Word

Description

Value

 

 

 

54

Number of current logical cylinders

xxxxH

55

Number of current logical heads

xxxxH

56

Number of current logical sectors per logical track

xxxxH

57–58

Current capacity in sectors

xxxxH

59

Number of sectors transferred during a Read Multiple or

xxxxH

 

Write Multiple command

 

60–61

Total number of user-addressable sectors

ST9500325AS = 0FFFFFFFh

 

This field contains a value that is one greater than the total

ST9500325ASG = 0FFFFFFFh

 

number of user-addressable sectors. The maximum value

ST9400326AS = 0FFFFFFFh

 

that shall be placed in this field is 0FFFFFFFh. The

ST9320325AS = 0FFFFFFFh

 

0FFFFFFFh value applies to all capacities over 137Gbytes

ST9320325ASG = 0FFFFFFFh

 

(see Section 2.2 and 2.3 for related information).

ST9250315AS = 0FFFFFFFh

 

 

ST9250315ASG = 0FFFFFFFh

 

 

ST9160301AS = 0FFFFFFFh

 

 

ST9160314AS = 0FFFFFFFh

 

 

ST9160314ASG = 0FFFFFFFh

 

 

ST9120315AS = 234,441,648

 

 

ST9120315ASG = 234,441,648

 

 

ST980313AS = 156,301,488

 

 

ST980313ASG = 156,301,488

62

Retired

0000H

63

Multiword DMA active and modes supported

xx07H

 

(see note following this table)

 

64

Advanced PIO modes supported (modes 3 and 4 supported)

0003H

65

Minimum multiword DMA transfer cycle time per word

0078H

 

(120 nsec)

 

66

Recommended multiword DMA transfer cycle time per word

0078H

 

(120 nsec)

 

67

Minimum PIO cycle time without IORDY flow control

00F0H

 

(240 nsec)

 

68

Minimum PIO cycle time with IORDY flow control (120 nsec)

0078H

69–74

ATA-reserved

0000H

75

Queue depth

001FH

76

Serial ATA capabilities

0508H

77

ATA-reserved

0000H

78

Serial ATA features supported

0048H

79

Serial ATA features enabled

0040H

80

Major version number

003EH

81

Minor version number

0028H

82

Command sets supported

306BH

83

Command sets supported

4001H

84

Command sets support extension

4000H

85

Command sets enabled

30xxH

86

Command sets enabled

0001H

87

Command sets enable extension

4000H

88

Ultra DMA support and current mode

xx7FH

 

(see note following this table)

 

30

Momentus 5400.6 SATA Product Manual, Rev. E

Page 36
Image 36
Seagate ST9250315ASG, ST980313ASG, ST9500325ASG, ST9400326AS, ST9320325ASG, ST9160301AS, ST9160314ASG, ST9120315AS manual XxxxH