Table 10.8-1 Identify Information

WORD

 

 

 

DESCRIPTION

Hex.

0

General configuration

0040

 

15

 

0=ATA device

 

 

14-8

 

Reserved

 

 

 

7

 

1=Removable cartridge device

 

 

6

 

1=Fixed device

 

 

5-3

 

Reserved

 

 

 

2

 

Response incomplete

 

 

1-0

 

Reserved

 

 

1

Number of default logical cylinders

[1*]

2

Specific configuration

C837

3

Number of default logical heads

[2*]

4

Reserved

 

0000

5

Reserved

 

0000

6

Number of default logical sectors h logical track

[3*]

7-9

Reserved

 

 

10-19

Serial Number (20 ASCII characters)

 

20

Reserved

 

0000

21

Reserved

 

0000

22

Reserved

 

0000

23-26

Firmware Revision (8 ASCII characters)

 

27-46

Controller model # (40 ASCII characters)

 

47

15-8

80h

 

8010

 

7-0 00H = READ/WRITE MULTIPLE command not implemented

 

 

 

 

01H- FFH = Maximum number of sectors that can be transferred per

 

 

 

interrupt

on READ/WRITE MULTIPLE commands

 

48

Reserved

 

0000

49

Capabilities

 

2F00

 

15-14

Reserved

 

 

13 1=Standby timer values as specified in ATA/ATAPI-6 specification are

 

 

 

 

supported

 

 

 

 

0=Standby timer values are vendor specific

 

 

12

Reserved

 

 

 

11

1=IORDY supported

 

 

10 1=IORDY can be disabled

 

 

 

9

1=LBA supported

 

 

 

8

1=DMA supported

 

 

7-0

Reserved

 

50

Capabilities

 

4000

 

15

0 (Fixed)

 

 

 

14

1 (Fixed)

 

 

 

13-1

Reserved

 

 

 

0 1= a device specific Standby timer value minimum.

 

51

15-8 PIO data transfer cycle timing mode

0200

 

7-0

Reserved

 

 

52

Reserved

 

0000

53

15-3

Reserved

 

0007

 

 

2 1=the fields reported word 88 are valid

 

 

 

 

0=the fields reported word 88 are not valid

 

 

 

1 1=the fields reported words 64-70 are valid

 

 

 

 

0=the fields reported words 64-70 are not valid

 

 

 

0 1=the fields reported words 54-58 are valid

 

 

 

 

0=the fields reported words 54-58 are not valid

 

 

 

 

54

Number of current cylinders

XXXX

55

Number of current heads

XXXX

56

Number of current sectors per track

XXXX

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