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4 flush cache (e7h), 5 get media status (dah) – FUJITSU MCJ3230AP User Manual

Page 97

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4.5 ATA Commands

C156-E205-01EN

4-25

4.5.4 FLUSH CACHE (E7h)

Table 4.23 FLUSH CACHE command

Bit

7

6

5

4

3

2

1

0

CM

1

1

1

0

0

1

1

1

DH

X

X

X

DEV

X

X

X

X

CH

X

X

X

X

X

X

X

X

CL

X

X

X

X

X

X

X

X

SN

X

X

X

X

X

X

X

X

SC

X

X

X

X

X

X

X

X

FR

X

X

X

X

X

X

X

X

The FLUSH CACHE command writes unwritten data in the cache memory in the
data buffer to the media.

4.5.5 GET MEDIA STATUS (DAh)

Table 4.24 GET MEDIA STATUS command

Bit

7

6

5

4

3

2

1

0

CM

1

1

0

1

1

0

1

0

DH

X

X

X

DEV

X

X

X

X

CH

X

X

X

X

X

X

X

X

CL

X

X

X

X

X

X

X

X

SN

X

X

X

X

X

X

X

X

SC

X

X

X

X

X

X

X

X

FR

X

X

X

X

X

X

X

X

The GET MEDIA STATUS command respond with the ODD status.

The command ends abnormally in either of the conditions given below and sets the
value shown in Table 4.25 in the Error register.

!

When no media is inserted

!

When media is exchanged