Cisco 2951 - Formatting Compactflash Memory as a Class C File System

B-3
Cisco 3900 Series, Cisco 2900 Series, and Cisco 1900 Series Integrated Services Routers Generation 2 Software Configuration Guide
Appendix B Using CompactFlash Memory Cards
How to Format CompactFlash Memory Cards
External Card with Class B Flash File System: Example
The geometry and format information does not appear.
Router# show flash: all
Partition Size Used Free Bank-Size State Copy
Mode
1 125184K 20390K 104793K 0K Read/Write
Direct
System Compact Flash directory:
File Length Name/status
addr fcksum ccksum
1 6658376 c29xx-i-mz
0x40 0xE0FF 0xE0FF
2 14221136 c2900-telcoent-mz
0x6599C8 0x5C3D 0x5C3D
[20879640 bytes used, 107308776 available, 128188416 total]
125184K bytes of ATA System Compact Flash (Read/Write)
Chip information NOT available.
External Card with Class C Flash File System: Example
The geometry and format information is displayed in this format.
Router# show flash: all
-#- --length-- -----date/time------ path
1 6658376 Mar 01 2004 04:27:46 c28xx-i-mz
25268224 bytes available (6664192 bytes used)
******** ATA Flash Card Geometry/Format Info ********
ATA CARD GEOMETRY
Number of Heads: 4
Number of Cylinders 490
Sectors per Cylinder 32
Sector Size 512
Total Sectors 62720
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 C File System
Use the format flash0: command in privileged EXEC mode to:
• Format CF memory cards with a Class C flash file system
• Remove the files from a CF memory card previously formatted with a Class C flash file system