Word

Description

Value

 

 

 

 

Total number of user-addressable LBA sectors available

 

 

(see Section 3.2 for related information)

 

60–61

*Note: The maximum value allowed in this field is: 0FFFFFFFh

0FFFFFFFh*

(268,435,455 sectors, 137GB). Drives with capacities over 137GB will

 

have 0FFFFFFFh in this field and the actual number of user-address-

 

 

able LBAs specified in words 100-103. This is required for drives that

 

 

support the 48-bit addressing feature.

 

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 (120 ns)

0078H

66

Recommended multiword DMA transfer cycle time per word

0078H

(120 ns)

67

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

00F0H

68

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

0078H

69–74

ATA-reserved

0000H

75

Queue depth

001FH

76

Serial ATA capabilities

xxxxH

77

Reserved for future Serial ATA definition

xxxxH

78

Serial ATA features supported

xxxxH

79

Serial ATA features enabled

xxxxH

80

Major version number

003EH

81

Minor version number

0028H

82

Command sets supported

364BH

83

Command sets supported

7C03H

84

Command sets support extension

4003H See Word 108-111 note.

(see note following this table)

(4003H = 0100000000000011

 

binary)

 

 

 

 

 

85

Command sets enabled

30xxH

86

Command sets enabled

0001H

87

Command sets enable extension

4000H

88

Ultra DMA support and current mode (see note following this table)

xx3FH

89

Security erase time

0000H

90

Enhanced security erase time

0000H

92

Master password revision code

FFFEH

93

Hardware reset value

xxxxH

95–99

ATA-reserved

0000H

 

Total number of user-addressable LBA sectors available (see Section

ST32000641AS = 3,907,029,168

 

3.2 for related information). These words are required for drives that

100–103

ST31000524NS = 1,953,525,168

support the 48-bit addressing feature. Maximum value:

 

ST3500514NS = 976,773,168

 

0000FFFFFFFFFFFFh.

 

 

 

 

 

104–107

ATA-reserved

0000H

Constellation ES Serial ATA Product Manual, Rev. D

31

Page 37
Image 37
Seagate ST3500514NS, ST31000524NS, ST32000644NS manual Xx07H