Справочник Пользователя для Silicon Image SSD-DXXX(I)-4210

ATA C

OMMAND

B

LOCK

AND

S

ET

D

ESCRIPTION

SSD-D

XXX

(I)-4210 D

ATA

S

HEET

S

ILICON

S

YSTEMS

P

ROPRIETARY

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

All unauthorized use and/or reproduction is prohibited.

4210D-03DSR

P

AGE

60

F

EBRUARY

2, 2009

Set Features — EFh
The Set Features command allows the host to configure the feature set of the
device according to the attributes listed in

.

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

Table 45: Set Features — EFh

Register

D

7

D

6

D

5

D

4

D

3

D

2

D

1

D

0

Feature

Feature

Sector Count

X

Sector Number

X

Cylinder Low

X

Cylinder High

X

Drive Head

X

X

X

Drive

X

Command

EFh

Table 46: 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