[c-nsp] More than 128M CF on C1800 router?

Erik Soosalu erik.soosalu at calyxinc.com
Wed Nov 24 08:04:51 EST 2010


Don't hot insert the flash - *bad* things happen.  Always insert with
the router powered down, but 2GB cards work fine.

rt-02#sh ver
Cisco 1841 (revision 7.0) with 118784K/12288K bytes of memory.
2 FastEthernet interfaces
1 ATM interface
DRAM configuration is 64 bits wide with parity disabled.
191K bytes of NVRAM.
2000880K bytes of ATA CompactFlash (Read/Write)

rt-02#sh flash: filesys
******** ATA Flash Card Geometry/Format Info ********

ATA CARD GEOMETRY
   Manufacturer Name
   Model Number           SanDisk SDCFH2-002G
   Serial Number          116905E0509S3212
   Firmware Revision      HDX 4.32
   Number of Heads        16
   Number of Cylinders    3970
   Sectors per Cylinder   63
   Sector Size            512
   Total Sectors          4001760

ATA PARTITION 1 INFO
   Start Sector           63
   Number of Sectors      4001697
   Size in Bytes          2048868864
   File System Type       FAT16
   Number of FAT Sectors  245
   Sectors Per Cluster    64
   Number of Clusters     62514
   Number of Data Sectors 4000896
   Base FAT Sector        238
   Base Root Sector       728
   Base Data Sector       760

ATA MONLIB INFO
   Image Monlib size      117868
   Disk Monlib Size       117740
   Disk Space Available   121344
   Name                   piptom-atafslib-m
   Start sector           2
   End sector             231
   Updated By             C1841-BROADBAND-M12.4(24)T
   Version                2


The card in this router is a SanDisk Ultra II 2GB.  I've also used
Transcend 2GB cards.

Thanks,
Erik

-----Original Message-----
From: cisco-nsp-bounces at puck.nether.net
[mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Nick Hilliard
Sent: Wednesday, November 24, 2010 6:18 AM
To: Mikael Abrahamsson
Cc: cisco-nsp at puck.nether.net
Subject: Re: [c-nsp] More than 128M CF on C1800 router?

On 24/11/2010 11:13, Mikael Abrahamsson wrote:
> When I last inserted a larger than 128M CF card into a 12.2(24)T2
running
> 1841 it crashed and rebooted and then failed to boot properly.
>
> So no, as far as I know, it's not supported and it actually doesn't
work.

meh, annoying.  For some reason, 64Mb cards are easy to get, and 256M
too. 
  Just not 128M cards.

Nick

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