Cisco MWR-1941-DC-2T1 Hardware Installation Guide - Page 55
Formatting Procedures for CF Memory Cards
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Chapter 3 Installing the Router Replacing or Upgrading the CF Formatting Procedures for CF Memory Cards For the Cisco MWR 1941-DC router, Cisco recommends that you format/erase new CF memory cards to initialize them with a Class C Flash file system. This ensures proper formatting and enables the ROM monitor to recognize and boot the Flash. The Class C Flash file system is similar to the standard DOS file system; however, a CF memory card formatted with the standard DOS file system does not support booting from the ROM monitor. Formatting CF Memory as a DOS File System To format a new external CF memory card, or to remove the files from a previously installed external CF memory card, enter the format slot0: command. The following example shows output for formatting a CF memory card formatted with a Class C Flash file system: Router# format slot0: Format operation may take a while. Continue? [confirm] Format operation will destroy all data in "slot0:". Continue? [confirm] Enter volume ID (up to 64 chars)[default slot0]: Current Low End File System flash card in flash will be formatted into DOS File System flash card! Continue? [confirm] Format:Drive communication & 1st Sector Write OK... Writing Monlib sectors 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 78-15827-06B0 Cisco MWR 1941-DC Mobile Wireless Edge Router Hardware Installation Guide 3-15