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Northbridge or host bridge for PowerPC CPU is an Integrated Circuit (IC) for interfacing PowerPC CPU with memory, and Southbridge IC. Some Northbridge also provide interface for Accelerated Graphics Ports (AGP) bus, Peripheral Component Interconnect (PCI), PCI-X, PCI Express, or Hypertransport bus. Specific Northbridge IC must be used for ...
A typical north/southbridge layout (2015) A typical north/southbridge layout (2007) In computing, a northbridge (also host bridge, or memory controller hub) is a microchip that comprises the core logic chipset architecture on motherboards to handle high-performance tasks, especially for older personal computers.
The PCIe Root Complex holds a master copy of a 'Type 1 Configuration Table' that defines the host memory space that is accessible from each Endpoint device. In addition, each PCIe Endpoint device holds a master copy of their own memory space map in the host system memory as a 'Type 0 Configuration Table', this configuration table in each device ...
After two years of development, the resulting PowerPC ISA was introduced in 1993. A modified version of the RSC architecture, PowerPC added single-precision floating point instructions and general register-to-register multiply and divide instructions, and removed some POWER features. It also added a 64-bit version of the ISA and support for SMP.
QEMU supports the emulation of various architectures, including x86, MIPS64 (up to Release 6), [10] SPARC (sun4m and sun4u), ARM (Integrator/CP and Versatile/PB), SuperH, PowerPC (PReP and Power Macintosh), ETRAX CRIS, MicroBlaze, and RISC-V. It supports saving the virtual machine state while all programs are running.
Intel says Bridge is a runtime post-compiler that allows applications that were originally designed for a variety of different hardware platforms to run natively on x86 devices.
[10] [11] The 603e solved this problem by having a 16 KB L1 cache, which allowed the emulator to run efficiently. In 1993, developers at IBM's Essex Junction, Burlington, Vermont facility started to work on a version of the PowerPC that would support the Intel x86 instruction set directly on the CPU.
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