发明名称 |
Disk storage apparatus and power supply control method for the same |
摘要 |
A disk control apparatus according to the present invention comprising a disk controller for controlling a circuit which controls read operation for reading data from a disk and a CPU for controlling the circuit and the disk controller. The disk controller comprises a buffer memory for storing data being for transferred between a host and the disk controller and a notification section for notifying the CPU that a first state in which an all buffer region of the buffer memory is stored with data to be transferred to the host transits to a second state in which a predetermined space occurs in the buffer region of the buffer memory as a result of transferring data to the host. The CPU comprises a main control section for stopping power supply to the circuit during the first state and for supplying power to the circuit in response to a notification from the notification section.
|
申请公布号 |
US6332196(B1) |
申请公布日期 |
2001.12.18 |
申请号 |
US19990244421 |
申请日期 |
1999.02.04 |
申请人 |
KABUSHIKI KAISHA TOSHIBA |
发明人 |
KAWASAKI MAKOTO;ICHIKAWA YASUHIKO;ISHII SHUICHI |
分类号 |
G11B19/00;G06F3/06;G11B19/02;(IPC1-7):G06F1/26;G06F1/28;G06F1/30 |
主分类号 |
G11B19/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|