C141-E034-02EN
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1) Sets the host address pointer (HAP) and the disk address pointer (DAP) to the lead of segment.
Segment only for read
DAP
HAP
2) Transfers the requested data that already read to the host system with reading the requested
data from the disk media.
Read-requested data
Stores the read-requested
data upto this point
Empty area
DAP
HAP
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
Empty area
DAP
(stopped)
(stopped)
HAP
4) Following shows the cache enabled data for next read command.
Cache enabled data
Empty area
Last LBA
Start LBA
Summary of Contents for MPA3017AT
Page 1: ...C141 E034 02EN MPA3017AT MPA3026AT MPA3035AT MPA3043AT MPA3052AT DISK DRIVES PRODUCT MANUAL ...
Page 29: ...C141 E034 02EN 3 2 Figure 3 1 Dimensions ...
Page 44: ...C141 E034 02EN 4 5 Figure 4 2 MPA30xxAT Block diagram ...
Page 50: ...C141 E034 02EN 4 11 Figure 4 4 Read write circuit block diagram ...
Page 52: ...C141 E034 02EN 4 13 Figure 4 6 PR4 signal transfer ...