Fujitsu MPD3XXXAH Product Manual page 186

1) The disk drive sets the HAP to the address where the partially hit data is stored, and sets
the DAP to the address just after the partially hit data.
HAP
2) The disk drive starts transferring partially hit data and reads lack data from the disk media
at the same time.
Partially hit data
DAP
Requested data to be transferred
Partially hit data
C141-E072-01EN
Lack data
HAP
(stopped)
Lack data
DAP
6 - 19