The Intel 80286 is the lower middle power microprocessor in the Intel lineup. It was originally designed as a completely new processor for the PC world, providing capabilities which were not allowed for in MSDOS. These capabilities include Virtual Memory Management, Memory over 640k bytes, as well as extended register sizes, and an extended instruction set. Picture of the die 80286 Internal Interrupt summary Interrupt Description --------- ----------------------------------------------------------------- Int\03 -(internal) Taken when CPU executes the 1-byte instruction INT 3 Int\04 -(internal) Generated by INTO instruction if OF flag is set Int\05 -(internal) BOUND check failed (80186/80286) Int\06 -(internal) undefined opcode (80286) Int\07 -(internal) no math unit available (80286) Int\08 -(internal) - DOUBLE FAULT (80286/80386 protected mode) Int\09 -(internal) math unit protection fault (80286 protected mode) Int\0A -(internal) invalid task state segment (80286 protected-mode) Int\0B -(internal) not present (80286 protected-mode) Int\0C -(internal) stack fault Int\0D -(internal) general protection violation
|file: /Techref/intel/80286.HTM, 4KB, , updated: 2016/4/4 14:48, local time: 2018/6/20 12:18,
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<A HREF="http://www.piclist.com/techref/intel/80286.HTM"> Intel 80286 CPU</A>
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