 512 MB for PRP-1 and 1-GB for PRP-2. 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 for the PRP-1 and 1 GB, 2 GB, 3 GB,
and 4 GB for the PRP-2. 1.5-GB configurations.and non-Cisco DIMM devices are not supported.
2. If both banks of the PRP-1 are populated, bank 1 and bank 2 must contain the same size DIMM.
3. SRAM is not user configurable or field replaceable.
4. NVRAM is not user configurable or field replaceable.
5. Flash memory SIMM is not user configurable or field replaceable.
6. ATA Flash disks are supported in the PRP-2; both ATA Flash disks and linear Flash memory cards are supported in the
PRP-1.
7. Optional PRP-2 hardware. Non-Cisco compact disks are not supported.
8. Optional PRP-2 hardware. Non-Cisco hard disk drives are not supported.
Note
Performance Route Processor Installation and Configuration Guide
12
Quantity
—
1
5
1
6
1 or 2
7
1
1
1
If a single DIMM module is installed, it must be placed in bank 1 (U15).
Description
512-MB and 1-GB DIMMs (based on
desired SDRAM configuration) for main
Cisco IOS software functions
Secondary CPU cache memory functions —
System configuration files, register
settings, and logs
Contains Cisco IOS boot image
(bootflash), crash information, and other
user-defined files
Contains Cisco IOS software images,
system configuration files, and other
user-defined files on up to two Flash
disks
Contains large Cisco IOS images
Flash EPROM for the ROM monitor
program boot image
Contains log and crash information for
specific Cisco IOS versions
Location
U15 (bank
2
1)
U18 (bank 2)
—
P3
Flash disk
slot 0 and
slot 1
—
—
—
OL-11656-01