Fujitsu MPG3XXXAH At command issuance I/O registers setting contents, 1F7 HCM, 1F6 HDH, 1F5 HCH

Models: MPG3XXXAH

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Sector count/block

At command issuance (I/O registers setting contents)

1F7H(CM)

1

1

0

0

0

1

1

0

 

 

 

 

 

 

 

 

 

 

 

1F6H(DH)

×

×

×

 

DV

 

 

 

xx

 

 

 

 

 

 

 

 

 

 

 

 

1F5H(CH)

 

 

 

 

 

xx

 

 

 

1F4H(CL)

 

 

 

 

 

xx

 

 

 

1F3H(SN)

 

 

 

 

 

xx

 

 

 

1F2H(SC)

 

 

 

Sector count/block

 

 

 

1F1H(FR)

 

 

 

 

 

xx

 

 

 

 

 

 

 

 

 

 

 

 

 

 

At command completion (I/O registers contents to be read)

1F7H(ST)

 

 

 

Status information

 

 

 

 

 

 

 

 

 

1F6H(DH)

×

×

×

 

DV

 

xx

 

 

 

 

 

 

 

 

1F5H(CH)

 

 

 

 

xx

 

1F4H(CL)

 

 

 

 

xx

 

1F3H(SN)

 

 

 

 

xx

 

1F2H(SC)

 

 

 

Sector count/block

 

1F1H(ER)

 

 

 

Error information

 

 

 

 

 

 

 

 

 

After power-on or after hardware reset, the READ MULTIPLE and WRITE MULTIPLE command operation are disabled as the default mode.

Regarding software reset, the mode set prior to software reset is retained after software reset.

The parameters for the multiple commands which are posted to the host system when the IDENTIFY DEVICE command is issued are listed below. See Subsection 5.3.2 for the IDENTIFY DEVICE command.

Word 47 = 8010: Maximum number of sectors that can be transferred per interrupt by the READ MULTIPLE and WRITE MULTIPLE commands are 16 (fixed).

Word 59 = 0000: The READ MULTIPLE and WRITE MULTIPLE commands are disabled.

=01xx: The READ MULTIPLE and WRITE MULTIPLE commands are enabled. "xx" indicates the current setting for number of sectors that can be transferred per interrupt by the READ MULTIPLE and WRITE MULTIPLE commands.

e.g. 0110 = Block count of 16 has been set by the SET MULTIPLE MODE command.

(16)EXECUTE DEVICE DIAGNOSTIC (X'90')

This command performs an internal diagnostic test (self-diagnosis) of the device. This command usually sets the DRV bit of the Drive/Head register is to 0 (however, the DV bit is not checked). If two devices are present, both devices execute self-diagnosis.

If device 1 is present:

C141-E112-01EN

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Fujitsu MPG3XXXAH At command issuance I/O registers setting contents, 1F7 HCM, 1F6 HDH, 1F5 HCH, 1F4 HCL, 1F3 HSN, 1F2 HSC