This is just a stab int he dark, but could it be that you need new PROMs to get the router to see em? I know this was an issue on 2600s...
Jonathan On Sun, Feb 24, 2008 at 11:24 PM, Travis <[EMAIL PROTECTED]> wrote: > I purchased 2 new flash SIMMs to upgrade a 3640 from 8MB to 32MB and I'm > having trouble getting them to work. I'm to the point now where I'm thinking > they are just for the wrong platform but I'm seeking advice before I attempt > to have them exchanged in case I'm missing something. > > > > When the router boots with the new flash SIMMs in I get the following > errors: > > > > unknown flash device - mandev code = 0xffff > > cannot read flash info > > getdevnum warning: device "flash" has size of zero > > unknown flash device - mandev code = 0xffff > > cannot read flash info > > getdevnum warning: device "flash" has size of zero > > open: read error...requested 0x4 bytes, got 0x0 > > trouble reading device magic number > > boot: cannot open "flash:" > > > > and then it dumps me to rommon. When I try to copy an image over via Xmodem > it responds with insufficient space for the ios image after it tries to > erase the flash and won't even let me start the transfer. > > > > The odd thing is I can put in ONE 16MB SIMM in the second flash socket and > leave the original 8MB SIMM in the first socket and the router boots just > fine and shows 24MB of flash memory. If I replace that 8MB and use BOTH 16MB > SIMMs then it dumps the above error. Same result if I try just one of 16MB > in the first socket alone - dumps errors and shows 0 bytes on the flash. > > > > I read some very dated solution to a similar problem where a somebody had > done some partitioning to make it work but I can't seem to get that to work > either. however, I've never played with flash partitioning in IOS either so > I could be doing something wrong. I booted with the 8MB in the first slot > and the new 16MB in the second slot. I then created 2 new partitions, one > that was 8MB and one that was 16MB and then copied the boot files to the > 16MB partition so the 8 and 16 were equal, however, it did not work. I got > the same errors upon boot when I tried the 16MB all by itself again. > > > > Any help or advice would be appreciated. Thanks in advance! > > > > > > Travis > > _______________________________________________ > cisco-nsp mailing list [email protected] > https://puck.nether.net/mailman/listinfo/cisco-nsp > archive at http://puck.nether.net/pipermail/cisco-nsp/ > _______________________________________________ cisco-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/
