Travelstar 5K80 Hard Disk Drive Specification
131
13.21 Read Sector(s) EXT (24h)
Table 90: 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
V
0
V
0
V
-
0
-
V
Summary of Contents for HTS548020M9AT00
Page 2: ......
Page 14: ...Travelstar 5K80 Hard Disk Drive Specification x ...
Page 20: ...Travelstar 5K80 Hard Disk Drive Specification 6 ...
Page 21: ...Travelstar 5K80 Hard Disk Drive Specification 7 Part 1 Functional specification ...
Page 22: ...Travelstar 5K80 Hard Disk Drive Specification 8 ...
Page 24: ...Travelstar 5K80 Hard Disk Drive Specification 10 ...
Page 34: ...Travelstar 5K80 Hard Disk Drive Specification 20 ...
Page 50: ...Travelstar 5K80 Hard Disk Drive Specification 36 ...
Page 69: ...Travelstar 5K80 Hard Disk Drive Specification 53 Part 2 Interface specification ...
Page 70: ...Travelstar 5K80 Hard Disk Drive Specification 54 ...
Page 72: ...Travelstar 5K80 Hard Disk Drive Specification 56 ...
Page 74: ...Travelstar 5K80 Hard Disk Drive Specification 58 ...
Page 102: ...Travelstar 5K80 Hard Disk Drive Specification 86 ...
Page 108: ...Travelstar 5K80 Hard Disk Drive Specification page 92 ...
Page 209: ...Travelstar 5K80 Hard Disk Drive Specification 193 ...
Page 210: ...Travelstar 5K80 Hard Disk Drive Specification 194 ...