IBM 4690 - Manual (Page 26)

Enabling the Feature
After purchasing the feature, you should run the featurization diskette to tell the
operating system that you have purchased it. To enable the feature:
1. With the operating system running, start a Command Mode session.
2. Insert the 4690 Featurization Diskette.
3. Type A:INSTALL
4. Answer the questions and follow the prompts.
5. Place an X by the tape drive feature that describes the feature that you
purchased.
6. Press the Enter key when finished.
7. Review the terminal features and press the Enter key when finished.
Selecting the Correct EIDE Tape Drive
During the boot process the operating system loads a tape driver. The operating
system determines the correct tape driver to load using information gathered when
issuing the TAPESTRS and TAPESTRM commands. To change the selection to the
EIDE TR-4 tape drive:
1. With the operating system running, start a Command Mode session.
2. Type TAPESTRM 5.
3. Follow the instructions, including rebooting the store controller.
4. Boot the store controller using the operating system Supplemental Diskettes.
5. Start a Command Mode session.
6. Type TAPESTRS 5.
7. Follow the instructions, including rebooting the store controller.
Note: This process is automatic if you are using the SCSI tape drive. The
TAPESTRM and TAPESTRS commands are not used with the SCSI tape
drive.
12 TR-4 Tape Drive User’s Guide