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ATA REGISTERS |
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CYLINDER HIGH REGISTER
The Cylinder High register is set by the host to specify the cylinder number high byte. Following an ATA command, the content of the register is set internally by the device, identifying the cylinder number high byte.
In LBA mode, the
Table 22: Cylinder High Register
Operation | D7 | D6 | D5 | D4 | D3 | D2 | D1 | D0 |
Read/Write |
| Cylinder | Number | Low | Byte (CHS Addressing) |
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| Logical Block Number bits | |||||||
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Default Value | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
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All unauthorized use and/or reproduction is prohibited.
PAGE 21 | FEBRUARY 2, 2009 |