ATA COMMAND BLOCK AND SET DESCRIPTION

SSD-PXXX(I)-3100 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.

SILICONSYSTEMS PROPRIETARY

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

All unauthorized use and/or reproduction is prohibited.

3100P-06DSR

PAGE 79

FEBRUARY 2, 2009

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Silicon Image SSD-P16G(I)-3100 manual Set Features EFh, Set Features’ Attributes, Feature Operation