360050398

Table 10.8-2 Identify Information (Continued)

WORD

 

DESCRIPTION

Hex.

57-58

Current capacity in sectors

XXXX

 

(Number of current cylinders * Number of current heads * Number of current

 

 

sectors per track)

 

59

15-9

Reserved

01XX

 

8 1=Multiple sector setting is valid

 

 

7-0 XXh=Current setting for number of sectors that can be transferred per

 

 

interrupt on R/W Multiple command

 

60-61

Total number of user addressable sectors (LBA mode only)

[5*]

62

15-0

Reserved

XX07

63

15-8

Multiword DMA transfer mode active

XX07

 

7-0 Multiword DMA transfer mode supported

 

64

15-8

reserved

0003

 

7-0 Advanced PIO Transfer Modes Supported

 

 

 

bit 7-2 Reserved

 

 

 

bit 1 = 1 PIO MODE 4 supported

 

 

 

bit 0 = 1 PIO MODE 3 supported

 

65

Minimum Multiword DMA Transfer Cycle Time Per Word (ns)

0078

66

Manufacturer’s Recommended Multiword DMA Transfer Cycle Time

0078

67

Minimum PIO Transfer Cycle Time Without Flow Control (ns)

0078

68

Minimum PIO Transfer Cycle Time With IOCHRDY Flow Control

0078

69-79

Reserved (for future command overlap and queuing)

0000

80

Major version number

007E

 

0000h or FFFFh = device does not report version

 

 

15-7

Reserved for ATA-7~14

 

 

6

1=supports ATA/ATAPI-6

 

 

5

1=supports ATA/ATAPI-5

 

 

4

1=supports ATA/ATAPI-4

 

 

3

1=supports ATA-3

 

 

2

1=supports ATA-2

 

 

1

1=supports ATA-1

 

 

0

Reserved

 

81

Minor version number

0000

 

0000h or FFFFh = device does not report version

 

82

Command set supported.

746B

 

0000h or FFFFh = command set notification not supported

 

 

15

Reserved

 

 

14

1=NOP command supported

 

 

13 1=READ BUFFER command supported

 

 

12 1=WRITE BUFFER command supported

 

 

11

Reserved

 

 

10 1=Host Protected Area feature set supported

 

 

9 1=DEVICE RESET command supported

 

 

8

1=SERVICE interrupt supported

 

 

7

1=release interrupt supported

 

 

6

1=look-ahead supported

 

 

5

1=write cache supported

 

 

4 1=supports PACKET Command feature set

 

 

3 1=supports power management feature set

 

 

2 1=supports removable feature set

 

 

1 1=supports security feature set

 

 

0 1=supports SMART feature set

 

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