17.04.2015 Views

Tema 7. Interfaces con los Periféricos de Almacenamiento

Tema 7. Interfaces con los Periféricos de Almacenamiento

Tema 7. Interfaces con los Periféricos de Almacenamiento

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Registros ATA-IDE<br />

• Datos <strong>de</strong> 16 bits (0x1f0)<br />

• Errores (0x1f1)<br />

• Número <strong>de</strong> Sectores (0x1f2): max=256<br />

• Sector Comienzo/Accedido (0x1f3)<br />

• Número cilindro LSB (0x1f4)<br />

• Número cilindro MSB (0x1f5) : 64 Kcilindros<br />

• Disco Master/Slave y Nº cabeza (0x1f6): 2<br />

discos, 16 cabezas<br />

• Estado (0x1f7)<br />

• Comandos (0x1f8)<br />

<strong>Tema</strong> 7/18

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