ATA COMMAND BLOCK AND SET DESCRIPTION

SSD-PXXX(I)-3521 DATA SHEET

Set Features — EFh

The Set Features command allows the host to configure the feature set of the device according to the attributes listed in Table 65.

Table 64: Set Features — EFh

Register

D7

D6

D5

D4

 

D3

D2

 

D1

D0

Feature

 

 

 

Feature

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Sector Count

 

 

 

X

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Sector Number

 

 

 

X

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Cylinder Low

 

 

 

X

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Cylinder High

 

 

 

X

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Drive Head

X

X

X

Drive

 

 

 

X

 

 

 

 

 

 

 

 

 

 

 

 

Command

 

 

 

EFh

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Table 65: Set Features’ Attributes

 

 

Feature

Operation

 

 

01h

Enable 8-bit data transfer

 

 

66h

Disable reverting to power on defaults

 

 

81h

Disable 8-bit data transfer

 

 

BBh

4 bytes of data apply on Read/Write Long commands

 

 

CCh

Enable revert to power on defaults

 

 

On power-up or following a hardware reset, the device is set to the default mode 81h.

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This document and the information contained within it is confidential and proprietary to SiliconSystems, Inc.

All unauthorized use and/or reproduction is prohibited.

3521P-02DSR

PAGE 79

FEBRUARY 2, 2009

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Silicon Image SSD-P08G(I)-3521 manual Set Features EFh, Set Features’ Attributes, Feature Operation