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ATA COMMAND BLOCK AND SET DESCRIPTION SSD-HXXX(I)-3500 DATA SHEET

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3500H-03DSR PAGE 28 FEBRUARY 2, 2009

ATA COMMAND BLOCK AND SET DESCRIPTION

In accordance with the ANSI ATA Specification, the device implements seven

registers that are used to transfer instructions to the device by the host. These

commands follow the ANSI standard ATA protocol. A description of the ATA

command block is provided in the following table.

ATA COMMAND SET

Table 30: ATA Command Block and Set Description

Operation

Feature

Sector Count

Sector Number

Cylinder Low

Cylinder High

Drive Head

1LBA1Drive X

Command

Table 31: ATA Command Set

Class Command Name

Command

Code

Registers Used

FR SC SN CY DH LBA

1 Check Power Mode 98h, E5h - - - - D -

1 Execute Drive

Diagnostics

90h ----D-

1 Erase Sector C0h - YYYYY

2 Format Track 50h - Y - Y Y Y

1 Identify Drive ECh - - - - D -

1 Idle 97h, E3h - Y - - D -

1 Idle Immediate 95h, E1h - - - D -

1 Initialize Drive

Parameters

91h - Y - - Y -

1 Read Buffer E4h - - - - D -

1 Read DMA* C8h - YYYYY

1 Read Multiple C4h - Y Y Y Y Y

1 2 ... 32 33 34 35 36 37 38 39 40 41 42 ... 75 76

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