Travelstar 7K100 Hard Disk Drive Specification
138
13.22 Read Sector(s) EXT (24h)
Table 94: Read Sector(s) EXT Command (24h)
The Read Sector(s) Ext command reads from 1 to 65,536 sectors of data from disk media, then transfers the data
from the device to the host.
The sectors are transferred through the Data Register 16 bits at a time.
If an uncorrectable error occurs, the read 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
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
-
V
Summary of Contents for HTS721010G9AT00
Page 2: ......
Page 18: ...Travelstar 7K100 Hard Disk Drive Specification 4 ...
Page 20: ...Travelstar 7K100 Hard Disk Drive Specification 6 ...
Page 21: ...Travelstar 7K100 Hard Disk Drive Specification 7 Part 1 Functional specification ...
Page 22: ...Travelstar 7K100 Hard Disk Drive Specification 8 ...
Page 24: ...Travelstar 7K100 Hard Disk Drive Specification 10 ...
Page 34: ...Travelstar 7K100 Hard Disk Drive Specification 20 ...
Page 67: ...Travelstar 7K100 Hard Disk Drive Specification 53 Part 2 Interface specification ...
Page 68: ...Travelstar 7K100 Hard Disk Drive Specification 54 ...
Page 70: ...Travelstar 7K100 Hard Disk Drive Specification 56 ...
Page 72: ...Travelstar 7K100 Hard Disk Drive Specification 58 ...
Page 100: ...Travelstar 7K100 Hard Disk Drive Specification 86 ...
Page 106: ...Travelstar 7K100 Hard Disk Drive Specification 92 ...
Page 212: ...Travelstar 7K100 Hard Disk Drive Specification 198 ...
Page 224: ......