## Using Your DDK

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### OS/2 for Windows Refresh Debug Kernel

Tool Description:

The OS/2 for Windows Refresh Debug Kernel is a special kernel that is required if your system is running OS/2 for Windows MR1 version. Please note that installation of this debug kernel requires more steps than that of the other debug kernels.

To install, place the DDK CD-ROM into the CD-ROM drive and enter the following commands from the command line:

        d:

        cd \DDK\MISCTOOL\KDEBUG\DEBUG

        CDINST d c

Where: d: is the drive letter of the DDK CD-ROM or the remote disk containing all levels of the OS/2 Debug Kernel.

c: is the drive letter where OS/2 2.x is installed.

After CDINST completes without errors, enter the following commands before shutting down and rebooting the system, in order to install the correct level of files required for debugging support.

         ATTRIB -S -H -A -R C:\OS2KRNL

         COPY D:\DDK\MISCTOOL\KDEBUG\DEBUG\Z_629\OS2KRNLD C:\OS2KRNL

         ATTRIB +S +H +A +R C:\OS2KRNL

         COPY D:\DDK\MISCTOOL\KDEBUG\DEBUG\Z_629\OS2KRNL.SYM C:\

         XCOPY D:\DDK\MISCTOOL\KDEBUG\DEBUG\Z_629\OS2 C:\OS2 /S /V

Where: D is the drive letter of the DDK CD-ROM or the remote disk containing all levels of the OS/2 Debug Kernel.

C is the drive letter where OS/2 2.x is installed.

Now shut down and reboot the system in order for the changes to take effect .