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7 General
7.1 Introduction
This specification describes the interface of the SATA hard disk drive (HDD)
The interface conforms to the following working documents of Information technology with certain limitations
described in Section 7.3 “Deviations from Standard”.
- Serial ATA International Organization: Serial ATA Revision 3.5
7.2 Terminology
Device
Device indicates the SATA hard disk drive (HDD)
Host
Host indicates the system to which the device is attached.
7.3 Deviations From Standard
The device conforms to the referenced specifications, with deviations described below.
Check Power Mode
If the Extended Power Conditions feature set is disabled and the device is in Idle
mode, Check Power Mode command returns FFh by Sector Count Register,
instead of returning 80h. Refer to Section 12.1 “Check Power Mode” for detail.
COMRESET
COMRESET response is not the same as that of Power On Reset. Refer to
Section 10.1 “Reset Response” for detail.
COMRESET response time
During 500ms from Power On Reset, COMINIT is not returned within 10ms as a
response to COMRESET.
Streaming Commands
When the device is in standby mode, Streaming Commands cannot be completed
while waiting for the spindle to reach operating speed even if execution time
exceeds specified CCTL (Command Completion Time Limit). The minimum CCTL
is 50ms.CCTL is set to 50ms when the specified value is shorter than 50ms.
SCT Error Recovery Control
When the device is in standby mode, any command where error recovery time
limit is specified cannot be completed while waiting for the spindle to reach
operating speed even if execution time exceeds specified recovery time limit. The
minimum time limit is 6.5 second. When the specified time limit is shorter than 6.5
second, the issued command is aborted.
Storage Element Depopulation The DSN (Device Statistics Notification) feature set is not supported.
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Hard Disk Drive Specification