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MDRAM (Multibank Dynamic RAM)

Multibank Dynamic RAM (MDRAM) is a type of video RAM, developed by MoSys, that divides memory into multiple 32 kilobyte parts or "banks" that can be accessed individually. Traditional video RAM is monolithic; the entire frame buffer is accessed at one time. Having individual memory banks allows accesses to be interleaved concurrently, increasing overall performance. It's also cheaper since, unlike other forms of video RAM, cards can be manufactured with just the right amount of RAM for a given resolution capability instead of requiring it to be in multiples of megabytes.

This was last updated in May 2008

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