>А что говорит sh ver и sh file sys ?

router#sh ver
Cisco Internetwork Operating System Software
IOS (tm) 3600 Software (C3640-IS-M), Version 12.3(15), RELEASE SOFTWARE (fc3)
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2005 by cisco Systems, Inc.
Compiled Tue 24-May-05 16:28 by ssearch
Image text-base: 0x60008B00, data-base: 0x61BF2000

ROM: System Bootstrap, Version 11.1(20)AA2, EARLY DEPLOYMENT RELEASE SOFTWARE (fc1)
ROM: 3600 Software (C3640-IS-M), Version 12.3(15), RELEASE SOFTWARE (fc3)

router uptime is 2 hours, 40 minutes
System returned to ROM by reload
System image file is "flash:c3640-is-mz.123-15.bin"

cisco 3640 (R4700) processor (revision 0x00) with 124928K/6144K bytes of memory.
Processor board ID 15172035
R4700 CPU at 100MHz, Implementation 33, Rev 1.0
Bridging software.
X.25 software, Version 3.0.0.
SuperLAT software (copyright 1990 by Meridian Technology Corp).
4 FastEthernet/IEEE 802.3 interface(s)
DRAM configuration is 64 bits wide with parity disabled.
125K bytes of non-volatile configuration memory.
24576K bytes of processor board System flash (Read/Write)

Configuration register is 0x2142

router#sho fil sys
File Systems:

     Size(b)     Free(b)      Type  Flags  Prefixes
           -           -    opaque     rw   system:
           -           -     nvram     rw   nvram:
           -           -    opaque     rw   null:
           -           -   network     rw   tftp:
*   25165820     7018708     flash     rw   flash:
           -           -     flash     rw   slot0:
           -           -     flash     rw   slot1:
           -           -    opaque     ro   xmodem:
           -           -    opaque     ro   ymodem:
           -           -   network     rw   rcp:
           -           -   network     rw   pram:
           -           -   network     rw   ftp:
           -           -    opaque     ro   cns:

router#
*Mar  1 02:41:03.823: %SYS-4-NV_BLOCK_INITFAIL: Unable to initialize the geometry of nvram
*Mar  1 02:41:03.987: %SYS-4-NV_BLOCK_INITFAIL: Unable to initialize the geometry of nvram