Ready Verify Sector(S) Ext (42H); Table 92: Read Verify Sector(S) Ext Command (42H) - Hitachi HTS548040M9AT00 Specifications

13.23 Ready Verify Sector(s) EXT (42h)

Table 92: Read Verify Sector(s) EXT Command (42h)

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 V 0
The Read Verify Sector(s) Ext verifies one or more sectors on the device. No data is transferred to the host.
The difference between the Read Sector(s) Ext command and the Read Verify Sector(s) Ext command is whether
the data is transferred to the host or not.
If an uncorrectable error occurs, the Read Verify Sector(s) Ext will be terminated at the failing sector.
Output parameters to the device
Sector Count Current This indicates the number of sectors to be transferred low order, bits (7-0)
Sector Count Previous This indicates the number of sectors to be transferred high order, bits (15-8). If 0000h in
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 1 1 D - - - -
0 0 1 0 0 1 0 0
4 3 2 1
IDN 0 ABT T0N AMN
V 0 V 0
the Sector Count register is specified, 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
V 0 V 0
135
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