1841 Cannot read EEprom

Philipp Hoeffker · ‎05-10-2011

Hello,

i have a 1841 Router that hang up @ boot.

Output:

program load complete, entry point: 0x8000f000, size: 0xcb80

program load complete, entry point: 0x8000f000, size: 0xcdc3e0

Self decompressing the image : ############################################################################################################################### [OK]

Smart Init is enabled

smart init is sizing iomem

ID MEMORY_REQ TYPE

Unable to read eeprom

0X000F3BB0 public buffer pools

0X00211000 public particle pools

0X000021B8 Onboard USB

If any of the above Memory Requirements are

"UNKNOWN", you may be using an unsupported

configuration or there is a software problem and

system operation may be compromised.

Allocating additional 8295928 bytes to IO Memory.

PMem allocated: 120586240 bytes; IOMem allocated: 13631488 bytes

Restricted Rights Legend

Use, duplication, or disclosure by the Government is
subject to restrictions as set forth in subparagraph
(c) of the Commercial Computer Software - Restricted
Rights clause at FAR sec. 52.227-19 and subparagraph
(c) (1) (ii) of the Rights in Technical Data and Computer
Software clause at DFARS sec. 252.227-7013.

           cisco Systems, Inc.
           170 West Tasman Drive
           San Jose, California 95134-1706

Cisco IOS Software, 1841 Software (C1841-IPBASE-M), Version 12.3(8)YG4, RELEASE SOFTWARE (fc1)
Synched to technology version 12.3(10.3)T2
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2006 by Cisco Systems, Inc.
Compiled Thu 04-May-06 00:15 by ealyon
Image text-base: 0x60075904, data-base: 0x61380000

After i look @ the cookie

Output

Readonly ROMMON initialized

rommon 1 > cookie

cookie:

04 ff 09 86 ff ff ff ff ff ff ff ff ff ff ff ff

4f 43 31 32 35 32 35 47 46 46 40 04 1b 41 07 00

82 49 1f ff 08 42 45 30 c0 46 03 20 00 5b 8a 06

88 00 00 00 00 02 04 c6 8a 49 50 4d 37 57 30 30

43 52 41 03 00 81 00 00 00 00 04 00 cb 89 43 49

53 43 4f 31 38 34 31 89 56 30 35 20 d9 02 c1 40

09 86 c2 8b 46 43 5a 31 33 30 36 39 31 38 54 ff

ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff

I thik the eeprom is killed but is there a way to restore it ?

Philipp

paolo bevilacqua · ‎05-10-2011

If there is, is not publicily disclosed. Buy a support contract and have the unit replaced.