ATA COMMAND BLOCK AND SET DESCRIPTION

SSD-PXXX(I)-3100 DATA SHEET

Identify Drive — Drive Attribute Data

 

Table 52: Identify Drive — Drive Attribute Data

 

 

Word

Data Default Bytes Data Description

Address

0

044Ah (fixed 2

 

ID bit) in IDE

 

mode

848A (removable ID bit) in PCMCIA memory and I/ O modes

General configuration bit information

15: Non-magnetic disk

14: Formatting speed latency permissible gap needed

13: Track Offset option supported

12: Data Strobe Offset option supported

11: Over 0.5% rotational speed difference

10: Disk transfer rate >10Mbps

9: 10Mbps >= disk transfer rate >5Mbps

8: 5Mbps >= disk transfer rate

7: Removable cartridge drive

6: Fixed drive

5: Spindle Motor Control option executed

4: Over 15μs changing head time

3: Non-MFM encoding

2: Soft sector allocation

1: Hard sector allocation

0: Reserved

1

XXXXh

2

Number of cylinders

2

0000h

2

Reserved

3

00XXh

2

Number of heads

4

0000h

2

Number of unformatted bytes per track

5

XXXXh

2

Number of unformatted bytes per sector

6

XXXXh

2

Number of sectors per track

7-8

XXXXh

4

Number of sectors per device

9

0000h

2

Reserved

10-19

XXXXh

20

Serial number

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3100P-06DSR

PAGE 65

FEBRUARY 2, 2009

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Silicon Image SSD-P16G(I)-3100 manual Identify Drive Drive Attribute Data, Word Data Default Bytes Data Description Address