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OL-17436-01

Product Overview

The PRP-3 contains the following components:

• Power PC Processor—Power PC 8641D Dual Processor Central Processing Unit (CPU) e600 cores

running at 1.3 GHz each.

• Memory—Default internal and external compactflash of 2 GB each (2 x 2 GB = total 4 GB) and

provides an option for upgrading the compact flash to 8 GB (2 x 4 GB).

• Hard disk drive—80-GB hard disk drive installed on the PRP-3 board.

• SDRAM—2 GB each for two DDR2 DRAMs (2 x 2 GB) for a total of 4 GB is the default shipping

configuration. Option to upgrade to 8 GB (2 x 4 GB).

• NVRAM—2 MB of nonvolatile RAM (NVRAM). NVRAM is not user configurable or field

replaceable.

• Sensors—Air-temperature sensors for environmental monitoring.

Note For Cisco IOS XR Release 3.7.0 and later releases, SDRAM and Compact Flash memories require 2 GB

capacity.

Differences Between PRP-2 and PRP-3

Table 2 provides details about hardware or software component differences between PRP-2 and PRP-3.

Table 2 Differences Between PRP-2 and PRP-3

Hardware or

Software

Component PRP-2 Specifications PRP-3 Specifications

Processor PowerPC 7457 – single core @ 1.3GHz PowerPC 8641D – Dual core @ 1.3GHz

each

Processor Bus 64 bits @ 133 MHz (external) 64 bits @ 533 MHz (internal)

Memory Up to 4 GB @ 133 Mhz SDR DRAM Up to 8 GB @ 266 MHz DDRII DRAM

System Controller Discovery GT64260 Embedded within the 8641D

Cache L1: 32KB L1: 32KB

L2: 256KB L2: 1MB

L3: 2MB (external) (No external cache needed)

Data Processing Assembler and Chopper FPGAs Hummer FPGA

Fabric Interface OC-48 bandwidth (Fusilli + external

serdeses)

OC-192 Bandwidth (SuperFish +

Fishstick)

NVRAM 2 MB 2 MB

Bootflash 64 MB + 1 GB Compact Flash (Option

to upgrade to 4 GB).

2 GB of Internal and External

CompactFlash (An upgrade option is

available for a total of 8 GB memory (4

GB each.)

Boot ROM 4 MB 8 MB

Ethernet

Interfaces

2x 10/100 FE + 1x 10/100/GE 2x 10/100/1000 Mbps

1 2 3 4 5 6 7 8 9 10 ... 87 88

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