5K320 SATA OEM Specification
125
14.25 Read Verify Sector(s) Ext (42h)
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 -
- - - - - - -
Current - - - - -
- - -
Error ...See Below... Feature
Previous - - - - -
- - -
Current V
V
V
V
V
V
V
V
HOB=0
-
- - - - - - - Sector Count
Previous V
V
V
V
V
V
V
V
Sector Count
HOB=1
-
- - - - - - -
Current V
V
V
V
V
V
V
V
HOB=0
V
V
V
V
V
V
V
V
LBA Low
Previous V
V
V
V
V
V
V
V
LBA Low
HOB=1
V
V
V
V
V
V
V
V
Current V
V
V
V
V
V
V
V
HOB=0
V
V
V
V
V
V
V
V
LBA Mid
Previous V
V
V
V
V
V
V
V
LBA Mid
HOB=1
V
V
V
V
V
V
V
V
Current V
V
V
V
V
V
V
V
HOB=0
V
V
V
V
V
V
V
V
LBA High
Previous V
V
V
V
V
V
V
V
LBA High
HOB=1
V
V
V
V
V
V
V
V
Device - 1
- - -
- - -
Device -
- - - - - - -
Command 0
0
1
0
0
0
1
0
Status ...See Below...
Error Register
Status Register
7 6 5 4 3 2 1 0
7 6 5 4 3 2 1 0
CRC
UNC
0 IDN 0 ABT
T0N AMN
BSY
RDY
DF
DSC
DRQ
COR
IDX ERR
0 V 0 V 0 V 0 0
0 V 0 V - 0 0 V
Table 91 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 The number of sectors to be transferred low order, bits (7:0).
Sector Count Previous The number of sectors to be transferred high order, bits (15:8). If 0000h in the Sector
Count register is specified, then 65,536 sectors will be verified.
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)
Input Parameters From The Device
LBA Low (HOB=0) LBA (7:0) of the address of the first unrecoverable error.
LBA Low (HOB=1) LBA (31:24)of the address of the first unrecoverable error.
LBA Mid (HOB=0) LBA (15:8)of the address of the first unrecoverable error.
LBA Mid (HOB=1) LBA (39:32)of the address of the first unrecoverable error.
LBA High (HOB=0) LBA (23:16)of the address of the first unrecoverable error.
LBA High (HOB=1) LBA (47:40)of the address of the first unrecoverable error.
