Removing the Cisco 3631 Router Cover | Cisco Systems OL-2056-02

Chapter 5 Installing Memory in the Router

Accessing the Mainboard

Figure 5-1 Removing the Cisco 3620 Router Cover

Screw

SYSTEM

RPS

CON

AUX

ACTIVE	0	1
READY

PCMCIA	0
	1

Figure 5-2 Removing the Cisco 3640 Router Cover

Screw

SYSTEM

RPS

CON

AUX

ACTIVE	0	1	2
READY		1
READY				3

PCMCIA	1
	0

Removing the Cisco 3631 Router Cover

Perform the following procedure to remove the chassis cover:

H7241

H7043

Step 1 Power OFF the router. However, to channel ESD voltages to ground, do not unplug the power cable.

Cisco 3600 Series Hardware Installation Guide

	OL-2056-02	5-3

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Cisco Systems OL-2056-02 Removing the Cisco 3631 Router Cover, Perform the following procedure to remove the chassis cover

Contents

Installing Memory in the Router Removing the Cisco 3620 or Cisco 3640 Router Cover Accessing the Mainboard Removing the Cisco 3631 Router Cover Perform the following procedure to remove the chassis cover Removing the Cisco 3631 Router Cover Lift cover Slide cover Removing 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 16 MB Bank Total Simm Memory Bank 0 Simm Total Memory Not installed 16 MB MB-Dual2 24 MB 32 MB 40 MB 48 MB Dram Simm Dram Simm Orientation Top view Front of chassis Removing Dram Simms Repeat through for each Simm Installing Dram SIMMs Sdram DIMMs Used in the Cisco 3631 and Cisco 3660 Router Bank 0 Simm Bank 1 Simm Total Memory 64 MB Not installed 32 MB 96 MB 128 MB 160 MB 192 MB 256 MB 11 Sdram Dimm Locations in the Cisco 3660 Router 12 Sdram Dimm Sdram Dimm Orientation Removing Sdram Dimms 13 Removing and Installing Sdram DIMMs Replacing Flash Memory SIMMs Installing Sdram DIMMs Bank 12 MB16 MB 20 MB 12 MB 24 MB 32 MB 64 MB 14 Flash Memory Simm Locations on the Cisco 3620 Mainboard 16 Flash Memory Simm Locations on the Cisco 3660 Mainboard Removing Flash Memory SIMMs 17 Removing Flash Memory SIMMs Installing Flash Memory SIMMs Cisco 3620, Cisco 3640, and Cisco Replacing the ROM 19 ROM Location on the Cisco 3620 Mainboard Locate the ROM on the mainboard. See -19through Figure 20 ROM Location on the Cisco 3640 Mainboard 22 Removing the ROM from the Cisco 3660 Mainboard Cisco Testing ROM Installation Verify the ROM version Reboot the router using the new ROM imageSelect the ROM image for next reboot Router # upgrade rom-monitor preference readonly upgrade 24 Replacing the Cisco 3620 Router Cover Replacing the Cover on a Cisco 3620 or Cisco 3640 Router Replacing the Cover on a Cisco 3631 Router 26 Replacing the Cisco 3631 Router Cover Insert tabs and slide cover Close cover 27 Replacing the Cisco 3660 Mainboard Tray Replacing the Cisco 3660 Mainboard Tray Installing 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 Partitioning a Flash Memory Card Enter global configuration modeRouter# configure terminal Routerconfig# partition slot1 1 2 Displaying the Contents of a Flash Memory Card Router# copy running-config slot03myconfig Copying a Running Configuration File to a Flash Memory Card Enter privileged Exec mode as follows Copying a File Between SlotsRouter# copy slot03TESTFILE flash2TESTFILE2 Router# copy slot03TESTFILE slot1 Booting from a Flash Memory Card Erasing the Contents of a Flash Memory Card Tools and Equipment Needed Preventing Electrostatic Discharge Damage Removing the Chassis Cover Compact Flash Memory Card Installation and Removal Removing the Cover from a Cisco Removing the Compact Flash Memory Card Instructions on formatting the Compact Flash memory card Installing the Compact Flash Memory Card Replacing the Cover on a Cisco Reinstalling the Cover Determining the File System on a Compact Flash Memory Card Formatting Procedures for Compact Flash Memory CardsSafety Information document that accompanied this device ROM monitor to recognize and boot the Flash Router# format flash CommandFormatting Compact Flash Memory as a DOS File System Class B Flash file system File Operations File and Directory ProceduresProcedures for Use with DOS File System Router# copy flashmy-config2 running-config Display the Contents of a Compact Flash Card Display Geometry and Format InformationDelete Files from Compact Flash Memory Rename a File in Flash Display the Contents of a File Directory Operations Create a New DirectoryRemove a Directory Enter a Directory and Determine Which Directory You Are Procedures for Use with Class B Flash File System Display the Contents of a Compact Flash Memory Card Router# more flashc3725-i-mz Router# squeeze flash OL-2056-02