Datasheet

Travelstar 80GN Hard Disk Drive Specification
140
13.23 Ready Verify Sector(s) EXT (42h)
Table 94: Read Verify Sector(s) EXT Command (42h)
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
the Sector Count register is specified, 65,536 sectors will be transferred.
LBA Low Current LBA (7-0)
LBA Low Previous LBA (31-24)
LBA Mid Current LBA (15-8)
LBA Mid Previous LBA (39-32)
LBA High Current LBA (23-16)
LBA High Previous LBA (47-40)
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 - - - - - - - - Error see below
Previous - - - - - - - -
Sector
Count
Current V V V V V V V V
Sector
Count
HOB=0 - - - - - - - -
Previous V V V V V V V V HOB=1 - - - - - - - -
LBA Low
Current V V V V V V V V
LBA 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
LBA Mid
Current V V V V V V V V
LBA Mid
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
LBA High
Current V V V V V V V V
LBA 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 1 1 1 D - - - - Device V - - - - - - -
Command 0 0 1 0 0 1 0 0 Status See below ...
Error Register Status Register
7654321 0 76543 21 0
CRC UNC 0 IDN 0 ABT T0N AMN BSY RDY DF DSC DRQ COR IDX ERR
0V0V0V0 V 0V0V- 0- V