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How do a Format a Cisco 256MB Compact flash card using My Compact flash card in my PC>

Posted on 2009-07-07
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Last Modified: 2012-08-14
When I insert my Cisco Compact flash card into my PC and try and format it, I recieve a message stating "Windows was unable to complete the format"  Its doesn't even try to format, as soon as I click start, I get that message.  Unfortunately I do not have a router here with a compact flash card reader to test formatting it that way, the router is off site.  Does anyone know why I wouldn't be able to format the flash card from my PC?  Thanks.
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Question by:Crossroads305
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by:Istvan Kalmar
ID: 24796528
Hi,

You must format this card on the router, if you format in the pc you not able to use it!

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Author Comment

by:Crossroads305
ID: 24796767
I got the below document from Cisco that states I can usa a PC to format the flash card:  I am using a cisco 2811 Router
http://www.cisco.com/en/US/docs/routers/access/1800/1841/software/configuration/guide/b_cflash.pdf
Cisco 3800 Series Routers and Cisco 2800 Series Routers (Except for Cisco 2801 Routers)
" Support Class B and Class C flash file systems.
" Support only external CF memory cards.
" If you use a PC to format the CF memory cards, you can format the cards with the Microsoft 16-bit
File Allocation Table (FAT16), Microsoft 32-bit File Allocation Table (FAT32), or Microsoft
Windows NT file system (NTFS). Alternatively, you can format the CF memory card on the router.

This is why I was trying to format the flash card in my PC.  I am trying to get this flash ready for a router off site and don't have another router here with a external flash card reader to format  the flash so I can load an IOS on it.  So your saying it won't work in a PC?  Thanks.

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by:Crossroads305
ID: 24802569
If I take the current flash card out of my 2811 Router, will the router still route traffic even if the flash is taken out.  I am curious because I want to test my new flash card to ensure it works, and see if it will format on the router, but I don't want to interrupt users and cause any down time.
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Istvan Kalmar earned 500 total points
ID: 24802787
Don't worry about it is hot swapable:)
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by:Crossroads305
ID: 24802836
So users shouldn't notice me swapping the flash card and formating the new one correct?  Just as long as I don't reboot?
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