Cisco Systems 12406 series, 12006 series manual PRP Memory Components, Sdram

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Chapter 1 Product Overview

Route Processors

PRP Memory Components

PRP memory options and functions are listed in Table 1-4.

Table 1-4

 

PRP Memory Components

 

 

 

 

 

 

Type

Size

Quantity

Description

Location

 

 

 

 

 

SDRAM1

512 MB,

1 or 2

512-MB and 1-GB DIMMs (based on desired

U15 (bank 1)2

 

1

GB, or 2 GB

 

SDRAM configuration) for main Cisco IOS

U18 (bank 2)

 

 

 

 

software functions

 

 

 

 

 

 

 

SRAM3

2

MB (fixed)

Secondary CPU cache memory functions

NVRAM3

2

MB (fixed)

1

System configuration files, register settings,

 

 

 

 

and logs

 

 

 

 

 

 

Flash

64 MB

1

Cisco IOS boot image (bootflash), crash

P3

memory

SIMM4

 

information, and other user-defined files

 

 

64 MB,

1 or 2

Cisco IOS software images, system

Flash disk

 

128 MB, or

 

configuration files, and other user-defined

slot 0 and

 

1

GB

 

files on up to two Flash disks

slot 1

 

Flash disks5

 

 

 

Flash boot

512 KB

1

Flash EPROM for the ROM monitor program

ROM

 

 

 

boot image

 

 

 

 

 

 

 

1.Default SDRAM configuration is 512 MB. 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. 1.5-GB configurations are not supported.

2.If both banks are populated, bank 1 and bank 2 must contain the same size DIMM.

3.This memory is neither user configurable nor field replaceable.

4.Flash memory SIMM is not user configurable or field replaceable.

5.ATA Flash disks and Type I and Type II linear Flash memory cards are supported. See the “Flash Memory” section on page 1-29for Flash disk information.

Note If a single DIMM module is installed, it must be placed in bank 1 (U15).

 

Cisco 12006 and Cisco 12406 Router Installation and Configuration Guide

1-28

OL-11497-03

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Contents Product Overview IntroductionProduct Description Cisco 12006 and Cisco 12406 router Front View Product Overview Product Description Product Overview Product Description Cisco 12006 and Cisco 12406 router Rear View Chassis Physical and Functional DescriptionRP and Line Card Slots Alarm Card Slots Switch Fabric Card SlotsChassis Backplane Power CoolingMultigigabit Crossbar Switch Fabric Switch Fabric Card TypesNonredundant and Redundant System Configurations Switch Fabric Switching Capacity and Router Type Switch Fabric RedundancyPower-Up/Down Control Maintenance BusDevice Discovery Environmental Monitoring and Alarms DiagnosticsCode Download Route Processors Route Processor FunctionsRoute Processor Types Gigabit Route ProcessorProduct Overview Route Processors GRP Layout GRP Memory Components Type Size Quantity Description LocationSram Reset AUX Coll RX Link MII System Status LEDsSoft Reset Switch GRP Alphanumeric LED Displays Partial FaceplatePcmcia Slots Asynchronous Serial PortsEthernet Port Performance Route Processor Performance Route Processor Front ViewProduct Overview Route Processors PRP Horizontal Orientation PRP Memory Components SdramSdram Flash Disk Size Product Number Soft Reset Switch Flash Disk Slots Ethernet PortsLine Cards 10 Sample Line Cards Alarm Cards AlarmClock and Scheduler Card and Switch Fabric Card Status Alarm Output FunctionAlarm Card Status Power Source Monitoring Power SubsystemsAlarm Relay Contact Connector AC Power Subsystem AC PDU12 AC Power Distribution Unit AC-Input Power Supply 13 AC-Input Power SupplyProduct Overview Power Subsystems DC Power Subsystem LED Label Function State Description14 DC Power Distribution Unit Power a DC-Input Power Entry Module16 DC-Input Power Entry Module LED Label Color Function Power Distribution Blower ModuleTop view Air Filters 18 Air Filter LocationsCable-Management System 19 Chassis Cable-Management System Technical Specifications Field-Replaceable Units