3
Using CompactFlash Memory Cards
OL-5596-01
How to Format CompactFlash Memory Cards
How to Format CompactFlash Memory Cards
This section contains the following procedures:
•
Determining the File System on a CompactFlash Memory Card, page 3
•
Formatting CompactFlash Memory as a Class B Flash File System, page 4
•
Formatting CompactFlash Memory as a Class C File System, page 4
Determining the File System on a CompactFlash Memory Card
To determine the file system of a CF memory card, enter the show flash: all command in privileged
EXEC mode.
•
If geometry and format information does not appear in the output, the card is formatted with a
Class
B flash file system.
•
If geometry and format information appears in the output, the card is formatted with a Class C flash
file system.
The following examples show sample outputs for Class B and Class C flash file systems.
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 c28xx-i-mz
0x40 0xE0FF 0xE0FF
2 14221136 c2800-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 ********
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