5 ata commands – FUJITSU MCM3064AP User Manual

Page 93

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4.5 ATA Commands

C156-E227-01EN

4-23

4.5 ATA Commands

Table 4.17 lists supported ATA commands.

This section represents ODD registers as shown below.

Cylinders High/Low registers: CY

Sector register: SC

Device/Head register: DH

Sector Number register: SN

Features register: FR

Table 4.17 Command codes and parameters

Protocol

Command name

Command

Parameters used

Section

code

FR

SC

SN

CY

DH

PI

IDENTIFY PACKET DEVICE

A1h

D

4.5.1

PACKET

A0h

y

y

y

y

D

4.5.2

ND

DEVICE RESET

08h

D

4.5.3

ND

CHECK POWER MODE

E5h

y

D

4.5.4

ND

EXECUTE DEVICE
DIAGNOSTIC

90h

D*

4.5.5

ND

GET MEDIA STATUS

DAh

D

4.5.6

ND

IDLE IMMEDIATE

E1h

D

4.5.7

ND

NOP

00h

y

4.5.8

ND

SERVICE (Not supported)

42h

D

4.5.9

ND

SET FEATURES

EFh

y

y

D

4.5.10

ND

SLEEP

E6h

D

4.5.11

ND

STANDBY IMMEDIATE

E0h

D

4.5.12

−−

RESERVED: Other codes

Notes:

1.

y - This register contains parameters effective to run the command.

D - Indicates that only the Device parameter is effective and the LUN

parameter is ineffective.

D* - Device 0 is addressed, but both devices execute the command.

2.

The protocol above indicates the command protocol used.

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