The Content Switch Module (CSM) hardware is changing the version of the network processors used in the hardware design. This change is taking the chips from a C version to a D version. There is no change in the functionality of the board, but the new boards require a change in software to boot. The CSM software images 2.1(4) and later, 2.2(4) and later, and 3.1(1) and later have the necessary changes to run either version of CSM modules. The images earlier than these versions do not support the new version of hardware. The CSMs with D version chips began to ship in December 2002. All existing CSMs that were shipped before this time can run all versions of CSM software.
The CSM hardware is changing the version of the network processors used in the hardware design. This change is taking the chips from a C version to a D version.
If a software version without the needed changes is loaded onto a CSM with D version chips, the CSM displays this error message:
The image to which you are downloading is not supported on this version of hardware. You will need to choose a more recently released image to run on this hardware. Hardware Version: 4 Image supports D0: false
Load a CSM software image that is compatible with both C version and D version modules. Those images can be downloaded from Cisco.com and include 2.1(2a), 2.1(3a), 2.1(4), 2.1(5), 2.2(1a), 2.2(2b), 2.2(3a), 2.2(4), 2.2(5), 2.2(6), and 3.1(1). All CSM images posted to Cisco.com as of November 15, 2002 are compatible with all versions of CSM hardware.
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