Chapter 5 Installing Memory in the Router
Installing and Formatting Compact Flash Memory Cards in Cisco 3631 Routers
Step 4 | Reinstall the cover screws. |
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Step 5 | Reinstall the chassis on a rack or desktop. |
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Step 6 | Reconnect network interface cables. |
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Step 7 | Power ON the router. |
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Warning | After wiring the DC power supply, remove the tape from the circuit breaker switch handle and |
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| reinstate power by moving the handle of the circuit breaker to the ON position. To see translations |
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| of the various warnings that appear in this publication, refer to the Regulatory Compliance and |
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| Safety Information document that accompanied this device. |
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Formatting Procedures for Compact Flash Memory Cards
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| Cisco recommends that you format new Compact Flash memory cards to initialize them with either a | ||||||
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| Class B Flash file system or a Class C Flash file system. This ensures proper formatting and enables the | ||||||
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| ROM monitor to recognize and boot the Flash. | ||||||
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| The Class B Flash file system is also known as the low end file system (LEFS). | ||||||
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| The Class C Flash file system is similar to the standard DOS file system. | ||||||
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| Note | A Compact Flash memory card formatted with the standard DOS file system does not support booting | ||||||||
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| from the ROM monitor. |
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Determining the File System on a Compact Flash Memory Card | ||||||||||
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| To determine the file system of a Compact Flash memory card in a Cisco 3631, enter the show flash: | ||||||
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| If the content of the Compact Flash memory card displays, the card was formatted with a Class B Flash | ||||||
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| file system. If the geometry and format information of the card displays, the card was formatted with a | ||||||
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| Class C Flash file system. | ||||||
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| The following example shows output for an internal Compact Flash memory card formatted with a | ||||||
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| Class C Flash file system: | ||||||
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| Router# show flash: |
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| ******** ATA Flash Card Geometry/Format Info ******** | ||||||
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| ATA CARD GEOMETRY |
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| Number of Heads: | 2 |
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| Number of Cylinders | 490 |
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| Sectors per Cylinder | 32 |
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| Sector Size | 512 |
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| Total Sectors | 31360 |
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| ATA CARD FORMAT |
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| Number of FAT Sectors | 12 |
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| Sectors Per Cluster | 8 |
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| Number of Clusters | 3885 |
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| Number of Data Sectors | 31264 |
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| Base Root Sector | 152 |
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| Cisco 3600 Series Hardware Installation Guide |
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