Disk drive device and method for controlling the same

Details Disk drive device and method for controlling the same Disk drive device and method for controlling the same

1998-03-27

2000-03-21

Nguyen, Hiep T

Electrical computers and digital processing systems: memory

Storage accessing and control

Specific memory composition

710130, 710 34, 710 26, 711137, 711118, G06F 1208

Patent

active

060413921

ABSTRACT:
A disk drive and a method for controlling the disk drive in which an additional read from a medium can be performed as needed while minimizing the command overhead to the minimum. In a disk drive device 10, even if a read command is issued, and all the required data is stored in the cache memory such that the data transfer can be performed without the intervention of a local MPU 16, a HIC 15 performs the data transfer so as to leave the last one block and waits for the intervention of the local MPU 16. The local MPU 16 provides instructions to transfer the last one block when the preparation for the command termination is completed, and if a plurality of blocks of data to be transferred are remaining when the local MPU 16 instructs the HIC 15 to transfer the last one block, the HIC 15 executes all the data transfer without stopping the data transfer before the last one block, completing the command.

REFERENCES:
patent: 5696931 (1997-12-01), Lum et al.
patent: 5727232 (1998-03-01), Iida et al.
patent: 5778420 (1998-07-01), Shitara et al.

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