Seagate ST380012ACE Product Manual - Page 36

26

U Series 9 ce Product Manual, Rev. F

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.

ST3160022ACE =0FFFFFFFh*

ST3120025ACE = 234,441,648

ST380012ACE = 156,301,488

62

Retired

0000

H

63

Multiword DMA active and modes supported

(see note following this table)

xx

07

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

76–79

ATA-reserved

0000

H

80

Major version number

007E

H

81

Minor version number

0000

H

82

Command sets supported

346B

H

83

Command sets supported

7D01

H

84

Command sets support extension

4003

H

85

Command sets enabled

34

xx

H

86

Command sets enabled

3xxx

H

87

Command sets enable extension

4003

H

88

Ultra DMA support and current mode

(see note following this table)

xx

3F

H

89

Security erase time

0000

H

90

Enhanced security erase time

0000

H

92

Master password revision code

FFFE

H

93

Hardware reset value (see description following this table)

xxxx

H

95–99

ATA-reserved

0000

H

100–103

Total number of user-addressable LBA sectors available

(see Section 2.2 for related information)

These words are required for drives that support the 48-bit addressing

feature. Maximum value: 0000FFFFFFFFFFFFh.

ST3160022ACE = 312,581,808

ST3120025ACE = 234,441,648

ST380012ACE = 156,301,488

104–127

ATA-reserved

0000

H

Word

Description

Value

Section	Page
1.0 Introduction	11
2.0 Drive specifications	13
2.1 Specification summary table	13
2.2 Formatted capacity	15
2.2.1 LBA mode	15
2.3 Default logical geometry	15
2.4 Physical organization	15
2.5 Recording and interface technology	15
2.6 Physical characteristics	16
2.7 Seek time	16
2.8 Start/stop times	16
2.9 Power specifications	16
2.9.1 Power consumption	17
2.9.1.1 Typical current profile	18
2.9.2 Conducted noise	19
2.9.3 Voltage tolerance	19
2.9.4 Power-management modes	19
2.10 Environmental specifications	20
2.10.1 Ambient temperature	20
2.10.2 Temperature gradient	20
2.10.3 Humidity	20
2.10.3.1 Relative humidity	20
2.10.3.2 Wet bulb temperature	20
2.10.4 Altitude	20
2.10.5 Shock	21
2.10.5.1 Operating shock	21
2.10.5.2 Nonoperating shock	21
2.10.6 Vibration	21
2.10.6.1 Operating vibration	21
2.10.6.2 Nonoperating vibration	21
2.11 Acoustics	21
2.12 Electromagnetic immunity	22
2.13 Reliability	22
2.14 Agency certification	23
2.14.1 Safety certification	23
2.14.2 Electromagnetic compatibility	23
2.14.3 FCC verification	23
3.0 Configuring and mounting the drive	25
3.1 Handling and static discharge precautions	25
3.2 Breather filter hole precautions	26
3.3 Jumper settings	27
3.3.1 Master/slave configuration	27
3.3.2 Cable-select option	27
3.3.3 Alternate capacity jumper	27
3.3.4 Ultra ATA/100 cable	28
3.4 Drive mounting	28
4.0 ATA interface	31
4.1 ATA interface signals and connector pins	31
4.1.1 Supported ATA commands	33
4.1.2 Identify Device command	35
4.1.3 Set Features command	38
4.1.4 S.M.A.R.T. commands	39
5.0 Seagate Technology support services	41
Index	47
Numerics	47
A	47
B	47
C	47
D	47
E	47
F	47
G	47
H	47
I	47
J	48
K	48
L	48
M	48
N	48
O	48
P	48
R	48
S	48
T	49
U	49
V	49

Seagate ST380012ACE Product Manual - Page 36

Description, Value

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