Word

Description

Value

 

 

 

87

Command sets enable extension

4000H

88

Ultra DMA support and current mode (see note following this

xx3FH

 

table)

 

 

 

 

89

Security erase time

0000H

 

 

 

90

Enhanced security erase time

0000H

 

 

 

92

Master password revision code

FFFEH

 

 

 

93

Hardware reset value

xxxxH

 

(see description following this table)

 

 

 

 

94

Auto acoustic management setting

xxxxH

95–99

ATA-reserved

0000H

100–

Total number of user-addressable LBA sectors available

ST980210A = 156,501,488

103

(see Section 2.2 for related information)

ST980210AS = 156,501,488

 

ST960210A = 117,410,240

 

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

 

ST960210AS = 117,410,240

 

addressing feature. Maximum value: 0000FFFFFFFFFFFFh.

 

ST940210A = 78,340,160

 

 

 

 

ST940210AS = 78,340,160

 

 

ST920210AS = 41,021,800

 

 

 

104–

ATA-reserved

0000H

127

 

 

 

 

 

128

Security status

0001H

 

 

 

129–

Seagate-reserved

xxxxH

159

 

 

 

 

 

160–

ATA-reserved

0000H

254

 

 

 

 

 

255

Integrity word

xxA5H

Note. See the bit descriptions below for words 63, 88, 93 and 94 of the Identify Drive data:

Description (if bit is set to 1)

Bit

Word 63

0Multiword DMA mode 0 is supported.

1Multiword DMA mode 1 is supported.

2Multiword DMA mode 2 is supported.

8Multiword DMA mode 0 is currently active.

9Multiword DMA mode 1 is currently active.

10Multiword DMA mode 2 is currently active.

Bit

Word 88

0Ultra DMA mode 0 is supported.

1Ultra DMA mode 1 is supported.

2Ultra DMA mode 2 is supported.

3Ultra DMA mode 3 is supported.

LD25 Series 5400.2 Product Manual, Rev. C

33

Page 39
Image 39
Seagate ST980210AS, ST960210AS, ST940210AS, ST920210AS manual Description if bit is set to Bit Word