Manuals / Cisco Systems / Computer Equipment / Network Router

Cisco Systems 3725 Series Removing SDRAM DIMMs, SDRAMM DIMM Locations in the Cisco 3725 Router

Models: 3745 Series 3725 Series 3600 Series

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Upgrading System Memory in Cisco 3725 Routers

Figure 2 SDRAMM DIMM Locations in the Cisco 3725 Router

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Figure 3 SDRAM DIMM Orientation in the Cisco 3725 Router

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Connector edge

Polarization notches

Alignment holes

Removing SDRAM DIMMs

To remove SDRAM DIMMs, follow these steps:

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

Step 2 On the mainboard, locate SDRAM DIMM sockets 0 and 1. (See Figure 2.)

Upgrading System Memory in Cisco 3700 Series Routers

	OL-5423-02	13

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Cisco Systems 3725 Series, 3600 Series, 3745 Series Removing SDRAM DIMMs, SDRAMM DIMM Locations in the Cisco 3725 Router

Contents

MEM3725-64D=, MEM3725-128D= Product NumbersUpgrading System Memory in Cisco 3700 Series Routers Safety Recommendations, page Tools and Equipment Needed, page Memory Capacities, page Memory Configurations, pageRecovering Compact Flash Memory and System Images, page Memory CapacitiesDynamic Memory Memory ConfigurationsCompact Flash Memory Safety RecommendationsDIMM or SODIMM Total MemoryWarning IMPORTANT SAFETY INSTRUCTIONS Safety WarningsWarning Definition Note SAVE THESE INSTRUCTIONSRemarque CONSERVEZ CES INFORMATIONS Attention IMPORTANTES INFORMATIONS DE SÉCURITÉWarnung WICHTIGE SICHERHEITSANWEISUNGEN Hinweis BEWAHREN SIE DIESE SICHERHEITSANWEISUNGEN AUFMerk TA VARE PÅ DISSE INSTRUKSJONENE Advarsel VIKTIGE SIKKERHETSINSTRUKSJONERAviso INSTRUÇÕES IMPORTANTES DE SEGURANÇA Nota GUARDE ESTAS INSTRUÇÕESWarning Only trained and qualified personnel should be allowed to install, replace, or service this equipment. Statement Safety with Electricity Upgrading System Memory in Cisco 3725 Routers Tools and Equipment NeededPreventing Electrostatic Discharge Damage Removing the Cisco 3725 Router Cover SDRAM DIMM Location and Orientation Replacing Cisco 3725 SDRAMFigure 2 SDRAMM DIMM Locations in the Cisco 3725 Router Removing SDRAM DIMMsFigure 3 SDRAM DIMM Orientation in the Cisco 3725 Router Step 5 If necessary, repeat Step 3 and Step 4 for the other DIMM Step 6 Proceed to the “Installing SDRAM DIMMs” section on pageReplacing CompactFlash Memory Cards Installing SDRAM DIMMs“Replacing CompactFlash Memory Cards” section on page “Replacing the Cisco 3725 Cover” section on pageReplacing the Cisco 3725 Cover Replacing Connections to the Router Upgrading System Memory in Cisco 3745 RoutersRemoving the Cisco 3745 Mainboard Tray Upgrading System Memory in Cisco 3745 Routers Figure 6 Captive Screws on a Cisco 3745 RouterUpgrading System Memory in Cisco 3700 Series Routers OL-5423-02Hinges Figure 7 Removing the Front Panel from a Cisco 3745 RouterFan tray SDRAM SODIMM Location and Orientation Replacing Cisco 3745 SDRAMFigure 9 SDRAMM SODIMM Location in the Cisco 3745 Router Removing SDRAM SODIMMsStep 6 Proceed to the “Installing SDRAM DIMMs” section on page Installing SDRAM SODIMMsMemory module Replacing CompactFlash Memory Cards “Replacing the Cisco 3745 Mainboard” section on pageStep 7 Proceed to either of the following as appropriate “Replacing CompactFlash Memory Cards” section on pageReplacing the Cisco 3745 Mainboard Access door Figure 13 Installing the Front Panel on a Cisco 3745 RouterHinges Front panelFigure 14 Captive Screws on a Cisco 3745 Router Replacing Connections to the RouterObtaining Documentation Using the xmodem CommandCisco.com Recovering Compact Flash Memory and System ImagesObtaining Technical Assistance Documentation FeedbackOrdering Documentation Cisco Technical Support WebsiteDefinitions of Service Request Severity Submitting a Service RequestObtaining Additional Publications and Information http//cisco.com/univercd/cc/td/doc/pcat