## Using Your DDK

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### OS/2 DASD Device Manager

Driver Description:

The OS/2 DASD Device Manager is an installable block device driver for DASD (Direct Access Storage Devices) drives. It provides a uniform interface between its clients and adapter device drivers. Clients of the DASD device manager include OS/2 Kernel and File Systems.

Compilers/Assemblers Required:

           Microsoft MASM 5.1  (supplied with the DDK)
           Microsoft C 6.0

Build Instructions:

1.Set the environment variables so the correct tools are picked up during the build.

    e.g., SET PATH=<drive>:\DDK\TOOLS;%PATH%

Where <drive> represents your DDK installed drive and DDK represents the DDK installed directory. On the CD-ROM, the TOOLS directory path is DDK\ TOOLS.

2.Before the FIRST build is attempted, run (only once) the COPYC60.CMD REXX command file in the DDK\TOOLS directory. This command copies the set of needed files from your copy of the Microsoft C 6.0 compiler to the proper directories under the DDK base directory.

    e.g., COPYC60 <MSCdrive>:\'MSC60' <drive>:\DDK

Where <MSCdrive> represents the Microsoft C 6.0 installed drive and 'MSC60' represents the Microsoft C 6.0 installed directory, <drive> represents your DDK installed drive and DDK represents the DDK installed directory.

To build the OS/2 DASD Device Manager:

3.Change the directory to DDK\BASE\SRC\DEV\DASD\OS2DASD.

4.Invoke NMAKE on the resident makefile.

Files Created by Successful Build:

         Directory: \DDK\BASE\SRC\DEV\DASD\OS2DASD

         o  OS2DASD.DMD