IBM 6151 Maintenance And Service Manual page 19

About This Book
This manual provides service information about the
IBM
6151
System Unit, adapters, and attached devices that do not have their
own service information. This manual does not contain service
information about attached printing and plotting devices.
Users of this manual should have training on the
IBM
6151 System
Unit.
This manual is divided into sections to make the information easier
to find. A three or four-digit code is used in the page numbering of
some sections to make future updating easier.
Section 1, "System Description" contains a brief description of the
system unit, keyboard, and display.
Section 2, "Diagnostics" contains descriptions of the diagnostic
programs, utilities, and the service request number.
Section 3, "Problem Isolation Charts" contains the service
procedures used to isolate failures to a field-replaceable unit.
Section 4, "Removal and Replacement Procedures" contains the
locations, removal procedures, and replacement procedures. These
procedures may direct you to another section for specific details
such as switch settings, jumper settings, or terminator resistor
settings.
Section 5, "Base System Unit" contains a description,
specifications, cabling diagrams, a data flow diagram, and parts
information for the base components of the system unit.
Section 6, "System Memory Options" contains a description,
specifications, and parts information for each system memory
option.
(6(88) About This Book
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