Cisco Systems OL-2056-02 manual Removing Dram Simms, Top view Front of chassis

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Chapter 5 Installing Memory in the Router

Replacing DRAM and SDRAM

Removing DRAM SIMMS

Perform this procedure to remove DRAM SIMMs:

Step 1 Attach an ESD-preventive wrist strap and ensure that it makes good contact with your skin. Connect the equipment end of the wrist strap to the metal back plate of the chassis, avoiding contact with the connectors.

Step 2 On the mainboard, locate the DRAM SIMM sockets shown in Figure 5-5or Figure 5-6.

Caution Handle SIMMs by the non-connector edges only. SIMMs are ESD-sensitive components and can be damaged by mishandling.

Step 3 Remove one SIMM at a time, beginning with the SIMM in bank 3. To lift the SIMM out of its socket, pull the locking spring clips on both sides outward and tilt the SIMM toward the right side of the chassis, until it is free of the clips. (See Figure 5-8.)

Figure 5-8 Removing DRAM SIMMs

Top view

Front of chassis

2. Push the top of the SIMM forward and down.

H7038

SIMM

1. Pull the locking spring clips outward.polarization notch

Step 4 Hold the SIMM by the edges with your thumb and index finger and lift it out of the socket. Place the removed SIMM in an antistatic bag to protect it from ESD damage.

Step 5 Repeat Step 3 and Step 4 for each SIMM.

Cisco 3600 Series Hardware Installation Guide

5-12	OL-2056-02

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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 SIMMsBank 12 MB16 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 slot03myconfigEnter privileged Exec mode as follows Copying a File Between SlotsRouter# 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 the Contents of a Compact Flash Card Display Geometry and Format InformationDelete Files from Compact Flash Memory Display the Contents of a File Rename a File in FlashDirectory Operations Create a New DirectoryRemove 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