5.3 Host Commands

Table 5.33 Information to be read by IDENTIFY DEVICE command (1/3)

Word

Value

Description

 

 

 

 

 

0

X '045A'

General Configuration

*1

 

 

 

 

1

X '3FFF'

Number of Logical cylinders

*2

 

 

 

 

2

X 'C837'

Detailed Configuration

*3

 

 

 

 

3

X '0010'

Number of Logical Heads

*2

 

 

 

 

4-5

X '0000'

Undefined

 

 

 

 

 

6

X '003F'

Number of Logical sectors per Logical track

*2

 

 

 

 

7-9

X '0000'

Undefined

 

 

 

 

 

10-19

Set by a device

Serial number (ASCII code, 20 characters, right)

 

 

 

 

 

20

X '0003'

Undefined

 

 

 

 

21

X 'xxxx'

Buffer Size (1 LSB: 512 Bytes) ex. Buffer Size=8MBytes: X '4000'

 

 

 

 

22

X '0000'

Reserved

 

 

 

 

 

23-26

Firmware revision (ASCII code, 8 characters, left)

 

 

 

 

 

27-46

Set by a device

Model name (ASCII code, 40 characters, left)

 

 

 

 

 

47

X '8010'

Maximum number of sectors per block on READ/WRITE

 

 

 

MULTIPLE command

 

 

 

 

 

48

X '0000'

Reserved

 

 

 

 

 

49

X '2F00'

Capabilities

*4

 

 

 

 

50

X '4000'

Capabilities

*5

 

 

 

 

51

X '0200'

PIO data transfer mode

*6

 

 

 

 

52

X '0200'

Reserved

 

 

 

 

 

53

X '0007'

Enable/disable setting of words 54-58 and 64-70, 88

*7

 

 

 

 

54

(Variable)

Number of current Cylinders

 

 

 

 

 

55

(Variable)

Number of current Head

 

 

 

 

 

56

(Variable)

Number of current sectors per track

 

 

 

 

 

57-58

(Variable)

Total number of current sectors

 

 

 

 

 

59

*8

Transfer sector count currently set by READ/WRITE

 

 

 

MULTIPLE command

*8

 

 

 

60-61

*2

Total number of user addressable sectors (28bit LBA mode only)

 

 

 

 

C141-E262

5-105

Page 183
Image 183
Fujitsu MHY2040BH, MHY2160BH, MHY2200BH, MHY2250BH, MHY2100BH, MHY2120BH Information to be read by Identify Device command 1/3