Identify Device command

The Identify Device command returns a single block of data (512 bytes or 256 words) to the host, the relevant contents per the CE-ATA specification of which are as shown in the following table

Table 11:

Identify Device commands

 

 

 

 

Word

Description

Value

 

 

 

10-19

Serial number: (20 ASCII characters)

Drive serial number

 

 

 

23-26

Firmware revision (8 ASCII characters)

Current firmware revision

 

 

 

 

27-46

Drive model number (40 ASCII characters)

(ASCII) ST730212CA (for 30GB)

(ASCII) ST760211CA (for 60GB)

 

 

 

 

 

 

 

Major version number

 

 

Bit 15

: Set to 1

 

80

Bits 14-2 : Reserved (0)

8002h

 

Bit 1

: 1 = supports CE-ATA version 1.0

 

 

Bit 0

: Set to 0

 

 

 

 

 

100-103

Maximum user LBA

37E3E3Fh (for 30GB)

6FC7C7Fh (for 60GB)

 

 

 

 

 

 

106

CE-ATA sector size

000Ch

 

 

 

206

CE-ATA Features

0000h

Bits15-0 : Reserved (0)

 

 

 

 

 

 

Integrity word

 

255

Bits 15-8 : Checksum (as defined in ATA)

 

 

Bits 7-0

: Signature (as defined in ATA)

 

 

 

 

 

Lyrion CE-ATA Product Manual, Rev. A

27

Page 33
Image 33
Seagate Lyrion Series manual Identify Device commands, Word Description Value

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