Deskstar 7K250 Hard Disk Drive Specification
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Input parameters from the device on Bus Release
Sector Count
Bits 7 - 3 (Tag) contain the Tag of the command being bus released.
Bit 2 (REL) is set to one.
Bit 1 (I/O) is cleared to zero.
Bit 0 (C/D) is cleared to zero.
Sector Number, Cylinder High/Low, H
n/a.
SRV
Cleared to zero when the device performs a bus release. This bit is set to 1 when
the device is ready to transfer data.
Input parameters from the device on Command Complete
Sector Count (HOB-0)
Bits 7 - 3 (Tag) contain the Tag of the command being bus released.
Bit 2 (REL) is cleared to one.
Bit 1 (I/O) is set to zero.
Bit 0 (C/D) is set to zero.
Sector Number (HOB=0)
LBA (7:0) of the address of the first unrecoverable error (applicable only when an
unrecoverable error has occurred).
Sector Number (HOB=1)
LBA (31:24) of the address of the first unrecoverable error (applicable only when
an unrecoverable error has occurred).
Cylinder Low (HOB=0)
LBA (15:8) of the address of the first unrecoverable error (applicable only when
an unrecoverable error has occurred).
Cylinder Low (HOB=1)
LBA (39:32) of the address of the first unrecoverable error (applicable only when
an unrecoverable error has occurred).
Cylinder High (HOB=0)
LBA (23:16) of the address of the first unrecoverable error (applicable only when
an unrecoverable error has occurred).
Cylinder High (HOB=1)
LBA (47:40) of the address of the first unrecoverable error (applicable only when
an unrecoverable error has occurred).
SRV
Cleared to zero.
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