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 Write Multiple

xxxxH

 

command

 

 

 

 

60–61

Total number of user-addressable LBA sectors available

ST94019A = 78,140,160

 

(see Section 2.2 for related information)

ST93015A = 58,605,120

 

ST92014A = 39,070,080

 

 

 

 

 

62

Retired

0000H

 

 

 

63

Multiword DMA active and modes supported (see note following this table)

xx07H

 

 

 

64

Advanced PIO modes supported (modes 3 and 4 supported)

0003H

 

 

 

65

Minimum multiword DMA transfer cycle time per word (120 nsec)

0078H

 

 

 

66

Recommended multiword DMA transfer cycle time per word (120 nsec)

0078H

 

 

 

67

Minimum PIO cycle time without IORDY flow control (240 nsec)

00F0H

 

 

 

68

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

0078H

 

 

 

69–74

ATA-reserved

0000H

 

 

 

75

Queue depth

0000H

 

 

 

76–79

ATA-reserved

0000H

 

 

 

80

Major version number

007EH

 

 

 

81

Minor version number

0000H

 

 

 

82

Command sets supported

346BH

 

 

 

83

Command sets supported

7D01H

 

 

 

84

Command sets support extension

4003H

 

 

 

85

Command sets enabled

34xxH

 

 

 

86

Command sets enabled

3xxxH

 

 

 

87

Command sets enable extension

4003H

 

 

 

88

Ultra DMA support and current mode

xx3FH

 

(see note following this table)

 

 

 

 

89

Security erase time

0000H

 

 

 

90

Enhanced security erase time

0000H

 

 

 

91

Advanced power management value

0040H

 

 

 

92

Master password revision code

FFFEH

 

 

 

93

Hardware reset value (see description following this table)

xxxxH

 

 

 

94

Auto acoustic management setting

xxxxH

 

 

 

95–127

ATA-reserved

0000H

 

 

 

128

Security status

0001H

 

 

 

Momentus 42 Product Manual, Rev. A

23

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Image 33
Seagate ST94019A, ST93015A, ST92014A manual XxxxH