4.5 ATA Commands

Table 4.27 Device parameter information (5/6)

Word

Value

Bits

Description

 

 

 

 

87

4000h

 

Command set supported and whether the function is enabled or

 

 

 

disabled

 

 

 

(A value of less than 1 indicates that the command is supported

 

 

 

and enabled.)

 

 

15

0b

 

 

14

1b

 

 

13-0

Reserved

 

 

 

 

88

0007h

15-13

Reserved (0b)

 

(Default value)

12

Ultra DMA transfer mode 4 is selected

 

 

11

Ultra DMA transfer mode 3 is selected

 

 

 

 

 

 

10

Ultra DMA transfer mode 2 is selected

 

 

9

Ultra DMA transfer mode 1 is selected

 

 

8

Ultra DMA transfer mode 0 is selected

 

 

 

 

 

 

7-5

Reserved (0b)

 

 

4

Ultra DMA transfer modes 4 or under are supported (0b)

 

 

3

Ultra DMA transfer modes 3 or under are supported (0b)

 

 

 

 

 

 

2

Ultra DMA transfer modes 2 or under are supported (1b)

 

 

1

Ultra DMA transfer modes 1 or under are supported (1b)

 

 

0

Ultra DMA transfer modes 0 is supported (1b)

 

 

 

 

89-92

0000h

 

Reserved

 

 

 

 

93

xxxxh

15

0b

 

 

14

1b

 

 

13

0b

 

 

 

- for device 0

 

 

 

 

 

 

12-8

0b

 

 

7

0b

 

 

6

1b (Responds when device 1 is selected)

 

 

 

 

 

 

5

If DASP- is detected: 1b If not: 0b

 

 

4

If PDIAG- is detected: 1b If not: 0b

 

 

3

If diagnosis ends normally: 1b If an error occurred: 0b

 

 

 

 

 

 

2-1

11b

 

 

0

1b

 

 

 

 

C156-E205-01EN

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Fujitsu MCJ3230AP manual Device parameter information 5/6