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Cisco Systems 3600 OL-2056-02 User's Manual

1. t o lo ooooooooooQ o o oo o 1 lt lt iT d g o gt g n n 17340 Removing Flash Memory SIMMs Perform this procedure to remove a Flash memory SIMM from a mainboard Stepl 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 Step2 Locate the Flash memory SIMM sockets on the mainboard See Figure 5 14 through Figure 5 16 Caution Handle SIMMs by the non connector edges only SIMMs are ESD sensitive components and can be damaged by mishandling Step3 To lift the Flash memory SIMM out of its socket pull the locking spring clips on both sides outward and tilt the SIMM toward the left side of the chassis free of the clips See Figure 5 17 Cisco 3600 Series Hardware Installation Guide OL 2056 02 Chapter5 Installing Mem
2. 0 12 3 I 3 l 5 11111 s gt vv NN Rn mer mm ES m E E E 5 E H7081 DRAM SIMMs Cisco 3600 Series Hardware Installation Guide Em OL 2056 02 Chapter5 Installing Memory in the Router Table 5 1 32 Bit DRAM Configuration for Cisco 3620 Routers Bank 0 Bank 1 Bank 2 Bank 3 Total SIM 0 SIMM 1 SIMM 2 SIMM 3 Memory 4 4MB 4 MB 4 MB 16 MB 4MB 4 8 MB Not installed 16 MB 8 MB 8 MB Not installed Not installed 16 MB 16 MB Not installed Not installed Not installed 16 MB 4 MB 16 MB Not installed Not installed 20 MB 4MB 4MB 4 MB 4 MB 16 MB 8 MB 8 MB 4 MB Not installed 20 MB 16 MB 4 MB Not installed Not installed 20 MB 8 MB 16 MB Not installed Not installed 24 MB 8 MB 8 MB 8 MB Not installed 24 MB 8 MB 8 MB 4 MB 4 24 MB 16 MB 8 MB Not installed Not installed 24 MB 8 MB 8 MB 4 MB 8 MB 28 MB 8 MB 8 MB 8
3. ao MZ v A E 5 m Tole o 4 0000 Hg ME m TI a ral Cm o OSOR 1 3 3 P 9 0 5522022592 o 9 pi e mds MC Table 5 4 SDRAM Configurations for Cisco 3631 Routers BankO SIMM 0 Bank1 SIMM 1 Total Memory 64 MB Not installed 64 MB 32 MB 32 MB 64 MB 32 MB 64 MB 96 MB 64 MB 32 MB 96 MB 128 MB Not installed 128 MB 64 MB 64 MB 128 MB Not installed 128 MB 128 MB 32 MB 128 MB 160 MB 12
4. 1 0 MTT rx 2 M UR 7318 Flash memory SIMMs Figure 5 15 Flash Memory SIMM Locations on the Cisco 3640 Mainboard 1 0 L a i MER T lt A 3 m mpm LA L WN TN UN al Flash memory SIMMs H7082 Cisco 3600 Series Hardware Installation Guide 01 2056 02 Chapter5 Installing Memory in the Router BI Replacing Flash Memory SIMMs Figure 5 16 Flash Memory SIMM Locations on the Cisco 3660 Mainboard Flash memory SIMMs
5. Step 2 Step 3 gt Before opening the chassis disconnectthe telephone netw ork cables to avoid contact with telephone netw ork voltages To see translations of the warnings that appear in this publication refer to the Regulatory Compliance and Safety Information document that accompanied this device Remove all network interface cables from the mainboard tray s rear panel Place the router so that the rear panel is facing you There are two sets of screws on the mainboard rear panel one set of captive screws and one set of Torx screws See Figure 5 4 Caution Do not remove or loosen the Torx screws Step4 Loosen the two captive screws located in the upper corners See part 1 Figure 5 4 Stepb Swing the two tray levers out and slide the mainboard tray out of the chassis See parts 2 and 3 Figure 5 4 Cisco 3600 Series Hardware Installation Guide 01 2056 02 EN Chapter5 Installing Memory in the Router B Replacing DRAM and SDRAM Figure 5 4 Removing the Cisco 3660 Mainboard Tray C 2 gt is Sos osdsce 24544 2 2 oc oo 8 17335 Caution The mainboard is an ES
6. DIMMs have polarization notches to ensure proper orientation and alignment holes to ensure proper positioning Figure 5 12 shows the polarization notches and alignment holes on DIMM Caution avoid damaging ESD sensitive components observe all ESD precautions To avoid damaging the underlying mainboard do not use excessive force when you remove or replace DIMMs Figure 5 12 SDRAM DIMM J 2 17338 1 1 1 1 1 1111111111 ji il Connector edge Polarization notches Alignment holes Cisco 3600 Series Hardware Installation Guide 01 2056 02 ES Chapter5 Installing Memory in the Router B Replacing DRAM and SDRAM Removing SDRAM DIMMS Perform this procedure to remove SDRAM DIMMs Step1 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 SDRAM DIMM sockets shown in Figure 5 11 Caution Handle DIMMs by the edges only DIMMs are ESD sensitive components and can be damaged by mishandling Step3 Remove the DIMM by pushing the locking spring clips on both sides outward This ejects the DIMM from its socket See Figure 5 13 Figure 5 13 Removing and Installing SDRAM DIMMs 17943 Locking spring clips Step4 Hold the DIMM by t
7. Directory of flash No files in directory 128094208 bytes total 128094208 bytes free Cisco 3600 Series Hardware Installation Guide EN OL 2056 02 Chapter5 Installing Memory in the Router Installing and Formatting Compact Flash Memory Cards in Cisco 3631 Routers Rename a File in Flash To rename a file in a Compact Flash memory card use the rename flash original filename flash new filename command The following example shows output for renaming a Cisco IOS file in an internal Compact Flash memory card Router dir flash Directory of flash 35 w 6458388 Mar 01 1993 00 00 58 c 3725 i mz tmp 1580 rw 6462268 Mar 06 1993 06 14 02 c3725 i mz 3600ata 63930368 bytes total 51007488 bytes free Routers rename flash c3725 i mz tmp flash c3725 i mz Destination filename c3725 i mz Router dir flash Directory of flash 1580 rw 6462268 Mar 06 1993 06 14 02 c3725 i mz 3600ata 3 rw 6458388 Mar 01 1993 00 01 24 c3725 i mz 63930368 bytes total 51007488 bytes free Display the Contents of a File To display the content of a file in a Compact Flash memory card use the more flash filename command The following example shows output from the more command on a Compact Flash memory card Routers more flash c3725 i mz tmp 00000000 71454046 01020100 00000000 00000000 SERE eee 00000010 00020061 00000001 80008000 00000034 BABA debate 00000020 00000054 20000001 00340020 00010028 weel eee RON 0000003
8. Installing Memory in the Router Installing and Formatting Compact Flash Memory Cards in Cisco 3631Routers Compact Flash M emory Card Installation and Removal Perform the procedure below for installing or removing a Compact Flash memory card mounted internally on the router CPU mainboard To access the internal Compact Flash memory card you need to remove the chassis cover Removing the Chassis Cover This section describes how to remove the chassis cover to access the Compact Flash memory card You need a number 2 Phillips or flat blade screwdriver to perform this procedure Observe the following precaution if your router uses AC or DC power Warning gt Warning Step 1 A Do not touch the power supply when the power cord is connected For systems with a power switch line voltages are present within the power supply even when the power switch is OFF and the power cord is connected For systems without a power switch line voltages are present within the power supply when the power cord is connected 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 Observe the following precaution if your router uses DC power Before performing any of the following procedures ensure that power is removed from the DC circuit To ensure that all power is OFF locate the circuit breaker on the p
9. T ROM Cisco 3600 Series Hardware Installation Guide 01 2056 02 5254 Chapter5 Installing Memory in the Router BI Replacing the ROM Figure 5 20 ROM Location on the Cisco 3640 Mainboard LI JI TET RIT LU n A lt ROM Li t Figure 5 21 ROM Location on the Cisco 3660 Mainboard ROM i E o F TL TeSt x 1 1 1 1 1 Step4 If you
10. 4MB 8 MB 44 MB 16 MB 16 MB 16 MB 4 MB 52 MB 16 MB 16 MB 4 MB 16 MB 52 MB 16 MB 16 MB 16 MB 8 MB 56 MB 16 MB 16 MB 8 MB 16 MB 56 MB Table 5 3 64 Bit DRAM Configuration for Cisco 3640 Routers Bank 0 Bank 1 Bank 2 Bank 3 Total SIM M 0 SIMM 1 SIMM 2 SIMM 3 Memory 4MB 4 4 4MB 16 MB 8 MB 8MB Not installed Not installed 16 MB 8 MB DuaP 8 MB Dual Not installed Not installed 16 MB 8 MB 8MB 4 4MB 24 MB 8 MB Dual 8 MB Dual 4 4MB 24 MB 8 MB 8MB 8 MB 8 MB 32 MB 8 MB 8MB 8 MB Dual 8MB Dual 32 MB 8 MB Dual 8 MB Dua 8 MB 8 MB 32 MB 8 MB Dual 8 MB Dual 8MB Dual 8 MB Dual 32 MB 16 MB 16 MB 32 16 16 4 4 40 16 16 8 8 48 Cisco 3600 Series Hardware Installation Guide OL 2056 02 Chapter5 Installing Memory in the Router Table 5 3 64 Bit DRAM Configuration for Cisco 3640 Routers continued Bank 0 Bank 1 Bank 2 Bank 3 Total SIMM 0 SIMM 1 SIMM 2 SIMM 3 Memory 16 MB 16 MB 8 MB Dual 8MB Dual 48 MB 16 MB 16 MB 16 MB 16 MB 64 MB 32 MB Dual 32 MB Dual Not installed Not installed 64 MB 32 MB Dual 32 MB Dual 4 MB 4MB 72 MB 32 MB Dual 32 MB Dual 8 MB 8 MB 80 MB 32 MB Dual 32 MB Dual 8 MB Dual 8 MB Dual 80 MB 32 MB Dual 32 MB Dual 16 MB 16 MB 96 MB 32 MB Dual 32 MB Dual 32 MB Dual 32 MB Dual 128 MB 1 8 MB single bank SIMM 8 MB in size 2 8 MB Dual dual
11. Cisco 3600 Series Hardware Installation Guide Chapter5 Installing Memory in the Router installing and Formatting Compact Flash Memory Cards in Cisco 3631 Routers Cisco 3600 Series Hardware Installation Guide EEG OL 2056 02
12. Class C Flash file system The following example shows output for an internal Compact Flash memory card formatted with a Class C Flash file system Routers show flash ATA Flash Card Geometry Format Info x ATA CARD GEOMETRY Number of Heads 2 Number of Cylinders 490 Sectors per Cylinder 32 Sector Size 512 Total Sectors 31360 ATA CARD FORMAT Number of FAT Sectors 12 Sectors Per Cluster 8 Number of Clusters 3885 Number of Data Sectors 31264 Base Root Sector 152 OL 2056 02 Cisco 3600 Series Hardware Installation Guide Chapter5 Installing Memory in the Router Installing and Formatting Compact Flash Memory Cards in Cisco 3631 Routers Base FAT Sector 128 Base Data Sector 184 Please use dir command to display the contents of the card The following example shows output for an internal Compact Flash memory card formatted with a Class B Flash file system Router show flash System CompactFlash directory File Length Name status 1 5190020 c3631 i mz 2 6458584 c3725 i mz 3 16535740 c3631 telcoent mz 28184536 bytes used 100266024 available 128450560 total 125440K bytes of ATA System CompactFlash Read Write Formatting Compact Flash M emory as a DOS File System To format a Compact Flash memory card with a Class C Flash file system use the format command To format a new internal Compact Flash memory card or to remove the files from a previously installed internal Compac
13. ROM and socket 14063 OL 2056 02 Cisco 3600 Series Hardware Installation Guide gs Chapter5 Installing Memory in the Router BI Replacing the ROM A Caution The notch on the ROM must match the notch on the mainboard socket Installing the ROM backward will damage the ROM the router or both When you finish replacing the ROM and have installed all internal components proceed to Replacing the Cover on a Cisco 3620 or Cisco 3640 Router page 5 30 Replacing the Cisco 3660 Mainboard Tray page 5 33 Testing ROM Installation Cisco 3631 Step 1 Test your installation by rebooting the router If you installed the ROM correctly the router will boot into the ROM monitor or the Cisco IOS software If you suspect that the ROM is inserted incorrectly remove and reinstall the ROM as described in the Replacing the ROM section on page 5 24 Reboot the router again If you are still having problems after following the steps in this procedure refer to Appendix A Troubleshooting The boot flash device on the Cisco 3631 router is a 1 MB fixed flash device that is not field replaceable The ROM image can be upgraded by downloading new software The first image in ROM is read only and cannot be erased and the upgrade image is a read write image that is stored in ROM flash as the second image You can configure the router to boot from either image In order to upgrade the ROM on the Cisco 3631 you wi
14. bank SIMM 8 MB in size 3 32 MB Dual dual bank SIMM 32 MB in size DRAM SIMM Orientation gt Caution Replacing DRAM and SDRAM W SIMMs have a polarization notch to ensure proper orientation and alignment holes to ensure proper positioning Figure 5 7 shows the polarization notch and alignment holes on SIMM DRAM SIMMs are installed with the connector edge down and the polarization notch near the front of the chassis To avoid damaging ESD sensitive components observe all ESD precautions To avoid damaging the underlying mainboard do not use excessive force when you remove or replace SIMMs Figure 5 7 DRAM SIMM Alignment holes A Connector edge Lio H2407 Polarization notch OL 2056 02 Cisco 3600 Series Hardware Installation Guide Chapter5 Installing Memory in the Router B Replacing DRAM and SDRAM Removing DRAM SIMMS Perform this procedure to remove DRAM SIMMs Step1 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 Step2 the mainboard locate the DRAM SIMM sockets shown in Figure 5 5 or
15. command shows all files including any deleted files if the squeeze command has not been entered Cisco 3600 Series Hardware Installation Guide EEG OL 2056 02 Chapter 5 Installing Memory in the Router Installing and Formatting Compact Flash Memory Cards in Cisco 3631 Routers The following example shows output for deleting a Cisco IOS file from a Compact Flash memory card and then releasing the memory space originally occupied by the file Routers dir flash Directory of flash 1 rw 6458208 no date c3725 i mz tmp 2 rw 6458208 no date c3725 i mz 16056320 bytes total 3139776 bytes free Routers delete flash c3725 i mz tmp Delete filename c3725 i mz tmp Delete flash c3725 i mz tmp confirm Routers dir flash Directory of flash 2 rw 6458208 no date c3725 i mz 16056320 bytes total 3139776 bytes free Router show flash flash CompactFlash directory File Length Name status I 6458208 c3725 i mz tmp deleted 2 6458208 c 3725 i mz 12916544 bytes used 3139776 available 16056320 total 15680K bytes of ATA flash CompactFlash Read Write Router squeeze flash Squeeze operation may take a while Continue confirm squeeze in progress 555555555555555555555555 Rebuild file system directory Squeeze of flash complete Display the Contents of a File To display the con
16. cover 2 Slide cover Removing the Compact Flash M emory Card After removing the chassis cover as described in the Removing the Cisco 3631 Router Cover section on page 5 3 perform the following steps to remove the Compact Flash memory card from the router Step1 Locate the Compact Flash memory card the CPU mainboard See Figure 34 Cisco 3600 Series Hardware Installation Guide ELA OL 2056 02 Chapter5 Installing Memory in the Router Step 2 Step 3 Step4 Installing and Formatting Compact Flash Memory Cards in Cisco 3631Routers Figure 34 Compact Flash Memory Card Location in a Cisco 3631 Compact Flash memory card Remove the retention screw that retains the Compact Flash memory card by using the Phillips screwdriver save the retention screw for reinstallation Carefully pull the Compact Flash memory card free from the connector Place the removed Compact Flash memory card on an antistatic surface or in a static shielding bag Installing the Compact Flash M emory Card Step 1 Step 2 Step 3 Step 4 Step 5 You can install a Compact Flash memory card with 32 64 or 128 MB of memory Perform the following steps to install the Compact Flash memory card Locate the Compact Flash memory card connector on the CPU mainboard See Figure 34 Insert the connector end of the Compact Flash memory card into the connector until the card is seated in the connector The card is keyed so that
17. formatted into Low End File System flash card Continue confirm Erasing device Cisco 3600 Series Hardware Installation Guide EEG OL 2056 02 Chapter5 Installing Memory in the Router Installing and Formatting Compact Flash Memory Cards in Cisco 3631 Routers erased Erase of flash complete File and Directory Procedures The following sections describe file and directory procedures for internal Compact Flash memory cards File and directory procedures vary accor
18. it cannot be inserted wrong Reinstall the retention screw to retain the Compact Flash memory card gt Install the chassis cover as described in the Replacing the Cover on a Cisco 3620 or Cisco 3640 Router section on page 5 30 Refer to the Formatting Procedures for Compact Flash Memory Cards section on page 5 49 for instructions on formatting the Compact Flash memory card OL 2056 02 Cisco 3600 Series Hardware Installation Guide gs Chapter5 Installing Memory in the Router installing and Formatting Compact Flash Memory Cards in Cisco 3631 Routers Reinstalling the Cover AN Caution Before reinstalling the cover on the router make sure that all cables are securely tucked in and are not in danger of being pinched or cut This section describes how to reinstall the router cover You need a number 2 Phillips screwdriver or flat blade screwdriver to perform this procedure Step1 Place the chassis on a flat surface Step2 Hold the cover at a 45 degree angle and insert the tabs into the slots along the front bezel edge of the chassis See Figure 35 Step3 Center the cover over the chassis and lower it onto the chassis Figure 35 Replacing the Cover on a Cisco 3631 Cisco 3600 Series Hardware Installation Guide ELE OL 2056 02 Chapter5 Installing Memory in the Router Installing and Formatting Compact Flash Memory Cards in Cisco 3631 Routers Step4 Reinstal
19. 0 00050008 00000001 0000011C 80008000 Sharh cokes 00000040 80008000 00628A44 00650EEC 00000007 see 10 10 sel 00000050 0000011C 0000001B 00000001 00000006 ove dec vui 00000060 80008000 0000011C 00004000 00000000 00000070 00000000 00000008 00000000 00000021 usus Saute ete ROTES 00000080 00000001 00000002 8000C000 0000411C cereos dot die 00000090 00000700 00000000 00000000 00000004 See exero 000000A0 00000000 00000029 00000001 00000003 Digs er 000000B0 8000C700 0000481C 00000380 00000000 SIGS Nou M NC 000000C0 00000000 00000004 00000000 0000002F webs Sep 000000D0 00000001 10000003 8000CA80 00004B9C evel feces 000000E0 00000020 00000000 00000000 00000008 M m 000000F0 00000000 0000002F 00000001 10000003 Rate coran des 00000100 8000CAAO0 00004BBC 00623FA4 00000000 vedo ie RE OPS a 00000110 00000000 00000008 00000000 3C1C8001 TASE lt 00000120 679C4A80 3 018001 AC3DC70C 301800 1 Giga x G lt 00000130 AC3FC710 3C018001 AC24C714 3C018001 piGs X 00000140 AC25C718 3C018001 AC26C71C 3 018001 PEG x 5 00000150 AC27C720 3C018001 AC30C724 3C018001 G X 0GS lt 00000160 AC31C728 3C018001 AC32C72C 3C018001 1G lt PAG X More q Cisco 3600 Series Hardware Installation Guide 01 2056 02 EZ Chapter5 Installing Memory in the Router WE installing and Formatting Compact Flash Memory Cards in Cisco
20. 0 and Cisco 3660 Routers Step 5 Step 6 Step 7 Step 8 Tighten the two captive screws previously loosened in Step 3 of the Removing the Cisco 3660 Mainboard Tray section on page 5 5 See part 4 in Figure 5 27 Reinstall the chassis on a rack or desktop Reconnect network interface cables Power ON the router If the router does not power on see Appendix A Troubleshooting Installing and Configuring Flash M emory Cards in Cisco 3620 Cisco 3640 and Cisco 3660 Routers This section describes how to install Flash memory cards in the Cisco 3620 Cisco 3640 and Cisco 3660 routers and includes selected configuration examples for common procedures For further configuration information refer to the Cisco IOS configuration guides and command references AN This section includes the following subsections Installing a Flash Memory Card page 5 34 Removing a Flash Memory Card page 5 37 Partitioning a Flash Memory Card page 5 38 Displaying the Contents of a Flash Memory Card page 5 39 Copying a File from System Flash Memory to a Flash Memory Card page 5 39 Copying a Running Configuration File to a Flash Memory Card page 5 40 Copying a File from a Flash Memory Card to System Flash Memory page 5 41 Copying a File Between Slots page 5 41 Booting from a Flash Memory Card page 5 42 Erasing the Contents of a Flash Memory Card page 5 43 Caution Before starting any procedures in this section follow the ESD guid
21. 1 1993 23 48 36 128094208 bytes total Routers cd config Router flash config Routers Routers pwd flash 121630720 bytes free c3725 i mz tmp config Procedures for Use with Class B Flash File System File Operations The following file and directory procedures are useful for Compact Flash memory cards formatted with a Class B Flash file system Copy Files To copy the files to another location use the copy flash source filename flash tfp lex null nvram pram rcp system tftp xmodem ymodem running config startup config destination filename command The following example shows output for copying a configuration file to the startup configuration in an internal Compact Flash memory card 1asn Routers copy flash my configl startup config Destination filename startup config OK 517 bytes copied in 4 188 secs 129 bytes sec OL 2056 02 Cisco 3600 Series Hardware Installation Guide Chapter5 Installing Memory in the Router Installing and Formatting Compact Flash Memory Cards in Cisco 3631 Routers 210 The following example shows output for copying configuration file to the running configuration in internal Compact Flash memory card 1asn Routers copy flash my config2 running config Destination filename running config 709 bytes copied in 0 72 secs Display the Contents of a Compact Flash M emory Card To display the co
22. 3631 Routers Directory Operations Create a New Directory To create a directory in Compact Flash memory use the mkdir flash directory name command The following example shows output for first displaying the contents of an internal Compact Flash memory card and then creating a directory named config and a subdirectory named test config Routers dir flash Directory of flash d ow 6458208 Mar 01 1993 00 04 08 c 3725 i mz tmp 128094208 bytes total 121634816 bytes free Router mkdir flash config Create directory filename config Created dir flash config Router mkdir flash config test config Create directory filename config test config Created dir flash config test config Router dir flash Directory of flash 3 cr 6458208 Mar 01 1993 00 04 08 c 3725 i mz tmp 1580 drw 0 Mar 01 1993 23 48 36 config 128094208 bytes total 121626624 bytes free Routers cd flash config Routers dir flash Directory of flash config 1581 drw 0 Mar 01 1993 23 50 08 test config 128094208 bytes total 121626624 bytes free Remove a Directory To remove a directory from Compact Flash memory use the rmdir flash directory name command Before you can remove a directory remove all files and subdirectories from the directory The following example shows output for displaying the contents of an internal Compact Flash memory card then removing the subdirectory named test config Routers dir flash Directory of fla
23. 5 Formatting Procedures for Compact Flash Memory Cards page 5 49 File and Directory Procedures page 5 51 Preventing Electrostatic Discharge Damage Compact Flash memory cards are sensitive to electrostatic discharge ESD damage ESD damage which can occur when electronic cards or components are handled improperly results in complete or intermittent failures Follow these guidelines to prevent ESD damage A Always use an ESD wrist or ankle strap and ensure that it makes good skin contact Connect the equipment end of the strap to an unfinished chassis surface Place a removed Compact Flash memory card on an antistatic surface or in a static shielding bag If the card will be returned to the factory immediately place it in a static shielding bag Avoid contact between the card and clothing The wrist strap protects the card from ESD voltages on the body only ESD voltages on clothing can still cause damage Do not remove the wrist strap until the installation is complete Caution For safety periodically check the resistance value of the antistatic strap The measurement should be between 1 and 10 megohms Mohms Tools and Equipment Needed You need the following tools and equipment to remove and install Compact Flash memory cards ESD preventive wrist strap Antistatic bag or mat Number 2 Phillips screwdriver or flat blade screwdriver Cisco 3600 Series Hardware Installation Guide ELS OL 2056 02 Chapter5
24. 660 Routers Step3 Press Return or type y to erase the current contents of the partition or enter n to save the contents Then confirm your selection Copy TESTFILE from flash device as TESTFILE into slot0 device WITHOUT erase yes no y OK 68 4194304 bytes Flash device copy took 00 00 05 hh mm ss Verifying checksum OK 0x4ACD Copying a Running Configuration File to a Flash Memory Card You can also use a Flash memory card to store a backup copy of a configuration file Follow these steps to copy a configuration file to a Flash memory card Step1 Enter privileged EXEC mode Router gt enable Password lt password gt Step2 Enter the copy running config slot0 slot1 partition filename command Replace partition with the partition number and filename with the name of the file for example Router copy running config slot0 3 myconfig PCMCIA Slot0 flash directory partition 3 File Length Name status 1 68 TESTFILE 132 bytes used 4194172 available 4194304 total Building configuration Erase flash device before writing confirm n S Note If you omit the partition and filename variables you are prompted for them Step3 Press Return or enter y to erase the current contents of the partition or enter n to save the contents Then confirm your selection Copy running config as myconfig into flash device WITHOUT erase yes no y OK 922 4194172 bytes Verifyin
25. 8 MB 32 MB 160 MB 64 MB 128 MB 192 MB 128 MB 64 MB 192 MB 128 MB 128 MB 256 MB Cisco 3600 Series Hardware Installation Guide Chapter 5 Installing Memory in the Router B Replacing DRAM and SDRAM Figure 5 11 SDRAM DIMM Locations in the Cisco 3660 Router SDRAM DIMMs m eee ee Y Y mm f E GE e T fu E E A A 0 1 Table 2 2 SDRAM Configurations for Cisco 3660 Routers Bank 0 SIMM 0 Bank 1 SIMM 1 Total Memory 16 MB 16 MB 32 MB 32 MB Not installed 32 MB 32 MB 16 MB 48 MB 32 MB 32 MB 64 MB 64 MB Not installed 64 MB 64 MB 16 MB 80 MB 64 MB 32 MB 96 MB 64 MB 64 MB 128 MB 128 MB Not installed 128 MB 128 MB 16 MB 144 MB 128 MB 32 MB 160 MB 128 MB 64 MB 192 MB 128 MB 128 MB 256 MB 17337 H Cisco 3600 Series Hardware Installation Guide OL 2056 02 Chapter5 Installing Memory in the Router Replacing DRAM and SDRAM W SDRAM DIMM Orientation
26. Connect the equipment end of the wrist strap to the metal backplane of the chassis avoiding contact with the connectors Access the mainboard by following the procedures in one of the following sections Removing the Cisco 3620 or Cisco 3640 Router Cover page 5 2 Removing the Cisco 3660 Mainboard Tray page 5 5 Caution Correct placement of the ROM is crucial If improperly positioned the new component could be damaged when the router is powered on Read all instructions before proceeding To prevent damage to the ROM from ESD when handling the router and its components follow the ESD procedures described in the Preventing Electrostatic Discharge Damage section on page 2 2 Be careful not to damage or scratch the printed circuit card under the ROM Step3 Locate the ROM on the mainboard See Figure 5 19 through Figure 5 21 Figure 5 19 ROM Location on the Cisco 3620 Mainboard 3 4 1 U B m mr m I T WNN ULN z
27. D sensitive component To avoid damage observe all ESD precautions When you are ready to replace the mainboard tray see the Replacing the Cisco 3660 Mainboard Tray section on page 5 33 Replacing DRAM and SDRAM Cisco 3600 series routers use two types of dynamic random access memory DRAM DRAM SIMMs Used in Cisco 3620 and Cisco 3640 Routers page 5 7 SDRAM DIMMs Used in the Cisco 3631 and Cisco 3660 Router page 5 14 Sy Note SIMMs and DIMMs cannot be interchanged between the router models Cisco 3600 Series Hardware Installation Guide Em OL 2056 02 Chapter5 Installing Memory in the Router Replacing DRAM and SDRAM W DRAM SIM Ms Used in Cisco 3620 and Cisco 3640 Routers This section describes how to upgrade DRAM single in line memory modules SIMMs in Cisco 3620 and Cisco 3640 routers You might need to upgrade the DRAM SIMMs for the following reasons You upgraded the Cisco IOS feature set or release and it requires additional DRAM The router maintains large routing tables or other memory intensive features such as spoofing or protocol translations The Cisco 3620 and Cisco 3640 routers each contain four 72 pin SIMM sockets or banks for DRAM Each socket can be filled with a single 32 bit wide 72 pin DRAM SIMM You can configure DRAM as a mixture of primary or main memory which is reserved for the CPU and shared memory which is used for data transmitted or received by modu
28. 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 gt 2 Push the top of the SIMM forward and down u 1 1 1 1 1 1 1 1 L L L AL L L L a p 8111111111 IE gt SIMM 1 Pull the locking spring clips outward polarization notch Step4 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 Step5 Repeat Step 3 and Step 4 for each SIMM Cisco 3600 Series Hardware Installation Guide OL 2056 02 Chapter5 Installing Memory in the Router Replacing DRAM and SDRAM W Installing DRAM SIMMs Perform this procedure to install DRAM SIMMs Stepl Attach an ESD preventive wrist strap and ensure that it makes good contact wit
29. MB 4 MB 28 MB 8 MB 8 MB 16 MB Not installed 32 MB 8 MB 8 MB 8 MB 8 MB 32 MB 16 MB 16 MB Not installed Not installed 32 MB 16 MB 16 MB 4MB Not installed 36 MB 16 MB 16 MB 4MB 4 MB 40 MB 16 MB 16 MB 8MB Not installed 40 MB 16 MB 16 MB 4MB 8 MB 44 MB 16 MB 16 MB 8MB 4 MB 44 MB 16 MB 16 MB 8MB 8 MB 48 MB 16 MB 16 MB 16 MB Not installed 48 MB 16 MB 16 MB 16 MB 4 MB 52MB 16 MB 16 MB 16 MB 8 MB 56 MB 16 MB 16 MB 16 MB 16 MB 64 MB Replacing DRAM and SDRAM W OL 2056 02 Cisco 3600 Series Hardware Installation Guide Chapter 5 Installing Memory in the Router B Replacing DRAM and SDRAM Table 5 2 32 Bit DRAM Configuration for Cisco 3640 Routers BankO SIMM Bank1 Bank 2 Bank 3 Total 0 SIMM 1 SIMM 2 SIMM 3 Memory 4MB 4MB 8 MB Not installed 16 MB 16 MB Not installed Not installed Not installed 16 MB 4 MB 16 MB Not installed Not installed 20 MB 8 MB 8 MB 4MB Not installed 20 MB 16 MB 4 MB Not installed Not installed 20 MB 8 MB 16 MB Not installed Not installed 24 MB 8 MB 8 MB 8 MB Not installed 24 MB 16 MB 8 MB Not installed Not installed 24 MB 8 MB 8 MB 4 MB 8 MB 28 MB 8 MB 8 MB 8 MB 4 MB 28 MB 8 MB 8 MB 16 MB Not installed 32 MB 16 MB 16 MB 4MB Not installed 36 MB 16 MB 16 MB 8 MB Not installed 40 MB 16 MB 16 MB 8 MB 4MB 44 MB 16 MB 16 MB
30. P Warning gt CHAPTER Installing Memory in the Router This chapter describes procedures for adding and replacing memory in Cisco 3600 series routers and contains the following sections Accessing the Mainboard page 5 2 Replacing DRAM and SDRAM page 5 6 Replacing Flash Memory SIMMs page 5 19 Replacing the ROM page 5 24 Closing the Router page 5 29 Installing and Configuring Flash Memory Cards in Cisco 3620 Cisco 3640 and Cisco 3660 Routers page 5 34 Installing and Formatting Compact Flash Memory Cards in Cisco 3631 Routers page 5 44 Only trained and qualified personnel should be allow ed to install or replace this equipment To see translations of the warnings that appear in this publication refer to the Regulatory Compliance and Safety Information document that accompanied this device Caution Before performing any procedures described in this chapter review these sections Safety Recommendations section on page 2 1 General Site Requirements section on page 2 3 Installation Checklist section on page 2 5 Required Tools and Equipment for Installation and Maintenance section on page 2 7 S Note When a procedure refers to the left side or right side of the chassis it means as viewed from the front Cisco 3600 Series Hardware Installation Guide 01 2056 02 HN Chapter5 Installing Memory in the Router W Accessing the Mainboard Accessing the M
31. Removing a Flash M emory Card A Caution Do not remove the Flash memory card while it is performing a read or write operation because the router will shut down Perform this procedure to remove a Flash memory card Step1 Cisco 3620 and Cisco 3640 routers grasp the card near the slot and pull it straight out See Figure 5 31 On Cisco 3660 routers use the ejector button next to the Flash memory card to be removed First rotate the ejector button outward then press the ejector button to eject the card See Figure 5 32 Step2 Place the removed Flash memory card on an antistatic surface or in a static shielding bag Figure 5 31 Removing a Flash Memory Card from a Cisco 3620 or Cisco 3640 Router Cisco 3 600 SERIES 118627 Flash memory card Cisco 3600 Series Hardware Installation Guide 01 2056 02 EZB Chapter5 Installing Memory in the Router BE installing and Configuring Flash Memory Cards in Cisco 3620 Cisco 3640 and Cisco 3660 Routers Figure 5 32 Removing a Flash Memory Card from a Cisco 3660 Router PCMCIA slots Slot buttons Partitioning a Flash Memory Card Flash memory cards ordered from Cisco Systems ship blank without software installed Before copying files to a Flash m
32. SIMM down and back 3 The socket guide posts fit through the holes in the SIMM lt 4 The locking springs clip the back of the SIMM lL H7084 Caution It is normal to feel some resistance but do not use excessive force on the SIMM and do not touch the surface components to avoid damaging them Step4 the alignment of each SIMM to make sure that it is straight and that the alignment holes are lined up with the plastic socket guides Step5 When you finish replacing Flash memory SIMMs and have installed all internal components proceed to either of these sections Replacing the Cover on a Cisco 3620 or Cisco 3640 Router page 5 30 Replacing the Cisco 3660 Mainboard Tray page 5 33 Replacing the ROM Cisco 3620 Cisco 3640 and Cisco 3660 To upgrade the router ROM software to a new ROM monitor version you must replace the existing ROM You will need the following tools ROM extraction tool or a small flat blade screwdriver Needlenose pliers One 32 pin plastic leaded chip carrier PLCC for removing the ROM chip from the Cisco 3660 mainboard H Cisco 3600 Series Hardware Installation Guide OL 2056 02 Chapter5 Installing Memory in the Router Step 1 Step 2 A Replacing the ROM 8 Follow this procedure to replace the ROM Attach an ESD preventive wrist strap and ensure that it makes good contact with your skin
33. Step2 Reboot the router using the new ROM image Router reload This command will reload the router Continue yes no y Step3 Verify the ROM version Router show rom monitor ReadOnly ROMMON version System Bootstrap Version 12 2 4r XT1 RELEASE SOFTWARE fcl TAC Support http www cisco com tac Copyright c 2001 by cisco Systems Inc Upgrade ROMMON version System Bootstrap Version 12 2 4r XT1 RELEASE SOFTWARE fcl TAC Support http www cisco com tac Copyright c 2001 by cisco Systems Inc Currently running ROMMON from Upgrade region ROMMON from Upgrade region is selected for next boot Step4 Select the ROM image for next reboot Router f upgrade rom monitor preference readonly upgrade You are about to mark Upgrade region of ROMMON for the highest boot preference Proceed confirm y Done Router must be reloaded for this to take affect Closing the Router _A Caution Before closing the router make sure that all cables are securely tucked in and are not in danger of being pinched or cut Cisco 3600 Series Hardware Installation Guide 01 2056 02 EL Chapter5 Installing Memory in the Router B Closing the Router Replacing the Cover on a Cisco 3620 or Cisco 3640 Router Step 1 Step 2 This section describes how to replace the router cover You need a number 2 Phillips screwdriver to perform this procedure Place the chassis so the front panel faces you Hold the cover so
34. ainboard gt Warning gt Warning This section describes how to open the system in order to access the router s internal components such as memory modules and the ROM You need a number 2 Phillips or flat blade screwdriver to perform this procedure Do not touch the power supply when the power cord is connected For systems with a power switch line voltages are present within the power supply even when the power switch is OFF and the power cord is connected For systems without a power switch line voltages are present within the power supply when the power cord is connected To see translations of the warnings that appear in this publication refer to the Regulatory Compliance and Safety Information document that accompanied this device Before performing any of the following procedures ensure that power is removed from the DC circuit To ensure that all power is OFF locate the circuit breaker on the panel board that services the DC circuit switch the circuit breaker to the OFF position and tape the switch handle of the circuit breaker in the OFF position To see translations of the warnings that appear in this publication refer to the Regulatory Compliance and Safety Information document that accompanied this device Removing the Cisco 3620 or Cisco 3640 Router Cover Step 1 A Use the following procedure to remove the cover Power OFF the router However to channel ESD voltages to ground do not unpl
35. anel board that services the DC circuit switch the circuit breaker to the OFF position and tape the switch handle of the circuit breaker in the OFF position 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 Perform the following procedure to remove the chassis cover Power OFF the router However to channel ESD voltages to ground do not unplug the power cable Warning Step 2 Step 3 Step 4 Before opening the chassis disconnect the telephone netw ork cables to avoid contact with telephone netw ork 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 Disconnect all network interface cables from the rear panel Place the router on a flat surface Remove the five screws located on top of the cover Set the screws aside in a safe place Rotate the cover up to a 45 degree angle See Figure 33 Slide the cover to the side away from the side with the fans until the tabs are free from the slots See Figure 33 OL 2056 02 Cisco 3600 Series Hardware Installation Guide Chapter5 Installing Memory in the Router installing and Formatting Compact Flash Memory Cards in Cisco 3631 Routers Figure 33 Removing the Cover from a Cisco 3631 1 Lift
36. cessor board PCMCIA Slotl flash Read Write PCMCIA Slotl flash directory partition 3 File Length ame status 1 2358 running config 2424 bytes used 4191880 available 4194304 total 4096K bytes of processor board PCMCIA 5101 flash Read Write Similarly you can display the contents of system onboard Flash memory by entering the show flash command Copying a File from System Flash Memory to a Flash Memory Card Step 1 Step 2 You can use a Flash memory card to store a backup copy of a Cisco IOS image or other file Follow these steps to copy a file from system onboard Flash memory to a Flash memory card Enter privileged EXEC mode Router enable Password password Enter the copy flash partition filename slot0 slot1 partition filename command Replace partition with the partition number and filename with the name of the file for example Router copy flash 2 TESTFILE slot0 3 TESTFILE PCMCIA 5100 flash directory partition 3 No files in PCMCIA Slot0O flash 0 bytes used 4194304 available 4194304 total Verifying checksum for TESTFILE file 4 1 OK Erase flash device before writing confirm n S Note If you omit the partition and filename variables you are prompted for them OL 2056 02 Cisco 3600 Series Hardware Installation Guide Chapter5 Installing Memory in the Router BE installing and Configuring Flash Memory Cards in Cisco 3620 Cisco 3640 and Cisco 3
37. ding to the formatted file system Class or Class Procedures for Use with DOS File System File Operations The following file and directory procedures are useful for Compact Flash memory cards formatted with a Class C Flash file system Copy Files To copy the files to another location use the copy flash source filename flash tftp lex null nvram pram rcp system tftp xmodem ymodem running config startup config destination filename command The following example shows output for copying a configuration file to the startup configuration in an internal Compact Flash memory card 1asn Routers copy flash my configl startup config Destination filename startup config OK 517 bytes copied in 4 188 secs 129 bytes sec The following example shows output for copying a configuration file to the running configuration in an internal Compact Flash memory card flash Routers copy flash my config2 running config Destination filename running config 709 bytes copied in 0 72 secs OL 2056 02 Cisco 3600 Series Hardware Installation Guide Chapter5 Installing Memory in the Router Installing and Formatting Compact Flash Memory Cards in Cisco 3631 Routers Display the Contents of a Compact Flash Card To display the contents directories and files of a Compact Flash memory card formatted with a Class C Flash file system use the dir flash command The following exampl
38. e Flash memory card label side up into one of the PCMCIA slots until the card is seated in the connector See Figure 5 29 In Cisco 3620 and Cisco 3640 routers the card does not fit completely into the router part of the card projects from the slot For Cisco 3660 routers rotate the ejector button outward and then insert the connector end of the Flash memory card label side up into the PCMCIA slot until the card is seated in the connector See Figure 5 30 For Cisco 3660 routers rotate the ejector button back in to prevent accidental ejection of the card OL 2056 02 Cisco 3600 Series Hardware Installation Guide Chapter5 Installing Memory in the Router BE installing and Configuring Flash Memory Cards in Cisco 3620 Cisco 3640 and Cisco 3660 Routers Figure 5 29 Installing a Flash Memory Card in a Cisco 3620 or Cisco 3640 Router Cisco 3 600 SERIES PCMCIA slots SI H8625 Flash memory card Figure 5 30 Installing a Flash Memory Card in a Cisco 3660 Router PCMCIA slots ca icc e ea le Slot buttons ae Cisco 3600 Series Hardware Installation Guide u OL 2056 02 Chapter5 Installing Memory in the Router Installing and Configuring Flash Memory Cards in Cisco 3620 Cisco 3640 and Cisco 3660 Routers MI
39. e shows output for displaying the contents of a Compact Flash memory card with a Class C Flash file system Router dir flash Directory of flash 3 rw 6455048 Mar 01 2001 00 04 06 c3725 i mz 1579 rw 6458584 Mar 01 2001 00 24 38 c3725 i mz new 15912960 bytes total 2998272 bytes free Display Geometry and Format Information To display the geometry and format information of a Compact Flash memory card formatted with a Class C Flash file system use the show flash command The following example shows output for displaying the geometry and format information of a Compact Flash memory card formatted with a Class C Flash file system Routers show flash ATA Flash Card Geometry Format Info x x ATA CARD GEOMETRY Number of Heads 2 Number of Cylinders 490 Sectors per Cylinder 32 Sector Size 512 Total Sectors 31360 ATA CARD FORMAT Number of FAT Sectors 12 Sectors Per Cluster 8 Number of Clusters 3885 Number of Data Sectors 31264 Base Root Sector 152 Base FAT Sector 128 Base Data Sector 184 Please use dir command to display the contents of the card Delete Files from CompactFlash M emory To delete a file from a Compact Flash memory card use the delete flash filename command The following example shows output for deleting a Cisco IOS file from a Compact Flash memory card Routers delete flash c3725 i mz tmp Delete filename c3725 i mz tmp Delete flash c3725 i mz tmp confirm Routers dir flash
40. elines described in the Preventing Electrostatic Discharge Damage section on page 2 2 Installing a Flash Memory Card S The router includes two Personal Computer Memory Card International Association PCMCIA slots You can install 4 MB 8 MB or 16 MB Flash memory cards in these slots Note The PCMCIA slots are also compatible with Cisco 1000 series fast Flash memory cards Cisco 3600 Series Hardware Installation Guide ES OL 2056 02 Chapter5 Installing Memory in the Router Step 1 Step 2 amp Installing and Configuring Flash Memory Cards in Cisco 3620 Cisco 3640 and Cisco 3660 Routers MI Perform this procedure to install a Flash memory card Verify that the Flash memory card s write protect switch is OFF The write protect switch is at the top left edge of the card when you view it with the label side toward you See Figure 5 28 Figure 5 28 Setting the Write Protect Switch Flash memory card ON shown with write protection off amp Flash memory card write protection Flash memory card 15281 Locate the PCMCIA slots labeled 1 and 0 at the bottom right corner of the front panel of the chassis See Figure 5 29 and Figure 5 30 Note Step 3 amp Note Step 4 You can install a single Flash memory card in either slot and you can install Flash memory cards in both slots For Cisco 3620 and Cisco 3640 routers insert the connector end of th
41. emory card you might want to partition it Perform this procedure to partition a Flash memory card Step1 Enter privileged EXEC mode Router enable Password password Step2 Enter global configuration mode Router configure terminal Step3 Enter the partition slot0 51011 partition number partitionl size partition2 size command Router config partition slotl 1 2 4 The partition size is expressed in megabytes MB Note If only one partition size is specified or if the size s are out of acceptable range the following error messages are displayed SError Too few partition size parameters Error Requested partitions not valid Cisco 3600 Series Hardware Installation Guide EE OL 2056 02 Chapter5 Installing Memory in the Router Installing and Configuring Flash Memory Cards in Cisco 3620 Cisco 3640 and Cisco 3660 Routers Displaying the Contents of a Flash M emory Card To display the contents of a Flash memory card enter the show 51010 slot1 command for example Router show slotl PCMCIA Slotl1 flash directory partition 1 File Length ame status 1 1933052 c3640 i mz 111 6 3 AA 1933116 bytes used 6455492 available 8388608 total 8192K bytes of processor board PCMCIA Slotl flash Read Write PCMCIA Slotl1 flash directory partition 2 File Length ame status 1 3399444 c3640 j mz 111 7 AA 3399508 bytes used 794796 available 4194304 total 4096K bytes of pro
42. eplacing the Cisco 3660 Mainboard Tray This section describes how to replace the mainboard tray You need a number 2 Phillips screwdriver to perform this procedure Stepl Place the chassis so the rear panel faces you Step2 Hold the tray so that the tabs at the tray s lower corners are aligned with the ledge in the chassis opening See part 1 of Figure 5 27 Figure 5 27 Replacing the Cisco 3660 Mainboard Tray RN NA e TT uL ose Se gt e e m k a EN e cicxeaeaieseseses n A ts ao cs c e y AA at e coccieyexeseseoeexeieses Cs 9 25 SZ Step 3 Slide the mainboard tray into the chassis until firm contact is made with the backplane See part 2 in Figure 5 27 Step4 Push the levers at the lower corners of the mainboard inward See part 3 in Figure 5 27 Cisco 3600 Series Hardware Installation Guide 01 2056 02 a 533 Chapter5 Installing Memory in the Router BE installing and Configuring Flash Memory Cards in Cisco 3620 Cisco 364
43. g checksum OK 0xC4D4 Flash device copy took 00 00 00 hh mm ss Cisco 3600 Series Hardware Installation Guide OL 2056 02 Chapter5 Installing Memory in the Router Installing and Configuring Flash Memory Cards in Cisco 3620 Cisco 3640 and Cisco 3660 Routers MI Copying a File from a Flash Memory Card to System Flash M emory Step 1 Step 2 Step 3 You can copy files from a Flash memory card to system onboard Flash memory for instance when restoring a backup Follow these steps to copy a file from a Flash memory card to system Flash memory Enter privileged EXEC mode Router enable Password password Enter the copy 51010 slot1 partition filename flash partition filename command Replace partition with the partition number and filename with the name of the file for example Routers copy slot0 3 TESTFILE flash 2 TESTFILE2 System flash directory partition 2 File Length Name status 1 68 TESTFILE 2 3399444 myfile 3399640 bytes used 794664 available 4194304 total Verifying checksum for TESTFILE file 1 Erase flash device before writing confirm n amp Note If you omit the partition and filename variables you are prompted for them Press Return or type y to erase the current contents of the partition or enter n to save the contents Then confirm your selection Copy TESTFILE from slot0 device as TESTFILE2 into flash device WITHOUT erase ye
44. h your skin Connect the equipment end of the wrist strap to the metal back plate of the chassis avoiding contact with the connectors Step2 the mainboard locate the DRAM SIMM sockets shown in Figure 5 5 or Figure 5 6 Caution Handle SIMMs by the edges only SIMMs are ESD sensitive components and can be damaged by mishandling Step 3 Hold the SIMM with the polarization notch on the right near the front of the chassis and with the connector edge at the bottom Step4 Beginning with bank insert the SIMM into the socket at an angle tilted toward the right side of the chassis Rock the SIMM into a vertical position see Figure 5 9 using the minimum amount of force required When the SIMM is properly seated the socket guide posts fit through the alignment holes and the locking spring clips click into place Step5 that each SIMM is straight perpendicular to the socket and that the alignment holes as shown in Figure 5 9 line up with the plastic socket guides on the socket Figure 5 9 Installing DRAM SIMMs View from front of chassis 1 Insert the SIMM into the socket at an angle from vertical 2 Push the top of the SIMM down and back 7 7 7 3 The socket guide posts fit through 7 the holes the SIMM 7 4 The locking springs clip the back 7 of the SIMM Caution It is normal to feel some resista
45. have a Cisco 3620 or Cisco 3640 router gently remove the old ROM with a ROM extraction tool or a small flat blade screwdriver and set it aside If you have a Cisco 3660 router gently remove the old ROM with a 32 pin PLCC extractor and set it aside See Figure 5 22 Cisco 3600 Series Hardware Installation Guide u OL 2056 02 Chapter 5 Installing Memory in the Router Step 5 Replacing the ROM 8 Figure 5 22 Removing the ROM from the Cisco 3660 Mainboard _ Angled tips gt PLCC extraction tool PLCC Extraction slots extraction slot 3 Bs Oom PLCC NL aed extraction slot eS ROM ROM socket 14624 For a Cisco 3620 or Cisco 3640 router orient and insert the new ROM in its socket shown in Figure 5 19 and Figure 5 20 being careful to not bend or crush any of the bottom pins To straighten out a bent pin use needlenose pliers Align the notch in the new ROM with the notch in the ROM socket ignoring the orientation of the label For a Cisco 3660 router orient and insert the new ROM in its socket as shown in Figure 5 23 being careful to not bend or crush any of the bottom pins To straighten out a bent pin use needlenose pliers Align the notch in the new ROM with the notch in the ROM socket ignoring the orientation of the label Figure 5 23 Installing the ROM in the Cisco 3660 Mainboard Press the ROM into place evenly and firmly Align notches on
46. he edges with your thumb and index finger and lift it out of the socket Place the removed DIMM in an antistatic bag to protect it from ESD damage Step5 If necessary repeat Step 3 and Step 4 for the other DIMM Cisco 3600 Series Hardware Installation Guide ELE OL 2056 02 Chapter5 Installing Memory in the Router Replacing Flash MemorySIMMs MI Installing SDRAM DIMMs Step 1 Step 2 Caution Step 3 Step4 Step 5 Perform this procedure to install SDRAM DIMMs 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 On the mainboard locate the SDRAM DIMM sockets shown in Figure 5 11 Handle DIMMs by the non connector edges only DIMMs are ESD sensitive components and can be damaged by mishandling Hold the DIMM with the polarization notch on the right near the rear of the chassis and with the connector edge at the bottom Beginning with socket 0 insert the DIMM perpendicular to the socket Push firmly into place see Figure 5 13 using the minimum amount of force required When the DIMM is properly seated the socket guide posts fit through the alignment holes and the locking spring clips click into place Ensure that each DIMM is straight perpendicular to the socket See Figure 5 13 Caution Step 6 It is normal
47. l the cover screws Step5 Reinstall the chassis on a rack or desktop Step6 Reconnect network interface cables Step7 Power ON the router Warning After wiring the DC power supply remove the tape from the circuit breaker switch handle and reinstate pow er by moving the handle ofthe circuit breaker to the ON position 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 Formatting Procedures for Compact Flash M emory Cards Cisco recommends that you format new Compact Flash memory cards to initialize them with either a Class B Flash file system or a Class C Flash file system This ensures proper formatting and enables the ROM monitor to recognize and boot the Flash The Class B Flash file system is also known as the low end file system LEFS The Class C Flash file system is similar to the standard DOS file system Note A Compact Flash memory card formatted with the standard DOS file system does not support booting from the ROM monitor Determining the File System on a Compact Flash M emory Card To determine the file system of a Compact Flash memory card in a Cisco 3631 enter the show flash command If the content of the Compact Flash memory card displays the card was formatted with a Class B Flash file system If the geometry and format information of the card displays the card was formatted with a
48. les and WAN interface cards To see how much memory is currently installed in the router enter the show version command while the router is in the privileged EXEC mode Router prompt Near the middle of the resulting output a message similar to the following displays Cisco 3640 R4700 processor revision 0x00 with 24576K 8192K bytes of memory This line shows how much memory is installed in this example 24576K 8192K The first number represents primary memory and the second number represents shared memory You can configure DRAM to be either 32 or 64 bits wide To use 64 bit mode you must install DRAM SIMMs in pairs of the same size Generally basic software feature sets such as IP use 32 bit DRAM SIMMs and robust software feature sets such as Enterprise use 64 bit DRAM SIMMs In the Cisco 3620 router DRAM supports 32 bit operation only whereas in the Cisco 3640 router DRAM supports either 32 or 64 bit operation In 32 bit mode the router performs approximately 20 percent slower than when DRAM is configured for 64 bit mode operation Each SIMM socket corresponds to one bank of memory Fill banks consecutively with no gaps start filling banks from 0 and empty banks starting with 3 Bank 0 must always be filled first and emptied last Only certain combinations of DRAM SIMMs are permitted These combinations are shown inTable 5 1 for 32 bit configurations used in Cisco 3620 routers Table 5 2 for 32 bit configura
49. ll need to have a ROM image file available to copy from a remote server or internal flash memory Perform this procedure to upgrade the Cisco 3631 ROM from a TFTP server Copy the ROM image from the TFTP server Router upgrade rom monitor file tftp 172 19 169 99 rommon file srec Loading rommon file srec from 172 19 169 99 via FastEthernet0 0 Gg GL CZIFILEFELLTVNTLLLTLTLELLELFBFLFLLBLZTSTSTEELEEELELFF T LZ ZGJGZ TSIELEELFLFBFGL GTGZSTSPLFLgGZ GTGSSTEELFLELEELLTGBZ OK 651041 1301504 bytes Router 4 This command will reload the router Continue yes no y ROMMON image upgrade in progress Erasing boot flash Programming boot flash pppp Now Reloading System Bootstrap Version 12 2 4r XT1 RELEASE SOFTWARE fcl TAC Support http www cisco com tac Copyright c 2001 by cisco Systems Inc Running new upgrade for first time System Bootstrap Version 12 2 4r XT1 RELEASE SOFTWARE fcl TAC Support http www cisco com tac Cisco 3600 Series Hardware Installation Guide EXE OL 2056 02 Chapter5 Installing Memory in the Router Closing the Router Copyright c 2001 by cisco Systems Inc c3745 processor with 131072 Kbytes of main memory Main memory is configured to 64 bit mode with parity disabled Upgrade ROMMON initialized
50. nce when installing a SIMM but do not use excessive force on the SIMM and do not touch the surface components Step6 Repeat Step 3 through Step 5 for each SIMM When you finish replacing SIMMs proceed to the Replacing the Cover on a Cisco 3620 or Cisco 3640 Router section on page 5 30 Cisco 3600 Series Hardware Installation Guide 01 2056 02 Chapter5 Installing Memory in the Router B Replacing DRAM and SDRAM SDRAM DIMM s Used in the Cisco 3631 and Cisco 3660 Router This section describes how to upgrade synchronous dynamic random access memory SDRAM dual in line memory modules DIMMs in the Cisco 3631 and Cisco 3660 routers You might need to upgrade the SDRAM DIMMs for the following reasons You upgraded the Cisco IOS feature set or release and it requires additional SDRAM The router maintains large routing tables or other memory intensive features such as spoofing or protocol translations The Cisco 3631 and Cisco 3660 routers contain two 168 pin DIMM sockets for SDRAM Each socket can be filled with a single 64 bit wide 168 pin SDRAM DIMM You can configure SDRAM as a mixture main memory which is reserved for the CPU and shared memory which is used for data transmitted or received by modules and WAN interface cards See Figure 5 10 and Figure 5 11 for DIMM locations To see how much memory is currently installed in the router enter the show version command while the router is in the p
51. ntents directories and files of a Compact Flash memory card formatted with a Class B Flash file system use the dir flash command or the show flash command The following example shows output for displaying the contents of a Compact Flash memory card using the dir flash command Routers dir flash Directory of flash 1 rw 5190020 no date c3631 i mz 2 rw 6458584 no date c3725 i mz 3 rw 16535740 no date c3631 telcoent mz 128450560 bytes total 100266024 bytes free The following example shows output for displaying the contents of a Compact Flash memory card using the show flash command Router show flash System CompactFlash directory File Length Name status 1 5190020 c3631 i mz 2 6458584 c3725 i mz 3 16535740 c3631 telcoent mz 28184536 bytes used 100266024 available 128450560 total 125440K bytes of ATA System CompactFlash Read Write Delete Files from CompactFlash Memory To delete a file from Compact Flash memory use the delete flash filename command followed by the squeeze flash command When a file is deleted in the Class B Flash file system the memory space occupied by the deleted file is not released until you enter the squeeze command Although the memory space once occupied by the deleted file remains the deleted file cannot be recovered To release the memory space occupied by a deleted file enter the squeeze flash command The dir command does not show deleted files the show
52. ory Compliance and Safety Information document that accompanied this device Replacing the Cover on a Cisco 3631 Router A Caution Before reinstalling the cover on the router make sure that all cables are securely tucked in and are not in danger of being pinched or cut Step1 Place the chassis on a flat surface Step2 Hold the cover at a 45 degree angle and insert the tabs into the slots along the front bezel edge of the chassis See Figure 5 26 Step3 Center the cover over the chassis and lower it onto the chassis Cisco 3600 Series Hardware Installation Guide 01 2056 02 Chapter5 Installing Memory in the Router B Closing the Router Figure 5 26 Replacing the Cisco 3631 Router Cover 1 Insert tabs and slide cover 2 Close cover Step4 Reinstall the cover screws Step5 Reinstall the chassis on a rack or desktop Step6 Reconnect network interface cables Step7 Power ON the router Warning After wiring the DC power supply remove the tape from the circuit breaker switch handle and reinstate pow er by moving the handle of the circuit breaker to the ON position 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 Cisco 3600 Series Hardware Installation Guide OL 2056 02 Chapter5 Installing Memory in the Router Closing the Router MI R
53. ory in the Router Replacing Flash MemorySIMMs Figure 5 17 Removing Flash Memory SIMMs Top view 1 Pull the locking spring clips outward 0 2 Push the top of the SIMM forward and down Y Front of chassis 7085 SIMM polarization notch _ Installing Flash Memory SIMMs Perform this procedure to install Flash memory SIMMs Step1 Locate the Flash memory SIMM sockets on the mainboard See Figure 5 14 through Figure 5 16 Caution Handle SIMMs by the non connector edges only SIMMs are ESD sensitive components and can be damaged by mishandling Step2 Hold the SIMM with the polarization notch on the right and the component side away from you with the connector edge at the bottom Step3 Beginning with bank 0 insert the Flash memory SIMM into its connector slot at an angle tilted toward the left side of the chassis See Figure 5 18 Rock the SIMM into a vertical position using the minimum amount of force required When the SIMM is properly seated the socket guide posts fit in the alignment holes and the locking springs click into place Use a minimum of force Cisco 3600 Series Hardware Installation Guide 01 2056 02 a 5 23 Chapter 5 Installing Memory in the Router BI Replacing the ROM Figure 5 18 Inserting Flash Memory SIMMs View from front of chassis X 1 Insert the SIMM into the socket at an angle from vertical 2 Push the top of the
54. otal 4096K bytes of processor board PCMCIA Slotl flash Read Write PCMCIA Slotl1 flash directory partition 2 File Length Name status 1 611 running config 2 583 configfile 3324 bytes used 4190980 available 4194304 total 4096K bytes of processor board PCMCIA Slotl flash Read Write Routers erase slot1 2 Erasing the slot1 2 filesystem will remove all files Continue confirm Erasing device erased Erase of slotl 2 complete OL 2056 02 Cisco 3600 Series Hardware Installation Guide Chapter5 Installing Memory in the Router installing and Formatting Compact Flash Memory Cards in Cisco 3631 Routers Installing and Formatting Compact Flash M emory Cards in Cisco 3631 Routers This section describes how to install Compact Flash memory cards in Cisco 3631 routers how to format the cards into a Class B Flash file system low end file system or a Class C Flash file system similar to DOS and how to perform file and directory operations in each file system In Cisco 3631 routers the Compact Flash memory card mounts on a connector on the CPU mainboard You can install a Compact Flash memory card with 32 64 or 128 MB of memory This document contains the following sections Preventing Electrostatic Discharge Damage page 5 44 Tools and Equipment Needed page 5 44 Compact Flash Memory Card Installation and Removal page 5 4
55. r Power OFF the router However to channel ESD voltages to ground do not unplug the power cable OL 2056 02 Cisco 3600 Series Hardware Installation Guide H Chapter5 Installing Memory in the Router W Accessing the Mainboard Warning Before opening the chassis disconnect the telephone network cables to avoid contact with telephone netw ork 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 Step2 Disconnect all network interface cables from the rear panel Step3 Place the router on a flat surface Remove the five screws located on top of the cover Step4 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 1 Lift cover 2 Slide cover Cisco 3600 Series Hardware Installation Guide Em OL 2056 02 Chapter5 Installing Memory in the Router Accessing the Mainboard Removing the Cisco 3660 M ainboard Tray Sy Note Step 1 In this publication references to Cisco 3660 routers include both Cisco 3661 and Cisco 3662 models Use the following procedure to remove the mainboard tray Power OFF the router However to channel ESD voltages to ground do not unplug the power cable Warning
56. rifying checksum for TESTFILE file 1 OK Erase flash device before writing confirm n Note If you omit the partition and filename variables you are prompted for them Step5 Press Return or enter y to erase the current contents of the destination partition if any or enter n to save the contents Then confirm your selection Copy TESTFILE from slot0 device as TESTFILE into slotl1 device WITHOUT erase yes no y OK 68 313616 bytes Flash device copy took 00 00 05 hh mm ss Verifying checksum 0x4ACD Booting from a Flash Memory Card You can configure the router to boot from a Cisco IOS image on the Flash memory card rather than from system Flash memory The router boots the image on the Flash memory card copies the image to onboard DRAM and then executes the image from DRAM The router does not execute the image directly from the Flash memory card Follow these steps to specify the image on the Flash memory card as the boot image Step1 Enter privileged EXEC mode Router gt enable Password password Step2 Enter global configuration mode Router configure terminal Cisco 3600 Series Hardware Installation Guide Ka OL 2056 02 Chapter5 Installing Memory in the Router Step 3 Step 4 Step 5 Step 6 Step 7 Installing and Configuring Flash Memory Cards in Cisco 3620 Cisco 3640 and Cisco 3660 Routers Enter the boot system flash slot0 slot1 par
57. rivileged EXEC mode Router prompt Near the middle of the resulting output a message similar to the following displays Cisco 3660 R527x processor revision 0x00 with 24576K 8192K bytes of memory This line shows how much memory is installed in this example 24576K 8192K The first number represents primary memory and the second number represents shared memory Your router supports up to 256 MB of SDRAM Each DIMM socket corresponds to one bank of memory Fill banks from 0 and empty banks starting with 1 Bank 0 must always be filled first and emptied last The Cisco 3631 router supports both parity and non parity PC 100 DIMMs ranging in capacity from 64 MB to 128 MB Only certain combinations of SDRAM DIMMs are permitted See Table 5 5 The Cisco 3660 router supports both parity and non parity PC 100 DIMMs ranging in capacity from 16 MB to 128 MB Only certain combinations of SDRAM DIMMs are permitted See Table 5 5 Note 2 An advantage of parity DIMMs over non parity DIMMs is easier identification of memory errors a disadvantage is lower processing speed To use a 64 bit mode SDRAM configuration the DIMM in bank 1 must be less than or equal to the size of the DIMM in bank 0 Cisco 3600 Series Hardware Installation Guide ELS OL 2056 02 Chapter5 Installing Memory in the Router Replacing DRAM and SDRAM W Figure 5 10 SDRAM DIMM Locations in the Cisco 3631 Router SDRAM DIMMs
58. s no y OK 68 794664 bytes Flash device copy took 00 00 04 hh mm ss Verifying checksum 0 42 Copying a File Betw een Slots S This section describes how to copy a file from one Flash memory card to another Flash memory card in the other slot Note Step 1 Step 2 Step 3 The source and destination slots cannot be the same For example if the source file is on the card in slot 0 you cannot copy the file to the same card in slot 0 Follow these steps to copy a file between two slots Enter privileged EXEC mode as follows Router enable Password password Insert the Flash memory card that contains the source file into the slot labeled 0 Insert a second Flash memory card into the slot labeled 1 This card does not have to be partitioned OL 2056 02 Cisco 3600 Series Hardware Installation Guide Chapter5 Installing Memory in the Router BE installing and Configuring Flash Memory Cards in Cisco 3620 Cisco 3640 and Cisco 3660 Routers Step4 Enter the copy slot0 slot1 partition filename slot0 slot1 partition filename command to copy a file from one slot to the other In the following example there are no partitions on the destination Flash memory card Router copy slot0 3 TESTFILE slotl PCMCIA Slotl1 flash directory File Length Name status 1l 1783471 1 1783536 bytes used 313616 available 2097152 total Destination file name TESTFILE Ve
59. sh config 1581 drw 0 Mar 01 1993 23 50 08 test config 128094208 bytes total 121626624 bytes free Router rmdir flash config test config Remove directory filename config test config Delete flash config test config confirm Removed dir flash config test config Router dir flash Directory of flash config files in directory 128094208 bytes total 121630720 bytes free Router Cisco 3600 Series Hardware Installation Guide ES OL 2056 02 Chapter5 Installing Memory in the Router Installing and Formatting Compact Flash Memory Cards in Cisco 3631Routers Enter a Directory and Determine Which Directory You Are In To enter a directory in Compact Flash memory use the flash directory name command To determine which directory you are in use the pwd command If you enter only cd the router will enter the default home directory which is 1asn The following example shows output for the following actions Entering the home directory of a Compact Flash memory card 1asn Verifying that you are in the home directory Displaying the contents of the home directory Entering the con ig directory Verifying that you are in the config directory Returning to the home directory 1asn Verifying that you are in the home directory Router Routers pwd flash Routers dir Directory of flash 3 rw 6458208 1580 drw 0 Mar 01 1993 00 04 08 Mar 0
60. t Flash memory card enter the format flash command The following example shows output for formatting an internal Compact Flash memory card formatted with a Class C Flash file system Router format flash Format operation may take a while Continue confirm Format operation will destroy all data in flash Continue confirm Enter volume ID up to 64 chars default flash Current Low End File System flash card in flash will be formatted into DOS File System flash card Continue confirm Format Drive communication amp lst Sector Write OK Wei Ping Monlib write complete Format All system sectors written OK Format Total sectors in formatted partition 250592 Format Total bytes in formatted partition 128303104 Format Operation completed successfully Format of flash complete Formatting Compact Flash M emory as a Class B Flash File System To format a Compact Flash memory card with a Class B Flash file system LEFS use the erase command To format a new internal Compact Flash memory card or to remove the files from a previously installed internal Compact Flash memory card enter the erase flash command The following example shows output for formatting an internal Compact Flash memory card with a Class B Flash file system Router erase flash Erasing the flash filesystem will remove all files Continue confirm Current DOS File System flash card in flash will be
61. tent of a file in Compact Flash memory use the more flash filename command The following example shows output from the more command on a Compact Flash memory card Router more flash c3725 i mz 00000000 7F454C46 01020100 00000000 00000000 SERE 00000010 00020061 00000001 80008000 00000034 Sd nies ente 00000020 00000054 20000001 00340020 00010028 elo 00000030 00050008 00000001 0000011 80008000 Tents 00000040 80008000 00628244 00650EEC 00000007 sepe csDRD uel 00000050 0000011C 0000001B 00000001 00000006 s 00000060 80008000 0000011C 00004000 00000000 audio 00000070 00000000 00000008 00000000 00000021 Yep 00000080 00000001 00000002 80000000 0000411C tcn ee monas deo woods 00000090 00000700 00000000 00000000 00000004 C PE 000000A0 00000000 00000029 00000001 00000003 bees 00000080 8000C700 0000481C 00000380 00000000 00000000 00000000 00000004 00000000 00000022 eer uve uere 00000020 00000001 10000003 8000CA80 00004B9C o ESTIS 000000E0 00000020 00000000 00000000 00000008 hace th o 00000020 00000000 0000002 00000001 10000003 eu 00000100 8000CAAO0 00004BBC 00623FA4 00000000 vU 4 bes 00000110 00000000 00000008 00000000 3C1C8001 M 00000120 679C4A80 3C018001 AC3DC70C 3C018001 dag Xue nm 00000130 AC3FC710 3C018001 AC24C714 3C018001 X4 2More q Router OL 2056 02
62. ter5 Installing Memory in the Router BI Replacing Flash Memory SIMMs Table 5 6 Flash Memory SIMM Configurations Bank 0 Bank 1 Total Memory 4 MB 4 MB 4 MB 4 MB 8 MB 4 MB 8 MB 12 MB 4 MB 16 MB 20 MB 8 MB 8 8 4 12 8 8 16 8 16 24 16 16 MB 16 MB 4 MB 20 MB 16 MB 8 MB 24 MB 16 MB 16 MB 32 MB 32 MB 32 MB 64 MB 1 The 64 MB configuration is only available on the Cisco 3660 router Flash memory SIMMs have a polarization notch to ensure proper orientation and alignment holes to ensure proper positioning similar to that shown in Figure 5 7 Flash memory SIMMs are installed with the connector edge down and the polarization notch near the front of the chassis gt Caution To avoid damaging ESD sensitive components observe all ESD precautions To avoid damaging the underlying mainboard do not use excessive force when you remove or replace SIMMs Figure 5 14 Figure 5 15 and Figure 5 16 show the location of the Flash memory SIMMs on your router s mainboard H Cisco 3600 Series Hardware Installation Guide OL 2056 02 Chapter5 Installing Memory in the Router Replacing Flash MemorySIMMs Figure 5 14 Flash Memory SIMM Locations on the Cisco 3620 Mainboard
63. the tabs at the rear of the cover are aligned with the chassis bottom See Figure 5 24 or Figure 5 25 Figure 5 24 Replacing the Cisco 3620 Router Cover Chassis cover Chassis tabs Chassis bottom Figure 5 25 Replacing the Cisco 3640 Router Cover Chassis cover Chassis tabs Cover tabs Side tabs Chassis bottom Cisco 3600 Series Hardware Installation Guide OL 2056 02 Chapter5 Installing Memory in the Router Step 3 Step4 Step 5 Step 6 Step 7 Step 8 Warning Closing the Router MI Push the cover toward the rear making sure that the cover tabs fit under the chassis back panel and the back panel tabs fit under the top cover Lower the front of the cover onto the chassis making sure that the side tabs on the cover fit inside the chassis side panels and the chassis tabs fit under the cover side panels Fasten the cover with the three screws you set aside in Step 3 of the Removing the Cisco 3620 or Cisco 3640 Router Cover section on page 5 2 Reinstall the chassis on a rack wall or desktop Reinstall network interface cables Power ON the router After wiring the DC power supply remove the tape from the circuit breaker switch handle and reinstate pow er by moving the handle of the circuit breaker to the ON position To see translations of the warnings that appear in this publication refer to the Regulat
64. tions used in Cisco 3640 routers and Table 5 3 for 64 bit configurations used in Cisco 3640 routers Follow these rules to use 64 bit mode DRAM configuration SIMMs in banks 0 and 1 must be the same size in MB and have the same access time in nanoseconds SIMMs in banks 2 and 3 must also be the same size and have the same access time SIMMs in banks 2 and 3 must be less than or equal to the size of the SIMMs in banks 0 and 1 Figure 5 5 or Figure 5 6 shows the DRAM SIMM locations in your router OL 2056 02 Cisco 3600 Series Hardware Installation Guide Chapter5 Installing Memory in the Router Replacing DRAM and SDRAM Figure 5 5 DRAM SIMM Locations in the Cisco 3620 Router 0 1 2 3 TOES Risse 3 11111 o 111111 pr mu mw n O Li DRAM SIMMs H7317 Figure 5 6 DRAM SIMM Locations in the Cisco 3640 Router
65. tition filename command to specify the boot image location and name In the following example the boot image is located on the Flash memory card in the 0 slot partition 3 and the filename is new image Router config no boot system Router config f boot system flash slot0 3 new image N Note If you omit the partition and filename variables you are prompted for them Set the configuration register to 0x2102 the default setting which indicates that the router should attempt to boot a Cisco IOS image from Flash memory Router config config register 0x2102 Exit global configuration mode Router config exit Enter the copy running config startup config command to save the configuration changes to NVRAM Enter the reload command to reload the router When the router reloads it will boot the image new image from the Flash memory card in slot 0 Erasing the Contents of a Flash M emory Card To erase a partition or the entire contents of a Flash memory card enter the command erase slot0 slot1 partition Replace partition with the partition number You cannot specify a filename The following example erases the contents of partition 2 of the card in slot 1 Note Cisco recommends first displaying the contents of the partition that you plan to erase Router show slotl PCMCIA Slot1 flash directory partition 1 File Length Name status 1 1583 testl 1648 bytes used 4192656 available 4194304 t
66. to feel some resistance when installing a DIMM but do not use excessive force on the DIMM and do not touch the surface components Repeat Step 3 through Step 5 for each DIMM When you finish replacing DIMMs and have installed all internal components proceed to the Replacing the Cisco 3660 Mainboard Tray section on page 5 33 Replacing Flash Memory SIMMs This section describes how to upgrade the Flash memory SIMMs The system code Cisco IOS software is stored in the Flash memory SIMMs You might need to replace or add Flash memory SIMMs to upgrade to a new Cisco IOS software feature set The router contains one or two 80 pin Flash memory SIMMs You can upgrade Flash memory by replacing the existing 4 MB SIMM with an 8 or 16 MB SIMM or by adding a SIMM to the second Flash memory socket You can install from 4 to 32 MB of Flash memory The size of the SIMMs in the two Flash memory sockets need not be the same Note Flash memory SIMMs not interchangeable with DRAM SIMMs used in Cisco 3620 and Cisco 3640 routers or SDRAM DIMMs used in Cisco 3631 and Cisco 3660 routers Each Flash memory SIMM socket corresponds to one bank of memory Fill banks starting with 0 and empty banks starting with 1 Bank 0 must always be filled first and emptied last Table 5 6 lists possible Flash memory SIMM configurations and the resulting total Flash memory OL 2056 02 Cisco 3600 Series Hardware Installation Guide Chap
67. ug the power cable Warning Step 2 Step 3 Step 4 Step 5 Step 6 Before opening the chassis disconnect the telephone netw ork cables to avoid contact with telephone netw ork voltages To see translations of the warnings that appear in this publication refer to the Regulatory Compliance and Safety Information document that accompanied this device Remove all network interface cables from the rear panel Place the router so that the front panel is facing you Remove the three screws located on top of the cover near the front edge See Figure 5 1 or Figure 5 2 Set the screws aside in a safe place Lift the front edge of the cover until it clears the front of the chassis See Figure 5 1 or Figure 5 2 Pull the cover toward you until the metal tabs on the rear edge separate from the chassis bottom See Figure 5 1 or Figure 5 2 Lift the cover until it is free from the chassis and set it aside When you are ready to replace the cover see the Replacing the Cover on a Cisco 3620 or Cisco 3640 Router section on page 5 30 Cisco 3600 Series Hardware Installation Guide Em OL 2056 02 Chapter5 Installing Memory in the Router Accessing the Mainboard Figure 5 1 Removing the Cisco 3620 Router Cover Screw Figure 5 2 Removing the Cisco 3640 Router Cover Screw gt Removing the Cisco 3631 Router Cover Step 1 Perform the following procedure to remove the chassis cove

Cisco Systems 3600 OL-2056-02 User's Manual

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