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====[[Intel 80186|80186]]==== * Introduced 1982 * Clock rates ** 6 MHz, > 1 MIPS * 55,000 transistors * Included two timers, a [[DMA controller]], and an [[interrupt controller]] on the chip in addition to the processor (these were at fixed addresses which differed from the IBM PC, although it was used by several PC compatible vendors such as Australian company Cleveland) * Added a few opcodes and exceptions to the 8086 design, otherwise identical instruction set to 8086 and 8088 ** BOUND, ENTER, LEAVE ** INS, OUTS ** IMUL imm, PUSH imm, PUSHA, POPA ** RCL/RCR/ROL/ROR/SHL/SHR/SAL/SAR reg, imm * Address calculation and shift operations are faster than 8086 * Used mostly in embedded applications β controllers, point-of-sale systems, terminals, and the like * Used in several non-PC compatible [[DOS]] computers including [[RM Nimbus]], [[Tandy 2000]], and CP/M 86 Televideo PM16 server * Later renamed to iAPX 186
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