Write Multiple Ext (39H) - Hitachi HTS548040M9AT00 Specifications

13.46 Write Multiple EXT (39h)

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
Error Register
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
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 5K80 Hard Disk Drive Specification
Command Block Input Registers
Register
Data Low
Data High
Error
HOB=0
Sector
Count
HOB=1
HOB=0
LBA Low
HOB=1
HOB=0
LBA Mid
HOB=1
HOB=0
LBA High
HOB=1
Device
Status
0 7 6 5
BSY RDY DF DSC DRQ
0 0 V 0
181
7 6 5 4 3 2 1 0
- - - - - - - -
- - - - - - - -
see below
- - - - - - - -
- - - - - - - -
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 - - - - - - -
See below ...
Status Register
4 3 2 1
COR IDX
V - 0 -
0
ERR
V