Word

Description

Value

 

 

 

100–103

Total number of user-addressable LBA sectors available

ST3500841ACE = 976,773,168

 

(see Section 2.2 for related information)

ST3400833ACE = 781,422,768

 

ST3300822ACE = 586,072,368

 

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

ST3250824ACE = 488,397,168

 

feature. Maximum value: 0000FFFFFFFFFFFFh.

ST3200827ACE = 390,721,968

 

ST3160212ACE = 312,581,808

 

 

ST3120213ACE = 234,441,648

 

 

ST3802110ACE = 156,301,488

 

 

 

104–127

ATA-reserved

0000H

128

Security status

0001H

129–159

Seagate-reserved

xxxxH

160–254

ATA-reserved

0000H

255

Integrity word

xxA5H

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:

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.

 

 

 

 

Bit

Word 93

 

 

 

 

13

1 = 80-conductor cable detected, CBLID above VIH

 

 

0 = 40-conductor cable detected, CBLID below VIL

 

 

 

DB35 Series 7200.2 Product Manual, Rev. C

35

Page 41
Image 41
Seagate ST3160212ACE, ST3120213ACE, ST3200827ACE, ST3250824ACE, ST3300822ACE manual Description if bit is set to Bit Word