General; Introduction; References; Abbreviations - Hitachi 7K400 - Deskstar Hard Drive Specifications

1.0 General

1.1 Introduction

This document describes the specifications of the Deskstar 7K400, a 3.5-inch, 7200-rpm hard disk drive with the
following model numbers:
• HDS724040KLAT80 / HDS724040KLSA80
These specifications are subject to change without notice.

1.2 References

• Information Technology - AT Attachment with Packet Interface-7.

1.3 Abbreviations

Abbreviation Meaning
A Ampere
AC alternating current
AT Advanced Technology
ATA Advanced Technology Attachment
BIOS Basic Input/Output System
C Celsius
CSA Canadian Standards Association
C-UL Canadian-Underwriters Laboratory
Cyl cylinder
DC Direct Current
DFT Drive Fitness Test
DMA Direct Memory Access
ECC error correction code
EEC European Economic Community
EMC electromagnetic compatibility
ERP Error Recovery Procedure
ESD Electrostatic Discharge
FCC Federal Communications Commission
FRU field replacement unit
G gravity (a unit of force)
2
G /Hz (32 ft/sec)
Gb 1,000,000,000 bits
2
per Hertz
Deskstar 7K400 Hard Disk Drive Specification
1
(400 GB)