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Computer chip level maintenance textbook

  • 2013-09-22
  • 104.3KB
  • Points it Requires : 2

  Motherboard chipset (pciset): divided into south bridge and north bridge South bridge (main external): also known as system I/O chip (SI/O): mainly manages low-speed external devices; integrates interrupt controller and DMA controller. Functions are as follows: 1) Channel between PCI, ISA and IDE. 2) PS/2 mouse control. (Indirectly under the management of the south bridge, directly under the management of I/O) 3) KB control (keyboard). (Keyboard) 4) USB control. (Universal serial bus) 5) SYSTEM CLOCK system clock control. 6) I/O chip control. 7) ISA bus. 8) IRQ control. (Interrupt request) 9) DMA control. (Direct access) 10) RTC control. 11) IDE control. South bridge connection: ISA—PCI CPU—bridge between peripherals Memory—external memory

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