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  2. Microcode - Wikipedia

    en.wikipedia.org/wiki/Microcode

    It was used to implement three different computer architectures in microcode: the Pascal MicroEngine, the WD16, and the DEC LSI-11, a cost-reduced PDP-11. [38] Earlier x86 processors are fully microcoded. x86 processors implemented patchable microcode (patch by BIOS or operating system) since Intel P6 microarchitecture and AMD K7 ...

  3. Intel microcode - Wikipedia

    en.wikipedia.org/wiki/Intel_Microcode

    Since the P6 microarchitecture introduced in the mid-1990s, the microcode programs can be patched by the operating system or BIOS firmware to work around bugs found in the CPU after release. [1] Intel had originally designed microcode updates for processor debugging under its design for testing (DFT) initiative. [2]

  4. MIC-1 - Wikipedia

    en.wikipedia.org/wiki/MIC-1

    The MIC-1 is a CPU architecture invented by Andrew S. Tanenbaum to use as a simple but complete example in his teaching book Structured Computer Organization.. It consists of a very simple control unit that runs microcode from a 512-words store.

  5. Microarchitecture - Wikipedia

    en.wikipedia.org/wiki/Microarchitecture

    Diagram of the Intel Core 2 microarchitecture. In electronics, computer science and computer engineering, microarchitecture, also called computer organization and sometimes abbreviated as μarch or uarch, is the way a given instruction set architecture (ISA) is implemented in a particular processor. [1]

  6. Computer architecture - Wikipedia

    en.wikipedia.org/wiki/Computer_architecture

    The first documented computer architecture was in the correspondence between Charles Babbage and Ada Lovelace, describing the analytical engine.While building the computer Z1 in 1936, Konrad Zuse described in two patent applications for his future projects that machine instructions could be stored in the same storage used for data, i.e., the stored-program concept.

  7. Microsequencer - Wikipedia

    en.wikipedia.org/wiki/Microsequencer

    The Digital Scientific Corp. Meta 4 Series 16 computer system was a user-microprogrammable system first available in 1970. Branches in the microcode sequence occur in one of three ways. [1] A branch microinstruction specifies the address of the next instruction, either conditionally or unconditionally.

  8. i386 - Wikipedia

    en.wikipedia.org/wiki/I386

    The processor was a significant evolution in the x86 architecture, and extended a long line of processors that stretched back to the Intel 8008. The predecessor of the 80386 was the Intel 80286 , a 16-bit processor with a segment -based memory management and protection system.

  9. Intel Core (microarchitecture) - Wikipedia

    en.wikipedia.org/wiki/Intel_Core_(microarchitecture)

    The first processors that used this architecture were code-named 'Merom', 'Conroe', and 'Woodcrest'; Merom is for mobile computing, Conroe is for desktop systems, and Woodcrest is for servers and workstations. While architecturally identical, the three processor lines differ in the socket used, bus speed, and power consumption.