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Seagate Barracuda ST3120022A User Manual

Page 39

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Barracuda 7200.7 Product Manual, Rev. E

29

Note.

Advanced Power Management (APM) and Automatic Acoustic Management (AAM) features are not supported

Note.

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

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.

ST3160021A = 312,581,808

ST3160023A = 312,581,808

ST3120022A = 234,441,648

ST3120026A = 234,441,648

ST380011A = 156,301,488

ST380013A = 156,301,488

ST360014A = 117,231,408

ST340014A = 78,165,360

104–127

ATA-reserved

0000

H

128

Security status

0001

H

129–159

Seagate-reserved

xxxx

H

160–254

ATA-reserved

0000

H

255

Integrity word

xxA5

H

Description (if bit is set to 1)

Bit

Word 63

0

Multiword DMA mode 0 is supported.

1

Multiword DMA mode 1 is supported.

2

Multiword DMA mode 2 is supported.

8

Multiword DMA mode 0 is currently active.

9

Multiword DMA mode 1 is currently active.

10

Multiword DMA mode 2 is currently active.

Bit

Word 88

0

Ultra DMA mode 0 is supported.

1

Ultra DMA mode 1 is supported.

2

Ultra DMA mode 2 is supported.

3

Ultra DMA mode 3 is supported.

4

Ultra DMA mode 4 is supported.

8

Ultra DMA mode 0 is currently active.

9

Ultra DMA mode 1 is currently active.

10

Ultra DMA mode 2 is currently active.

11

Ultra DMA mode 3 is currently active.

12

Ultra DMA mode 4 is currently active.

13

Ultra DMA mode 5 is currently active.

Word

Description

Value