
System Software Diagnostics Guide — September 2006 27
4
4.Checking DM3 Architecture
Boards
This chapter provides procedures for checking the Intel NetStructure
®
on DM3 architecture
hardware and firmware in your system.
• Preparations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
• Checking an Individual Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
• Checking all the Boards in a System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
• Unsupported Boards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
• Tracing Firmware . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
• Diagnosing a Control Processor or Signal Processor Fault on a Board . . . . . . . . . . . . 29
4.1 Preparations
To find out which boards are in your system and which slots they are in, on Windows systems you
can use the Configuration Manager (DCM) and on Linux systems you can run
./config.sh to
get the board configuration tool. In both cases, the main menu will provide information about the
boards.
4.2 Checking an Individual Board
This section provides a procedure for using the DM3post tool to check an individual DM3
architecture board at any time to detect and isolate possible hardware faults. For more information
on this tool, refer to Chapter 17, “DM3post Reference”.
To use the DM3post tool to check a DM3 board, follow this procedure:
1. Make sure the board is in a “Stopped” state. This is necessary because DM3post will reset the
specified board, forcing the Control Processor (CP) POST diagnostics to run.
DM3post will then retrieve the POST results from the SRAM and provide a PASS/FAIL
indication. The board will remain in a stopped state and you will be required to restart the
board.
2. Run the DM3post command, specifying the slot and bus number of the board. For example,
the following command runs the DM3post tool on a board in slot 17, bus 0:
dm3post -s17 -b0
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