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i860 A 32/64-bit superscalar RISC microprocessor from Intel, released in 1989. Originally codenamed "N10". It has a 32-bit integer ALU and a 64-bit floating-point unit. It has a 64-bit data bus with an initialisation mode which only uses eight bits of the data bus to allow the use of a small {boot ROM}. It has a 32-bit wide {instruction cache} and a separate 64-bit wide {data cache}. It uses {register scoreboarding} and {register bypassing}. The clock rate is 33 MHz with a clock-doubled version available. (1998-03-28)
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