Table of Contents
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1.0 General
1.1 Introduction
This specification describes the host interface of
The interface conforms to the Working Document of Information technology with certain limitations described in 2.0, "Devia-
tions From Standard."
• Serial ATA: High Speed Serialized AT Attachment Revision 1.0a dated on 7 January 2003
• Serial ATA II: Extensions to Serial ATA 1.0a Revision 1.2 dated on 27 August 2004
• AT Attachment with Packet Interface Interface Extension (ATA/ATAPI-7) Revision 4 dated on 23 Deceme-
ber 2003
1.2 Terminology
Device
Host
1.3 Deviations from standard
The device conforms to the referenced specifications with the following deviations:
Check Power Mode - Check Power Mode command returns FFh to Sector Count Register when the device
is in Idle mode. This command does not support 80h as the return value.
Hard Reset - Hard reset response is not the same as that of power on reset. Refer to section 3.1, "Reset
response" on page 9 for details.
Download - command is aborted when the device is in security locked mode.
HDS725050KLA360
HDS725050KLA360
Host indicates the system that the device is attached to.
Deskstar 7K500 Hard Disk Drive Serial ATA Addendum
.
hard disk drive
1
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