FUJITSU DISK DRIVES MHM215OAT - Manual (Page 123)

Interface
5-46 C141-E104-02EN
After power on and the occurrence of a hard reset, the host can issue this
command only once when VV bit = 1. If this command with VV bit = 1 is issued
twice or more, any command following the first time will result in an Aborted
Command error.
At command issuance (I/O registers setting contents)
1F7
H
(CM) 1 1 1 1 1 0 0 1
1F6
H
(DH) x L x DV Max head/LBA [MSB]
1F5
H
(CH) Max. cylinder [MSB]/Max. LBA
1F4
H
(CL) Max. cylinder [LSB]/Max. LBA
1F3
H
(SN) Max. sector/Max. LBA [LSB]
1F2
H
(SC) xx VV
1F1
H
(FR) xx
At command completion (I/O registers contents to be read)
1F7
H
(ST) Status information
1F6
H
(DH) x x x DV Max head/LBA [MSB]
1F5
H
(CH) Max. cylinder [MSB]/Max. LBA
1F4
H
(CL) Max. cylinder [LSB]/Max. LBA
1F3
H
(SN) Max. sector/Max. LBA [LSB]
1F2
H
(SC) xx
1F1
H
(ER) Error information
•
SET MAX SET PASSWORD (FR=01h)
This command requests a transfer of 1 sector of data from the host, and defines
the contents of SET MAX password.
The READ NATIVE MAX ADDRESS command is not executed just before this
command. The command is the SET MAX ADDRESS command if it is the
command just after the READ NATIVE MAX ADDRESS command is executed.
If the device is in the Set Max Locked or Set Max Freeze Locked state:
51h, 04h: ABORTED command