Patent ID: 8327087
Filing Date: 2012-12-04
Classification: G06F,G11C

Abstract:
1. A controller, comprising: an access element to provide access to a physical nonvolatile memory device, the physical nonvolatile memory device having a default setting permitting a direct read operation of the physical nonvolatile memory device while prohibiting a direct write operation of the physical nonvolatile memory device; and a command interface to modify access to the physical nonvolatile memory device by issuing a command through at least one write overlay window of at least two write overlay windows of a memory partition to change the default setting to write to the physical nonvolatile memory, the at least two write overlay windows being logically separate from at least one read overlay window of the memory partition, wherein the at least two write overlay windows and the at least one read overlay window are capable of being open simultaneously.