Block Diagram

A simplified block diagram of the North Bridge, South Bridge, and buses that connect them:

A simplified block diagram of the North Bridge, South Bridge, and buses that connect them:

Schematics Macbook 2011 Pcie

The architecture of the MacBook Air is based on the Intel Core 2 Duo microprocessor and two ICs, the North Bridge memory controller and the South Bridge I/O controller, connected to each other by a Direct Media Interface (DMI) bus. The North Bridge provides the bridging functionality among the processor, the memory system, and the DMI.

The South Bridge supports these components:

  • Parallel ATA (PATA) bus for the hard drive or the optional solid state drive
  • 1-lane PCI Express link for the AirPort Extreme module
  • SPI bus, direct memory access bus to the boot ROM
  • USB 2.0 controller, which in turn supports the Bluetooth 2.1 + EDR module, built-in iSight camera, built-in trackpad and keyboard, and one external, high-powered USB 2.0 port
  • Channel to the audio subsystem

A DMA controller internal to the South Bridge supports LPC DMA (low pin count direct memory access). The DMA controller has registers that are fixed in the lower 64 KB of I/O space. The DMA controller is configured using registers in the PCI configuration space.

Its a MAC

Its a MAC

Get All The Support And Guidance You Need To Be A Success At Using Your MAC. This Book Is One Of The Most Valuable Resources In The World When It Comes To The Tips And Tricks Of Having Fun With MAC.

Get My Free Ebook


Post a comment