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Burst mode is a mechanism which allows the CPU to more efficiently access contiguous blocks of memory. When burst mode is enabled and the instruction and data flow is contiguous, the CPU can almost halve the time normally required to access main system memory.

Because burst mode requires significantly more complex control logic and faster memory (DRAM), Apple did not enable burst mode in Macintosh SE/30.

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Apple Macintosh SE/30

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Buyer Questions

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Motorola advertises that the 68030 uses “burst mode,” what is it?