IBM RT User's Setup Manual page 143

H o w t o U s e T h i s B o o k
xvi Options Installation
Read Section 1, "Getting Started" for instructions on removing the
covers from the system units. Read this section when installing
options in a new system or when adding options to a system
already in use.
Both system units are shown in many drawings. Select the
appropriate drawing for reference.
To protect yourself and the equipment, do the steps in order and
carefully read and follow the instructions under the Warning and
Caution notices.
Section 2, "Removing and Installing Drives in the IBM 6150
System Unit" gives instructions for installing the optional
fixed-disk and diskette drives.
The instructions in Section 3, " Installing the Adapters" provide
general information for installing the optional adapters and the
system unit covers.
Section 4, "Processor Options" through Section 8, "Additional
Options" contain the information needed to install the different
optional adapters.
Section 9, "Checking Out the Option Installation" provides a
detailed procedure to ensure that the options you installed have
been recognized by and properly integrated within the system unit.
A Reader's Comment Form and Book Evaluation Form are
provided at the back of this book. Use the Reader's Comment
Form at any time to give IBM information that may improve the
book. After you become familiar with the book, use the Book
Evaluation Form to give IBM specific feedback about the book.