Introduction

• MB/s

megabytes per second

• MHz

megahertz

• ms

milliseconds

• MSB

most significant bit

• mV

millivolts

• ns

nanoseconds

• PATA

Parallel ATA

• PC

Personal Computer

• SPS

Shock Protection System

• tpi

tracks per inch

• µs

microseconds

• V

volts

The typographical and naming conventions used in this manual are listed below. Conventions that are unique to a specific table appear in the notes that follow that table.

Typographical Conventions:

•Names of Bits: Bit names are presented in initial capitals. An example is the Host Software Reset bit.

•Commands: Interface commands are listed in all capitals. An example is WRITE DMA.

•Register Names: Registers are given in this manual with initial capitals. An example is the Alternate Status Register.

•Parameters: Parameters are given as initial capitals when spelled out, and are given as all capitals when abbreviated. Examples are Prefetch Enable (PE), and Cache Enable (CE).

•Hexadecimal Notation: The hexadecimal notation is given in 9-point subscript form. An example is 30H.

•Signal Negation: A signal name that is defined as active low is listed with a minus sign following the signal. An example is RD–.

•Messages: A message that is sent from the drive to the host is listed in all capitals. An example is ILLEGAL COMMAND.

Quickview 300 80/100/120/160/200/250/300GB PATA 1-3