C141-E104-02EN i
Preface
This manual describes the MHL Series and MHM Series, 2.5-inch hard disk drives.
These drives have a built-in controller that is compatible with the ATA interface.
This manual describes the specifications and functions of the drives and explains in
detail how to incorporate the drives into user systems. This manual assumes that
the reader has a basic knowledge of hard disk drives and their implementations in
computer systems.
This manual consists of seven chapters and sections explaining the special
terminology and abbreviations used in this manual:

Overview of Manual

CHAPTER 1 Device Overview
This chapter gives an overview of the MHL Series and MHM Series and describes
their features.
CHAPTER 2 Device Configuration
This chapter describes the internal configurations of the MHL Series and MHM
Series and the configuration of the systems in which they operate.
CHAPTER 3 Installation Conditions
This chapter describes the external dimensions, installation conditions, and switch
settings of the MHL Series and MHM Series.
CHAPTER 4 Theory of Device Operation
This chapter describes the operation theory of the MHL Series and MHM Series.
CHAPTER 5 Interface
This chapter describes the interface specifications of the MHL Series and MHM
Series.
CHAPTER 6 Operations
This chapter describes the operations of the MHL Series and MHM Series.
Terminology
This section explains the special terminology used in this manual.
Abbreviation
This section gives the meanings of the definitions used in this manual.