http://www.ibm.com/support/docview.wss...
"OS/2 Enhanced IDE Support (IDEDASD) for Warp Server for e-business
Download Description
This package contains device driver updates for Enhanced IDE DASD and CDROM support.
This device driver version is only available to customers with an active contract for Passport Advantage with Software Maintenance. If you have purchased a Passport Advantage contract, the terms and conditions of that contract will determine the services to which you are entitled. For Technical Information, please refer to the following sources:
1. Any README documentation contained within the driver.
2. Technical reference material shipped with your device / system,
3. The Users Guide to OS/2 Warp, and other reference material contained within the OS/2 Warp product,
4. The IBM Software home page for technical support information in your country."
Source: OS2.jp