Manuals / Cisco Systems / Computer Equipment / Network Router

Cisco Systems 3745 Series, 3600 Series Proceed to the “Installing SDRAM DIMMs” section on page

Models: 3745 Series 3725 Series 3600 Series

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Step 5 If necessary, repeat Step 3 and Step 4 for the other DIMM.

Upgrading System Memory in Cisco 3725 Routers

Caution Handle the DIMM by the nonconnector edges only; do not press on the center. Handle carefully. DIMMs are ESD-sensitive components and can be damaged by mishandling.

Step 3 Remove the DIMM by pushing the locking spring clips on both sides outward. This ejects the DIMM from its socket. (See Figure 4.)

Figure 4 Removing and Installing SDRAM DIMMs in the Cisco 3725 Router

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Locking spring clips

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

Step 5 If necessary, repeat Step 3 and Step 4 for the other DIMM.

Step 6 Proceed to the “Installing SDRAM DIMMs” section on page 15.

Upgrading System Memory in Cisco 3700 Series Routers

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Cisco Systems 3745 Series, 3600 Series, 3725 Series manual Proceed to the “Installing SDRAM DIMMs” section on page

Contents

Upgrading System Memory in Cisco 3700 Series Routers Product NumbersMEM3725-64D=, MEM3725-128D= Recovering Compact Flash Memory and System Images, page Memory Capacities, page Memory Configurations, pageSafety Recommendations, page Tools and Equipment Needed, page Memory CapacitiesMemory Configurations Dynamic MemoryDIMM or SODIMM Safety RecommendationsCompact Flash Memory Total MemoryWarning Definition Safety WarningsWarning IMPORTANT SAFETY INSTRUCTIONS Note SAVE THESE INSTRUCTIONSWarnung WICHTIGE SICHERHEITSANWEISUNGEN Attention IMPORTANTES INFORMATIONS DE SÉCURITÉRemarque CONSERVEZ CES INFORMATIONS Hinweis BEWAHREN SIE DIESE SICHERHEITSANWEISUNGEN AUFAviso INSTRUÇÕES IMPORTANTES DE SEGURANÇA Advarsel VIKTIGE SIKKERHETSINSTRUKSJONERMerk TA VARE PÅ DISSE INSTRUKSJONENE Nota GUARDE ESTAS INSTRUÇÕESWarning Only trained and qualified personnel should be allowed to install, replace, or service this equipment. Statement Safety with Electricity Preventing Electrostatic Discharge Damage Tools and Equipment NeededUpgrading System Memory in Cisco 3725 Routers Removing the Cisco 3725 Router Cover Replacing Cisco 3725 SDRAM SDRAM DIMM Location and OrientationFigure 3 SDRAM DIMM Orientation in the Cisco 3725 Router Removing SDRAM DIMMsFigure 2 SDRAMM DIMM Locations in the Cisco 3725 Router Step 6 Proceed to the “Installing SDRAM DIMMs” section on page Step 5 If necessary, repeat Step 3 and Step 4 for the other DIMM“Replacing CompactFlash Memory Cards” section on page Installing SDRAM DIMMsReplacing CompactFlash Memory Cards “Replacing the Cisco 3725 Cover” section on pageReplacing the Cisco 3725 Cover Removing the Cisco 3745 Mainboard Tray Upgrading System Memory in Cisco 3745 RoutersReplacing Connections to the Router Upgrading System Memory in Cisco 3700 Series Routers Figure 6 Captive Screws on a Cisco 3745 RouterUpgrading System Memory in Cisco 3745 Routers OL-5423-02Fan tray Figure 7 Removing the Front Panel from a Cisco 3745 RouterHinges Replacing Cisco 3745 SDRAM SDRAM SODIMM Location and OrientationRemoving SDRAM SODIMMs Figure 9 SDRAMM SODIMM Location in the Cisco 3745 RouterMemory module Installing SDRAM SODIMMsStep 6 Proceed to the “Installing SDRAM DIMMs” section on page Step 7 Proceed to either of the following as appropriate “Replacing the Cisco 3745 Mainboard” section on pageReplacing CompactFlash Memory Cards “Replacing CompactFlash Memory Cards” section on pageReplacing the Cisco 3745 Mainboard Hinges Figure 13 Installing the Front Panel on a Cisco 3745 RouterAccess door Front panelReplacing Connections to the Router Figure 14 Captive Screws on a Cisco 3745 RouterCisco.com Using the xmodem CommandObtaining Documentation Recovering Compact Flash Memory and System ImagesOrdering Documentation Documentation FeedbackObtaining Technical Assistance Cisco Technical Support WebsiteObtaining Additional Publications and Information Submitting a Service RequestDefinitions of Service Request Severity http//cisco.com/univercd/cc/td/doc/pcat