Parallel-mode data transfer apparatus using sector memories

Details Parallel-mode data transfer apparatus using sector memories Parallel-mode data transfer apparatus using sector memories

1991-06-03

1992-05-05

Harkcom, Gary V.

Boots, shoes, and leggings

364239, 36423951, 364DIG1, 364DIG2, 395800, G06F 300

Patent

active

051113856

ABSTRACT:
A data transfer apparatus comprises first and second memories each having a plurality of sectors each having the storage capacity of each sector in a storage disk. First and second memory access circuits are respectively associated with the first and second memories for successively specifying sectors of the associated one of the memories, writing data from the disk into the specified sectors and reading a copy of data from the associated one of the memories onto the system bus. A read/write control circuit controls the first and second memories to alternately operate in read and write modes when data is transferred between the disk and a system bus and causes one of the first and second memories to operate in a read mode when an error is detected in the transferred data.

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