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Preface
This technical reference contains hardware and software interface
information specific to the IBM ThinkPad 770 computer. This
technical reference is intended for those who develop hardware and
software products for the computer. Users should understand
computer architecture and programming concepts.
This publication consists of the following sections and appendixes:
Section 1, “System Overview,” describes the system, features,
and specifications.
Section 2, “System Board,” describes the system-specific
hardware implementations.
Section 3, “Subsystems,” describes the hardware functions
specific to the ThinkPad 770 computer.
Appendix A, “System Resources,” describes the available
system resources for the computer and docking stations.
Appendix B, “System Management API (SMAPI) BIOS
Overview,” describes the system software interface built into the
system, called the System Management Application Program
Interface (SMAPI) BIOS, which controls the system information,
system configuration, and power management features of the
ThinkPad computer.
Appendix C, “Notices,” contains special notices and trademark
information.
An index is also included.
Attention
The term
Reserved
describes certain signals, bits, and registers that
should not be changed. Use of reserved areas can cause
compatibility problems, loss of data, or permanent damage to the
hardware. When the contents of a register are changed, the state of
the reserved bits must be preserved. Read the register first and
change only the bits that must be changed.
Copyright IBM Corp. 1997 ix