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Cisco Systems OL-2056-02 manual Lift cover Slide cover, Removing the Cisco 3631 Router Cover

Models: OL-2056-02

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Chapter 5 Installing Memory in the Router

Accessing the Mainboard

Warning Before opening the chassis, disconnect the telephone-network cables to avoid contact with telephone-network voltages. To see translations of the various warnings that appear in this publication, refer to the Regulatory Compliance and Safety Information document that accompanied this device.

Step 2 Disconnect all network interface cables from the rear panel.

Step 3 Place the router on a flat surface. Remove the five screws located on top of the cover.

Step 4 Rotate the cover up to a 45-degree angle. (See Figure 5-3.)

Step 5 Slide the cover to the side until the tabs are free from the slots. (See Figure 5-3.)

Figure 5-3 Removing the Cisco 3631 Router Cover

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Cisco 3600 Series Hardware Installation Guide

5-4	OL-2056-02

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Cisco Systems OL-2056-02 manual Lift cover Slide cover, Removing the Cisco 3631 Router Cover

Contents

Installing Memory in the Router Accessing the Mainboard Removing the Cisco 3620 or Cisco 3640 Router CoverPerform the following procedure to remove the chassis cover Removing the Cisco 3631 Router CoverLift cover Slide cover Removing the Cisco 3631 Router CoverRemoving the Cisco 3660 Mainboard Tray Replacing Dram and Sdram Dram SIMMs Used in Cisco 3620 and Cisco 3640 Routers Dram Simm Locations in the Cisco 3620 Router Bank Total Simm Memory 16 MBNot installed 16 MB MB-Dual2 24 MB 32 MB 40 MB 48 MB Bank 0 Simm Total MemoryDram Simm Orientation Dram SimmRemoving Dram Simms Top view Front of chassisInstalling Dram SIMMs Repeat through for each SimmSdram DIMMs Used in the Cisco 3631 and Cisco 3660 Router 64 MB Not installed 32 MB 96 MB 128 MB 160 MB 192 MB 256 MB Bank 0 Simm Bank 1 Simm Total Memory11 Sdram Dimm Locations in the Cisco 3660 Router Sdram Dimm Orientation 12 Sdram Dimm13 Removing and Installing Sdram DIMMs Removing Sdram DimmsInstalling Sdram DIMMs Replacing Flash Memory SIMMs12 MB Bank16 MB 20 MB 12 MB 24 MB 32 MB 64 MB 14 Flash Memory Simm Locations on the Cisco 3620 Mainboard Removing Flash Memory SIMMs 16 Flash Memory Simm Locations on the Cisco 3660 MainboardInstalling Flash Memory SIMMs 17 Removing Flash Memory SIMMsReplacing the ROM Cisco 3620, Cisco 3640, and CiscoLocate the ROM on the mainboard. See -19through Figure 19 ROM Location on the Cisco 3620 Mainboard20 ROM Location on the Cisco 3640 Mainboard 22 Removing the ROM from the Cisco 3660 Mainboard Testing ROM Installation CiscoReboot the router using the new ROM image Select the ROM image for next rebootRouter # upgrade rom-monitor preference readonly upgrade Verify the ROM versionReplacing the Cover on a Cisco 3620 or Cisco 3640 Router 24 Replacing the Cisco 3620 Router CoverReplacing the Cover on a Cisco 3631 Router Insert tabs and slide cover Close cover 26 Replacing the Cisco 3631 Router CoverReplacing the Cisco 3660 Mainboard Tray 27 Replacing the Cisco 3660 Mainboard TrayInstalling a Flash Memory Card 28 Setting the Write-Protect Switch 30 Installing a Flash Memory Card in a Cisco 3660 Router Removing a Flash Memory Card Enter global configuration mode Router# configure terminalRouterconfig# partition slot1 1 2 Partitioning a Flash Memory CardDisplaying the Contents of a Flash Memory Card Copying a Running Configuration File to a Flash Memory Card Router# copy running-config slot03myconfigCopying a File Between Slots Enter privileged Exec mode as followsRouter# copy slot03TESTFILE flash2TESTFILE2 Booting from a Flash Memory Card Router# copy slot03TESTFILE slot1Erasing the Contents of a Flash Memory Card Preventing Electrostatic Discharge Damage Tools and Equipment NeededCompact Flash Memory Card Installation and Removal Removing the Chassis CoverRemoving the Compact Flash Memory Card Removing the Cover from a CiscoInstalling the Compact Flash Memory Card Instructions on formatting the Compact Flash memory cardReinstalling the Cover Replacing the Cover on a CiscoFormatting Procedures for Compact Flash Memory Cards Safety Information document that accompanied this deviceROM monitor to recognize and boot the Flash Determining the File System on a Compact Flash Memory CardCommand Formatting Compact Flash Memory as a DOS File SystemClass B Flash file system Router# format flashFile and Directory Procedures Procedures for Use with DOS File SystemRouter# copy flashmy-config2 running-config File OperationsDisplay Geometry and Format Information Display the Contents of a Compact Flash CardDelete Files from Compact Flash Memory Display the Contents of a File Rename a File in FlashCreate a New Directory Directory OperationsRemove a Directory Procedures for Use with Class B Flash File System Enter a Directory and Determine Which Directory You AreDisplay the Contents of a Compact Flash Memory Card Router# squeeze flash Router# more flashc3725-i-mzOL-2056-02