Cisco Systems manual Configuration register is 0x2102 815#

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Chapter 3 Troubleshooting

Recovering a Lost Password

Step 4 At the user EXEC prompt (Router>), enter the show version command to display the existing configuration register value (shown at the end of this example output):

815# show version

Cisco IOS Software, C815 Software (C815-IPBASE-M), Version 12.4(5.13.5)PIA5 ENGINEERING WEEKLY BUILD, synced to haw_t_pi4_abu HAW_T_PI4_ABU_5_13_1_PIA4

Copyright (c) 1986-2006 by Cisco Systems, Inc. Compiled Wed 22-Mar-06 18:07 by ealyon

ROM: System Bootstrap, Version 12.2(20060221:032620) [yiye-after815rmon 101], DEVELOPMENT SOFTWARE

815B uptime is 6 days, 14 hours, 41 minutes

System returned to ROM by reload at 22:59:26 PST Mon Apr 24 2006 System restarted at 23:01:51 PST Mon Apr 24 2006

System image file is "flash:c815-ipbase-mz.124-5.13.5.PIA5"

Cisco 815 (MPC860P) processor (revision 0x500) with 59569K/5967K bytes of memory.

Processor board ID FOC09250KK8 (1061493493), with hardware revision 0000

MPC860P processor: part number 5, mask 2 1 Ethernet interface

5 FastEthernet interfaces

1 Cable Modem interface

32K bytes of NVRAM.

32768K bytes of processor board System flash (Read/Write)

Configuration register is 0x2102 815#

Step 5 Record the setting of the configuration register.

Step 6 Record the break setting, as given by bit 8 of the configuration register.

•Break enabled—Bit 8 is set to 0.

•Break disabled (default setting)—Bit 8 is set to 1.

		Cisco 815 Integrated Services Router Hardware Installation Guide

	OL-9558-01			3-3
	OL-9558-01			3-3

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Contents Corporate Headquarters Page Cisco Systems, Inc. All rights reserved Page N T E N T S Installation Vii Installing and Removing a Dimm C-4Viii Organization Audience and ScopeRelated Documentation Conventions Xii Xiii Xiv Page Xvi Xvii Xviii CommandsObtaining Documentation AccessibilityCisco.com XixDocumentation Store in the Cisco Marketplace at this URL Product Documentation DVD Ordering DocumentationXxi Documentation FeedbackCisco Product Security Overview Xxii Reporting Security Problems in Cisco ProductsXxiii Obtaining Technical AssistanceCisco Technical Support & Documentation Website Xxiv Submitting a Service RequestDefinitions of Service Request Severity Xxv Obtaining Additional Publications and InformationXxvi Overview Key FeaturesFeature Description Cisco Product Serial Number LocationBack Panel Ports and LEDs Back Panel Ports and LEDsLabel/Color Description WIC0 OK Front Panel LEDsLED Label Color Description Types of Memory Router Memory815# show version Amounts of MemoryUnpacking the Router Items Included with the Cisco 815 Integrated Services RouterBefore Installing the Router InstallationConnecting the Router to Your Local Network Installation Connecting the Router to Your Local Network Connecting the Router to the Local Network Connecting the Power Supply Connecting Power to the RouterVerifying Your Installation Connecting a PC Optional Installation ProceduresConnecting the Console Cable to the Router AUX port RJ-45 DB-9-to-DB-25 adapter Console cable Modem Connecting a ModemStacking the Router Assembling Stacking Clip and Fastener Stacking the Router Back View Unstacking the Router Unstacking the Router OL-9558-01 Contacting Your Cisco Reseller TroubleshootingDetermining the Configuration Register Value Recovering a Lost PasswordConfiguration register is 0x2102 815# Press Return. The following prompt appears Resetting the RouterPrompt changes to the privileged Exec prompt Resetting the Configuration Register Value Resetting the PasswordOK LED Diagnostics Problem SolvingNumber of Blinks Meaning Troubleshooting WICs and CablesExample WIC-4ESW Troubleshooting the Power System Symptom Possible Causes Technical Specifications Operating Specifications Ethernet Cables Cabling Specifications10BASE-T 100BASE-TX Ethernet Network Cabling GuidelinesConsole Cable and Adapter Signal RJ-45 Pin DB-9 Pin DB-25 PinOL-9558-01 Safety Warnings Opening the Chassis Figure C-1 Removing the Chassis Screws Locating Modules Installing and Removing a DimmRelease the latches Remove the Dimm Removing a DimmInsert the Dimm Latches rotate to closed position Installing a DimmScrew Standoff Installing a VPN ModuleFigure C-7 VPN Module Location Figure C-9 Retention Clip Location Figure C-10 Aligning the Retention Clip Center Post Figure C-11 Attaching the Retention Clip to the Motherboard Figure C-12 Securing the Standoff to the Router Motherboard Closing the Chassis Figure C-13 Attaching the Router Cover IN-1 NumericsCIN-2 ETH COL LEDIN-3 Dimm C-4IN-4