Hitachi HTS541680J9SA00 Specifications - Page 111

Read Sectors Ext 24h

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Travelstar 5K160 (SATA) Hard Disk Drive Specification 14.23 Read Sector(s) Ext (24h) Command Block Output Registers Register 76543210 Data Low -------- Data High -------- Feature Current Previous Sector Count Current V V V V V V V V Previous V V V V V V V V LBA Low Current V V V V V V V V Previous V V V V V V V V LBA Mid Current V V V V V V V V Previous V V V V V V V V LBA High Current V V V V V V V V Previous V V V V V V V V Device -1- - - - - - Command 00100100 Command Block Input Registers Register 76543210 Data Low -------- Data High -------- Error ...See Below... Sector Count LBA Low LBA Mid LBA High Device Status HOB=0 HOB=1 HOB=0 V V V V V V V V HOB=1 V V V V V V V V HOB=0 V V V V V V V V HOB=1 V V V V V V V V HOB=0 V V V V V V V V HOB=1 V V V V V V V V -------...See Below... Error Register 7 65432 1 0 CRC UNC 0 IDN 0 ABT T0N AMN 0 V0V0V 0 0 Figure 67 Read Sector(s) Ext Command (24h) Status Register 7 654 3 2 1 0 BSY RDY DF DSC DRQ COR IDX ERR 0 V0V - 0 0 V 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 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 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) 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. 111/167

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Travelstar 5K160 (SATA) Hard Disk Drive Specification
111/167
14.23
Read Sector(s) Ext (24h)
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
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
0
V
Figure 67 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
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 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)
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.