On some older IBM PC–compatible computers, the turbo button selects one of two run states: the default "turbo" clock speed or a reduced speed closer to the Intel 8086 CPU. It was relatively common on computers using the Intel 80286, 80386 and 80486 processors, from the mid-1980s to mid-1990s. The name is inspired by the turbocharger, a device which increases an engine's power and efficiency.
On some older IBM PC–compatible computers, the turbo button selects one of two run states: the default "turbo" clock speed or a reduced speed closer to the Intel 8086 CPU. It was relatively common on computers using the Intel 80286, 80386 and 80486 processors, from the mid-1980s to mid-1990s. The name is inspired by the turbocharger, a device which increases an engine's power and efficiency.
Source: Wikipedia "Turbo button" · CC BY-SA 4.0
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