parameter RAM

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parameter RAM

(PRAM) A small memory in a Macintosh with a battery power supply which stores system parameters (desktop pattern, selectable memory configuration, etc.) when the computer is turned off.
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(1) (Phase Change RAM) Pronounced "P-ram. See phase change memory.

(2) (Parameter RAM) Pronounced "P-ram." A battery-backed part of the Mac's memory that holds Control Panel settings and the settings for the hidden desktop file. If the command and option keys are held down at startup, the desktop settings are cleared and a dialog to rebuild the desktop is initiated.
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