Cisco XR 12816 Руководство по установке - Страница 35

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Chapter 1

Product Overview

PRP-3 Compact Flash

OL-17440-01

Table 1-7

lists supported flash disk sizes and Cisco part numbers.

Table 1-7

Supported Flash Disk Sizes

Flash Disk Size

2 GB

4 GB

1. 4 GB is supported with 2 GB mode prior to Release 3.8.0.

2. Default shipping configuration.

PRP-3 provides more flash memory than PRP-2. PRP-3 uses flash memory to

store Cisco IOS XR software images. PRP-3 includes a default internal flash

memory of 2 GB and also has an external flash memory of 2 GB. A flash memory

upgrade option is also available for a total of 8 GB (2 x 4 GB).

PRP-2 and PRP-3 compactflashes are not compatible with each other and hence

PRP-2 compactflash cannot be used in PRP-3 and vice versa. PRP-3 uses

Multiword DMA to access the compactflash device, a PRP-2 compactflash does

not support this access type.

The PRP-3 external CompactFlash disk replaces the two PCMCIA slots

Note

of PRP-2. The external CompactFlash disk can be installed or removed

from the PRP-3 front panel. The internal CompactFlash disk memory is

denoted as compactflash, while the external CompactFlash disk is

denoted as disk0:.

Table 1-8

PRP-3 CompactFlash Disk Sizes

Flash Disk Size

2 GB

4 GB

Cisco XR 12416 and Cisco XR 12816 Router Chassis Installation Guide

Part Number

MEM-FD2G=

MEM-FD4G=

Part Numbers

FLASH-PRP3-2G(=)

FLASH-PRP3-4G(=)

Route Processor

1-35