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A printed version of this document is an uncontrolled copy. Company Confidential
Installing and Formatting Cisco 2691, Cisco 3631
and Cisco 3700 CompactFlash Memory Cards
Product Numbers: MEM2691-32CF=, MEM2691-64CF=, MEM2691-128CF=, MEM3631-32CF=, MEM3631-64CF=,
MEM3631-128CF=, MEM3725-32CF=, MEM3725-64CF=, MEM3725-128CF=, MEM3745-32CF=, MEM3745-64CF=,
MEM3745-128CF=
This document describes how to install Cisco 2691, Cisco 3631, and Cisco 3700 CompactFlash memory
cards in Cisco modular routers which use Cisco 2691, Cisco 3631, or Cisco 3700 CompactFlash
memory. This document also contains procedures for formatting the CompactFlash cards with a Class B
Flash file system (low end file system) or a Class C Flash file system (similar to DOS), and it describes
how to perform file and directory operations in each file system. Some Cisco routers have an external
CompactFlash memory card that resides in a slot in the rear panel; some have an internal CompactFlash
memory card that mounts on a connector on the CPU/mainboard; and some have both. Cisco 2691,
Cisco 3631, and Cisco 3700 CompactFlash memory cards are available with 32, 64, or 128 MB of
memory.
Use this document with the Cisco 2600 Series, 3600 Series, and 3700 Series Regulatory Compliance and
Safety Information document, which shipped with your router. If you have questions or need help, refer
to the “Obtaining Documentation” section on page 31.
This document contains the following sections:
• Preventing Electrostatic Discharge Damage, page 2
• External CompactFlash Memory Card Installation and Removal, page 2
• Internal CompactFlash Memory Card Installation and Removal, page 4
• Formatting Procedures for CompactFlash Memory Cards, page 20
• File and Directory Procedures, page 23
• Obtaining Documentation, page 31
• Obtaining Technical Assistance, page 32