Hitachi T7K250 - Deskstar - Hard Drive - Write FPDMA Queued (61 H)

Deskstar T7K250 Hard Disk Drive Specification
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12.50 Write FPDMA Queued (61h)
The Write FPDMA Queued command transfers one or more sectors of data from the host to the device, and then
the data is written to the disk media.
If an unrecoverable error occurs, the write will be terminated at the failing sector.
Output parameters to the device
Sector Count Current The number of continuous sectors to be transferred low order, bits (7:0)
Sector Count Previous The number of continuous sectors to be transferred low order, bits (15:8). If zero
is specified in the Sector Count register, 65,536 sectors will be transferred.
Sector Number Current LBA (7:0)
TAG (bits 7-3) The TAG value shall be assigned to be different from all other queued commands.
The value shall not exceed the maximum queue depth specified by the Word 75 of the
Identify Device information.
Sector Number Previous LBA (31:24)
Cylinder Low Current LBA (15:8)
Cylinder Low Previous LBA (39:32)
Cylinder High Current LBA (23:16)
Cylinder High Previous LBA (47:40)
Device/Head
Command Block Output Registers Command Block Input Registers
Register 7 6 5 4 3 2 1 0 Register 7 6 5 4 3 2 1 0
Data Low - - - - - - - - Data Low - - - - - - - -
Data High - - - - - - - - Data High - - - - - - - -
Feature
Current V V V V V V V V
Error see below
Previous V V V V V V V V
Sector
Count
Current V V V V V - - -
Sector
Count
HOB=0 - - - - - - - -
Previous - - - - - - - - HOB=1 - - - - - - - -
Sector
Number
Current V V V V V V V V
Sector
Number
HOB=0 V V V V V V V V
Previous V V V V V V V V HOB=1 V V V V V V V V
Cylinder
Low
Current V V V V V V V V
Cylinder
Low
HOB=0 V V V V V V V V
Previous V V V V V V V V HOB=1 V V V V V V V V
Cylinder
High
Current V V V V V V V V Cylinder
High
HOB=0 V V V V V V V V
Previous V V V V V V V V HOB=1 V V V V V V V V
Device/Head V 1 - 0 - - - - Device/Head - - - - - - - -
Command 0 1 1 0 0 0 0 1 Status See below ...
Error Register Status Register
7654321 0 7654 3 21 0
CRC UNC 0 IDN 0 ABT T0N AMN BSY RDY DF DSC DRQ COR IDX ERR
V00V0V0 0 0V0V - 0- V