Fujitsu MPB3021AT Product Manual page 171

1) Sets the host address pointer (HAP) and the disk address pointer (DAP) to the lead of
segment.
HAP
DAP
2) Transfers the requested data that already read to the host system with reading the requested
data from the disk media.
HAP
Read-requested data
3) After reading the requested data and transferring the requested data to the host system had
been completed, the disk drive stops command execution without performing the read-
ahead operation.
Read-requested data
4) Following shows the cache enabled data for next read command.
Cache enabled data
Start LBA
6 - 16
Segment only for read
Stores the read-requested
data upto this point
DAP
HAP
DAP
Last LBA
C141-E045-02EN
Empty area
(stopped)
Empty area
(stopped)
Empty area