| 摘要 |
A word processing system with provision for operating a fixed disk via a fixed disk controller. The fixed disk controller is connected to a system floppy disk controller so that the system may be configured with up to four fixed disk drives in addition to or in lieu of floppy disk drives. The system has a display for exhibiting alphanumeric information, a first controller connected to the display for controlling the exhibition of the alphanumeric information, a second controller connected to the first controller for controlling the transfer of data to and from a data storage device, and a fixed disk controller connected to the second controller for controlling the transfer of data to and from a fixed disk. According to another embodiment of the invention, the floppy disk controller includes a DMA controller and a memory for use with both floppy disks and fixed disks.
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