Single revolution disk sector formatter

Details Single revolution disk sector formatter Single revolution disk sector formatter

G - Physics

06

F

352/19

G06F 3/06 (2006.01) G11B 20/12 (2006.01)

Patent

CA 1229679

ABSTRACT OF THE DISCLOSURE A track of a disk device is formatted on a single revolution of the disk by using a read only memory (ROM) to store control codes and a random access memory (RAM) to store address field and data field bytes. A DMA controller simultaneously addresses ROM and RAM. Control codes are read into a control first in-first out memory and data codes are read into a data first in-first out memory. The control codes are applied to a decoder whose output signals control cyclic redundancy check and error detection and correction logic as well as the data first in-first out memory. The serial output from both the data first in-first out memory and the cyclic redundancy check logic are written on disk track.

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