Word

Description

Value

 

 

 

60–61

Total number of user-addressable LBA sectors available

0FFFFFFFh*

 

(see Section 2.2 for related information)

 

 

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

 

 

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

 

 

Gbytes will have 0FFFFFFFh in this field and the actual number of

 

 

user-addressable 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 nsec)

0078H

66

Recommended multiword DMA transfer cycle time per word (120

0078H

 

nsec)

 

 

 

 

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

SATA-specific

xxxxH

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

92

Master password revision code

FFFEH

93

Hardware reset value (see description following this table)

xxxxH

95–99

ATA-reserved

0000H

100–103

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

ST3750840ACE = 1,465,149,168

 

tion 2.2 for related information). These words are required for drives

ST3500830ACE = 976,773,168

 

that support the 48-bit addressing feature. Maximum value:

ST3400820ACE = 781,422,768

 

0000FFFFFFFFFFFFh.

ST3320820ACE = 625,142,448

 

 

ST3300820ACE = 586,072,368

 

 

ST3250820ACE = 488,397,168

 

 

 

104–127

ATA-reserved

0000H

128

Security status

0001H

129–159

Seagate-reserved

xxxxH

DB35.3 Series PATA Product Manual, Rev. B

31

Page 37
Image 37
Seagate ST3750840ACE manual Xx07H