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

12.50 Write FPDMA Queued (61h)

Command Block Output Registers
Register
Data Low
Data High
Current
Feature
Previous
Current
Sector
Count
Previous
Current
Sector
Number
Previous
Current
Cylinder
Low
Previous
Cylinder Current
Previous
High
Device/Head
Command
7 6 5
CRC UNC 0
V 0 0
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
Sector Count Previous
Sector Number Current
TAG (bits 7-3)
Sector Number Previous
Cylinder Low Current
Cylinder Low Previous
Cylinder High Current
Cylinder High Previous
Device/Head
7 6 5 4 3 2 1 0
- - - - - - - -
- - - - - - - -
V V V V V V V V
V V V V V V V V
V V V V V - - -
- - - - - - - -
V V V V V V V V
V V V V V V V V
V V V V V V V V
V V V V V V V V
V V V V V V V V
V V V V V V V V
V 1 - 0 - - - -
0 1 1 0 0 0 0 1
Error Register
4 3 2 1
IDN 0 ABT T0N AMN
V 0 V 0
The number of continuous sectors to be transferred low order, bits (7:0)
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.
LBA (7:0)
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.
LBA (31:24)
LBA (15:8)
LBA (39:32)
LBA (23:16)
LBA (47:40)
Deskstar T7K250 Hard Disk Drive Specification
Command Block Input Registers
Register
Data Low
Data High
Error
Sector
Count
Sector
Number
Cylinder
Low
Cylinder
High
Device/Head
Status
0 7 6
BSY RDY DF DSC DRQ
0 0 V
222
7 6 5 4 3 2 1 0
- - - - - - - -
- - - - - - - -
see below
HOB=0 - - - - - - - -
HOB=1 - - - - - - - -
HOB=0 V V V V V V V V
HOB=1 V V V V V V V V
HOB=0 V V V V V V V V
HOB=1 V V V V V V V V
HOB=0 V V V V V V V V
HOB=1 V V V V V V V V
- - - - - - - -
See below ...
Status Register
5 4 3 2
COR IDX
0 V - 0
1 0
ERR
- V