| 摘要 |
PURPOSE:To increase the using efficency of a storage access controller without using a quick machine cycle, by eliminating the queuing for an access request which is given from a storage controller to a storage access controller. CONSTITUTION:An address signal, i.e. an access request which is given from a storage controller is applied to a register 12-1 as well as to a register 11 that works on a machine clock having a half-cycle shift of phase in comparison with the register 12-1. Thus the continuous addresses are held at the registers 12-1 and 12-2 respectively with no queuing. The addresses given from the registers 12-1 and 12-2 are switched by selectors 13-1 and 13-2 to be supplied to storage access controllers 2-1 and 2-2 respectively. The outputs of the controllers 2-1 and 2-2 are stored to main storage devices 3-1 and 3-2, and the outputs of the devices 3-1 and 3-2 are read through selectors 14-1 and 14-2. Thus no queuing is given to the continuous access requests which are given from the storage controller. |
