upgrade IOS - flash (read only)

From: Jung, Jin (jin.jung@lmco.com)
Date: Thu Oct 10 2002 - 15:46:32 GMT-3

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Hi all,,

I just purchased some 2500 router for the home lab,,
I was just trying to upgrade the IOS , but it will not erase the flash
files,
Now I found out that flash memory is read-only,,

Is there any way to upgrade this?
I wish I knew,,,,,

System flash directory:
File Length Name/status
1 10225360 /c2500-js-l_120-9.bin
[10225424 bytes used, 6551792 available, 16777216 total]
16384K bytes of processor board System flash (Read ONLY)

r1#erase flash:
Erasing the flash filesystem will remove all files! Continue? [confirm]
%dev_open: System flash not writable
%Error erasing flash: (Device is read-only)
r1#

r1#delete flash:
Delete filename []? /c2500-js-l_120-9.bin
Delete flash:/c2500-js-l_120-9.bin? [confirm]
%Error deleting flash:/c2500-js-l_120-9.bin (Device is read-only)

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