Interface
FIS Type - | Set to a value of 5Fh. Defines the rest of the FIS fields. |
| Defines the length of the FIS as five Dwords. |
Cyl Low - | Holds the contents of the cylinder low register of the |
| Command Block. |
Cyl Low (exp) - | Contains the contents of the expanded address field of the |
| Shadow Register Block. |
Cyl High - | Holds the contents of the cylinder high register of the |
| Command Block. |
Cyl High (exp) - | Contains the contents of the expanded address field of the |
| Shadow Register Block. |
D - | Indicates whether host memory is being written or read by |
| the device. |
| 1 = write (device to host), 0 = read (host to device). |
Dev / Head - | Holds the contents of the device / head register of the |
| Command Block. |
Dev / Head (exp) - Contains the contents of the expanded address field of the
| Shadow Register Block. |
E_Status - | Contains the new value of the status register of the task file |
| block for correct synchronization of data transfers to host. |
Error - | Contains the new value of the Error register of the Command |
| Block at the conclusion of all subsequent Data to Device |
| frames. |
I - | Interrupt bit. This bit reflects the interrupt bit line of the device. |
R - | Reserved (0) |
Sector Count - | Holds the contents of the sector count register of the |
| Command Block. |
Sector Count (exp) - Contains the contents of the expanded address field of the Shadow Register Block.
Sector Number - Holds the contents of the sector number register of the Command Block.
Sector Num (exp) - Contains the contents of the expanded address field of the
| Shadow Register Block. |
Status - | Contains the new value of the status register of the Command |
| Block at the conclusion of all subsequent PIO Data to Device |
| frames. |
Transfer Count - | Holds the number of bytes to be transferred in the subsequent |
| data FIS. |