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Installing and Formatting Cisco 2691, Cisco 3631 and Cisco 3700 CompactFlash Memory Cards
78-13892-03
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 ...................................................................