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Seagate BARRACUDA ST3250823AS User Manual

Page 39

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Barracuda 7200.8 Serial ATA Product Manual, Rev. F

33

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.

ST3400832AS = 781,422,768

ST3400632AS = 781,422,768

ST3300831AS = 586,072,368

ST3300631AS = 586,072,368

ST3250823AS = 488,397,168

ST3250623AS = 488,397,168

ST3200826AS = 390,721,968

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.

5

Ultra DMA mode 5 is supported.

6

Ultra DMA mode 6 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.

14

Ultra DMA mode 6 is currently active.

Word

Description

Value

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