8.0 General
8.1 Introduction
This specification describes the host interface of the Deskstar T7K250 hard disk drive.
The interface conforms to the Working Document of Information technology, AT Attachment with Packet Interface
Extension (ATA/ATAPI-6) Revision 3b, dated 26 February 2002, with certain limitations described in Section 8.3
below.
8.2 Terminology
Device
Host
8.3 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 10.1, "Reset
response" on page 79 for details.
The Deskstar T7K250 hard disk drive
The system to which the device is attached
Deskstar T7K250 Hard Disk Drive Specification
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