Cisco Support Community
cancel
Showing results for 
Search instead for 
Did you mean: 
Announcements

Welcome to Cisco Support Community. We would love to have your feedback.

For an introduction to the new site, click here. If you'd prefer to explore, try our test area to get started. And see here for current known issues.

New Member

1841 in Rommon mode refuses to erase flash or no option

Hi guys

Please can you assist i am presently trying to recover an 1841 from rommon mode by using xmodem but it keeps giving the following, Will paste in actual text from router

"rommon 12 > xmodem -c c1841-ipbasek9-mz.124-11.XJ4.bin

Do not start the sending program yet...

dir: cannot open device "flash:"

WARNING: All existing data in flash will be lost!

Invoke this application only for disaster recovery.

Do you wish to continue? y/n [n]: y

ERR: Not enough memory to download image

rommon 13 >"

I know what you thinking but when you do meminfo the 128mg dram is there no

problem.

Please can you assist

10 REPLIES

Re: 1841 in Rommon mode refuses to erase flash or no option

Can you verify (physically) there is a flash card in the router? If there is try the following command "dir". It should list the files in flash. If you continue to get the above error, try replacing the flash card with a known working one. I recently had a bad one and I got a similar error.

HTH

New Member

Re: 1841 in Rommon mode refuses to erase flash or no option

Thanks for your prompt response

I have 2 of these routers and I hope that thats not the problem.

Both 1841 have they standard 128dram card in bank0: please look below

-------------------------------------------------

Current Memory configuration is:

Onboard SDRAM: Size = 128 MB : Start Addr = 0x00000000

-----Bank 0 128 MB

-----Bank 1 0 MB

Dimm 0: Not Installed

-------------------------------------------------

Main memory size: 128 MB in 64 bit mode.

Available main memory starts at 0xa0015000, size 130988KB

Smart Init is enabled.

NVRAM size: 191KB

rommon 4

Re: 1841 in Rommon mode refuses to erase flash or no option

That's the DRAM (router memory), not the flash memory (where the IOS image is stored). You will have a compact flash storage area in the front of the router. Check this link for a diagram.

http://cisco.com/en/US/docs/routers/access/1800/1841/hardware/installation/guide/18comp.html#wp36391

Specifically look at #4. You can try reseating the card too, maybe it shook loose a bit.

New Member

Re: 1841 in Rommon mode refuses to erase flash or no option

Hi Mate

Tried all of the above , have ejected the flash card and swapped them with the other router no joy

Re: 1841 in Rommon mode refuses to erase flash or no option

What happens on the "dir"?

Purple

Re: 1841 in Rommon mode refuses to erase flash or no option

What does "dir flash: show ? Post here .

New Member

Re: 1841 in Rommon mode refuses to erase flash or no option

Hi guys

Thanks for all your effort takign major strain to get this sorted .

Bascially when you do dir flash:

says can read flash

New Member

Re: 1841 in Rommon mode refuses to erase flash or no option

thaqs: Do you get something like the below output when you do a "dir flash" ?

Router#dir flash:

Directory of flash:/

1 -rw- 15195020 May 27 2006 22:07:30 -06:00 c1841-advsecurityk9-mz.123-8.T5.bin

2 -rw- 840 Feb 4 2005 18:35:10 -06:00 vlan.dat

3 -rw- 17538500 May 27 2006 21:56:18 -06:00 c1841-advsecurityk9-mz.124-8.bin

63889408 bytes total (31150080 bytes free)

Router#

New Member

Re: 1841 in Rommon mode refuses to erase flash or no option

Hi guys

Here is teh output from teh flash its a mem1800-32cf card

"eadonly ROMMON initialized

rommon 1 > dir flash:

dir: cannot open device "flash:"

rommon 2 >"

it refused to read anything from the flash and i can,t do an upload via console cable as complains below

rommon 1 > xmodem -c c1841-ipbasek9-mz.124-11.XJ4.bin

Do not start the sending program yet...

dir: cannot open device "flash:"

WARNING: All existing data in flash will be lost!

Invoke this application only for disaster recovery.

Do you wish to continue? y/n [n]: y

ERR: Not enough memory to download image

rommon 2 >

Re: 1841 in Rommon mode refuses to erase flash or no option

Do you have a smartnet contract for this device? It might be time for you to call cisco.

2870
Views
0
Helpful
10
Replies