Word

Description

Value

 

 

 

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.

 

 

5

Ultra DMA mode 5 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

32

Barracuda 7200.8 PATA Product Manual, Rev. F

Page 38
Image 38
Seagate ST3300631A, 7200.8 PATA, ST3250623A, ST3400632A manual Description if bit is set to Bit Word