Toshiba MK1032GAX Manuale Utente
Toshiba Corporation Digital Media Network Company
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© 2004, Copyright TOSHIBA Corporation All Rights Reserved
11.8.9 Read Verify (40h)
COMMAND CODE
0 1 0 0 0 0 0 0
REGISTER
REGISTER SETTING
NORMAL COMPLETION
DR
drive no.
no change
CY
starting cylinder
last possible
HD
starting head
last possible
SN
starting sector
start sector
SC
no. of sector to be read
00H
LBA
starting address
last address
This command is identical to a Read command except that the drive has read the data from the media, and
the DRQ bit is not set and no data is sent to the host. This allows the system to verify the integrity of the
drive. A single interrupt is generated upon completion of a command or when an error occurs.
the DRQ bit is not set and no data is sent to the host. This allows the system to verify the integrity of the
drive. A single interrupt is generated upon completion of a command or when an error occurs.
11.8.10 Read Verify EXT (42h)
COMMAND CODE
0 1 0 0 0 0 1 0
REGISTER
REGISTER SETTING
NORMAL COMPLETION
DR
drive no.
no change
LBA
Low
Current
Previous
LBA(7:0)
LBA(31:24)
HOB=0
HOB=1
HOB=1
last address
last address
last address
LBA
Mid
Current
Previous
LBA(15:8)
LBA(39:32)
HOB=0
HOB=1
HOB=1
last address
last address
last address
LBA
High
High
Current
Previous
LBA(23:16)
LBA(47:40)
LBA(47:40)
HOB=0
HOB=1
HOB=1
last address
last address
last address
SC Current
Previous
sector count(7:0)
sector count(15:8)
HOB=0
HOB=1
HOB=1
00H
00H
00H
FT Current
Previous
reserved
reserved
reserved
HOB=0
HOB=1
HOB=1
no change
no change
no change
This command is identical to a Read EXT command except that the drive has read the data from the media,
and the DRQ bit is not set and no data is sent to the host. This allows the system to verify the integrity of
the drive. A single interrupt is generated upon completion of a command or when an error occurs.
and the DRQ bit is not set and no data is sent to the host. This allows the system to verify the integrity of
the drive. A single interrupt is generated upon completion of a command or when an error occurs.
This command is available in LBA addressing only.
11.8.11 Write Verify
6
(3Ch)
6
ATA/ATAPI-4 defines this command as Vendor specific. The drive supports this command to maintain ATA-3 compatibility. User is
recommended not to use this command.