Deskstar 7K500 and Deskstar E7K500 Hard Disk Drive Specification
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12.37.5 Set Maximum Host Interface Sector Time
Subcommand code 43h allows the host to inform the device of a host interface rate limitation. The typical Host
Interface Sector Times have the same units as Identify Device word 96 for DMA and word 104 for PIO. A value of
zero indicates that the host interface shall be capable of transferring data at the maximum rate allowed by the
selected transfer mode. The Typical PIO Mode Host Interface Sector Time includes the host's interrupt service
time.
Sector Count Typical PIO Mode Host Interface Sector Time (7:0)
LBA Low Typical PIO Mode Host Interface Sector Time (15:8)
LBA Mid Typical DMA Mode Host Interface Sector Time (7:0)
LBA High Typical DMA Mode Host Interface Sector Time (15:8)
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