5K320 SATA OEM Specification
14.23Read Sector(s) Ext (24h)
Command Block Output Registers |
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Register |
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| 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | Register |
| 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | ||
Data Low |
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| - | - | - | - | - | - | - | - | Data Low |
| - | - | - | - | - | - | - | - | ||
Data High |
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| - | - | - | - | - | - | - | - | Data High |
| - | - | - | - | - | - | - | - | ||
Feature |
| Current | - | - | - | - | - | - | - | - | Error |
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| ...See Below... |
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| Previous | - | - | - | - | - | - | - | - |
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Sector Count | Current | V | V | V | V | V | V | V | V | Sector Count | HOB=0 - - - - | - | - | - | - | |||||||
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| Previous | V | V | V | V | V | V | V | V |
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| 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 | |||||||||||
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| Previous | V | V | V | V | V | V | V | V |
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| 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 | |||||||||||
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| Previous | V | V | V | V | V | V | V | V |
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| 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 | |||||||||||
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| Previous | V | V | V | V | V | V | V | V |
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| HOB=1 V | V | V | V | V | V | V | V | ||
Device |
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| - | 1 | - | - | - | - | - | - | Device |
| - | - | - | - | - | - | - | - | |
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 |
| 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 89 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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