March 2002

Formatting Procedures for CompactFlash Memory Cards

ATA CARD FORMAT

 

Number of

FAT Sectors

31

Sectors Per Cluster

8

Number of

Clusters

7796

Number of

Data Sectors

62560

Base Root

Sector

155

Base FAT Sector

93

Base Data

Sector

187

Formatting CompactFlash Memory as a Class B Flash File System

Use these formatting commands to:

Format CompactFlash memory cards with a Class B Flash file system (LEFS)

Remove the files from a CompactFlash memory card previously formatted with a Class B Flash file system

For external CompactFlash memory cards, enter the erase slot0: command.

For internal CompactFlash memory cards, enter the erase flash: command.

The following example shows output for formatting an external CompactFlash memory card with a Class B Flash file system:

Router# erase slot0:

Erasing the slot0 filesystem will remove all files! Continue? [confirm] Current DOS File System flash card in slot0: will be formatted into Low End File System flash card! Continue? [confirm]

Erasing device...

eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee

...erased

Erase of slot0: complete

Formatting CompactFlash Memory as a Class C File System

Use these formatting commands to:

Format CompactFlash memory cards with a Class C Flash file system

Remove the files from a CompactFlash memory card previously formatted with a Class C Flash file system

 

 

 

For external CompactFlash memory cards, enter the format slot0: command.

 

 

 

For internal CompactFlash memory cards, enter the format flash: command.

 

 

 

The following example shows output for formatting an internal CompactFlash memory card with a

 

 

 

Class C Flash file system:

 

 

 

Router# format flash:

 

 

 

Format operation may take a while. Continue? [confirm]

 

 

 

Format operation will destroy all data in "flash:". Continue? [confirm]

 

 

 

Enter volume ID (up to 64 chars)[default flash]:

 

 

 

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

 

 

 

Installing and Formatting Cisco 2691, Cisco 3631 and Cisco 3700 CompactFlash Memory Cards

 

 

 

 

 

 

 

 

 

22

78-13892-03

 

 

 

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Cisco Systems 3631 Formatting CompactFlash Memory as a Class C File System, Router# erase slot0, Router# format flash