Cisco - Hardware Troubleshooting for Cisco 1700 Series Routers
Router boots in ROMmon; no error messages on the
console
Router boots in boot mode; no error messages on the
console
Router boots in boot mode, with the following messages
on the console:
getdevnum warning: device "PCMCIA slot 1" has
size of zero
getdevnum warning: device "PCMCIA slot 1" has
size of zero
pen: read error...requested 0x4 bytes, got 0x0
trouble reading device magic number
boot: cannot open "flash:"
boot: cannot determine first file name on
device "flash:"
Router boots in boot mode, with the following messages
on the console:
device does not contain a valid magic
number
boot: cannot open "flash:"
boot: cannot determine first file name on
device "flash:"
http://kbase:8000/paws/servlet/ViewFile/17959/hwts_1700_17959.xml?convertPaths=1
rommon 2 > reset
If the router remains in ROMmon, follow the
procedure described in
ROMmon Recovery for the
Cisco 1700 Series
Router.
Set the configuration register to 0x2102 and reload
the router. There is no need to save the running
configuration before reloading:
router(boot)#configure terminal
Enter configuration commands,
one per line. End with CNTL/Z.
router(boot)(config)#config-register 0x2102
router(boot)(config)#end
router(boot)#reload
System configuration has been modified.
Save? [yes/no]: no
Proceed with reload? [confirm]
Note: The config-register command is the only
Cisco IOS software configuration command that
doesn't get saved in nonvolatile RAM (NVRAM). It
changes the configuration register immediately, but
this only takes effect during the next boot.
The Flash card is removed or badly inserted. Verify
the presence of the Flash card by running the
flash command:
router(boot)#show flash
%Device in REMOVED state
Insert or reseat the Flash. If the problem persists,
replace the Flash card. If that doesn't resolve the
problem, replace the router.
The Flash is empty or the filesystem is corrupted.
Copy a valid image on the Flash, and while copying,
you will be prompted to erase the old Flash (if one
exists). Then reload the router.
Refer to
Software Installation and Upgrade
Procedures
for instructions on how to copy a valid
image onto the Flash.
This message only occurs when loading images that
run from RAM. Since 1700 routers support images
Page 7 of 12
01/10/2004
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