Write Multiple Ext (39H); Table 134. Write Multiple Ext (39H) - Hitachi 7K100 - Travelstar - Hard Drive Specifications

2.5 inch ata/ide hard disk drive
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13.48 Write Multiple EXT (39h)

Table 134: Write Multiple EXT (39h)
Command Block Output Registers
Register
Data Low
Data High
Current
Feature
Previous
Current
Sector
Count
Previous
Current
LBA Low
Previous
Current
LBA Mid
Previous
Current
LBA High
Previous
Device
Command
7
6
5
CRC UNC
0
0
0
0
The Write Multiple Ext command transfers one or more sectors from the host to the device, then the data is written
to the disk media.
Command execution is identical to the Write Sector(s) Ext command except that an interrupt is generated for each
block (as defined by the Set Multiple command) instead of for each sector. The sectors are transferred through the
Data Register 16 bits at a time.
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 high order bits (15-8). If zero is speci-
LBA Low Current
LBA Low Previous
LBA Mid Current
LBA Mid Previous
LBA High Current
LBA High Previous
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
- 1 - D - - - -
0 0 1 1 1 0 0 1
Error Register
4
3
2
1
IDN
0
ABT T0N AMN
V
0
V
0
fied in the Sector Count register, then 65,536 sectors will be transferred.
LBA (7-0)
LBA (31-24)
LBA (15-8)
LBA (39-32)
LBA (23-16)
LBA (47-40)
Travelstar 7K100 Hard Disk Drive Specification
Command Block Input Registers
Register
Data Low
Data High
Error
Sector
Count
LBA Low
LBA Mid
LBA High
Device
Status
0
7
6
BSY RDY DF DSC DRQ
0
0
V
192
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
V - - - - - - -
See below ...
Status Register
5
4
3
2
COR IDX
0
V
-
0
1
0
ERR
-
V

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