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Seagate SV35 SERIES ST3250824SV User Manual

Page 40

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34

SV35 Series SATA Product Manual, Rev. C

53

Words 54–58, 64–70 and 88 are valid

0007

H

54

Number of current logical cylinders

xxxx

H

55

Number of current logical heads

xxxx

H

56

Number of current logical sectors per logical track

xxxx

H

57–58

Current capacity in sectors

xxxx

H

59

Number of sectors transferred during a Read Multiple or Write Multiple

command

xxxx

H

60–61

Total number of user-addressable LBA sectors available
(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.

0FFFFFFFh*

62

Retired

0000

H

63

Multiword DMA active and modes supported (see note following this

table)

xx07

H

64

Advanced PIO modes supported (modes 3 and 4 supported)

0003

H

65

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

0078

H

66

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

0078

H

67

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

00F0

H

68

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

0078

H

69–74

ATA-reserved

0000

H

75

Queue depth

0000

H

76

Serial ATA capabilities

xxxx

H

77

Reserved for future Serial ATA definition

xxxx

H

78

Serial ATA features supported

xxxx

H

79

Serial ATA features enabled

xxxx

H

80

Major version number

003E

H

81

Minor version number

0000

H

82

Command sets supported

364B

H

Word

Description

Value

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