Travelstar 5K160 (SATA) Hard Disk Drive Specification
14.23Read Sector(s) Ext (24h)
| Command Block Output Registers |
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| Command Block Input Registers |
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| Register |
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| 7 |
| 6 |
| 5 |
| 4 |
| 3 | 2 | 1 | 0 |
| Register |
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| 7 |
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| 6 |
| 5 |
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| 4 | 3 |
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| 2 | 1 |
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| 0 | |||||||||
| Data Low |
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| - | - | - | - |
| - | - | - | - |
| Data Low |
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| - |
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| - |
| - |
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| - | - |
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| - | - |
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| Data High |
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| - |
| - |
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| - | - | - | - |
| Data High |
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| - |
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| - |
| - |
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| - | - |
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| Feature |
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| Current | - |
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| - | - | - | - |
| Error |
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| ...See Below... |
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| Previous | - | - | - | - |
| - | - | - | - |
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| Sector Count | Current | V |
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| V |
| V |
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| V |
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| V | V | V |
| Sector Count |
| HOB=0 |
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| - - - - | - | - | - | - | |||||||||||||||||||||||||
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| Previous | V |
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| V | V | V |
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| HOB=1 |
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| - |
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| LBA Low | Current | V |
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| V |
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| V | V | V |
| LBA Low |
| HOB=0 |
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| V | V |
| V | V |
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| Previous | V |
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| V | V | V |
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| HOB=1 |
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| LBA Mid | Current | V |
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| V | V | V |
| LBA Mid |
| HOB=0 |
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| V | V |
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| Previous | V |
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| V | V | V |
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| HOB=1 |
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| LBA High | Current | V |
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| V |
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| V | V | V |
| LBA High |
| HOB=0 |
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| V |
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| V | V |
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| Previous | V |
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| V | V | V |
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| HOB=1 |
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| V |
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| V |
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| V | V |
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| V | V |
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| V | ||
| Device |
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| - |
| 1 |
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| Device |
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| Command |
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| 0 | 0 | 1 | 0 |
| 0 | 1 | 0 | 0 |
| Status |
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| ...See Below... |
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| Error Register |
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| Status Register |
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7 |
| 6 |
| 5 | 4 | 3 |
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| 2 |
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| 1 |
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| 0 |
| 7 |
| 6 |
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| 4 |
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| 3 |
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| 0 | |||||||||||||||||
| CRC |
| UNC |
| 0 | IDN | 0 |
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| ABT |
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| T0N |
| AMN |
| BSY |
| RDY |
| DF | DSC |
| DRQ |
| COR | IDX | ERR | |||||||||||||||||||||||||
0 |
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| 0 | V | 0 |
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| 0 |
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| V |
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| V |
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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 |
LBA Low Current | Count register is specified, then 65,536 sectors will be transferred. |
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. |
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