## Storage Device Driver Reference

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### Summary of Changes

The following changes have been made:

Added a new chapter, Optical IOCtl Device Driver Test Tool.

Removed chapters on Device Driver Test Tools, which described the 16-bit support: DASD IOCtl, DASD ADD, SCSI IOCtl, SCSI ADD, and CD-ROM.

Added replacement chapters, describing the 32-bit support, for DASD IOCtl and CD-ROM Device Driver Test Tools.