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How to use UMB - definition: Upper Memory Block. Reserved system memory in the range 640 kilobytes.

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UMB definition

What is UMB: Upper Memory Block. Reserved system memory in the range 640 kilobytes to 1 megabyte.

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Dictionary A supplemental routine or program designed to carry out a specific operation, usually to modify the system environment or perform housekeeping tasks umb definition.

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