PATHDocumentation > Hardware > Power Mac G4 Cube Developer Note

     

I/O Device Controller

The I/O controller IC in the Power Mac G4 Cube is a custom IC called KeyLargo. It is an integrated I/O controller and DMA engine for use in Power Macintosh computers with a PCI bus.

The KeyLargo IC provides the interface and control signals for the following devices:

DMA Support

Interrupt Support

USB Interface

Ultra DMA Interface

Modem Support

USB Sound Support

Power Controller

Wireless LAN Module


© 2000 Apple Computer, Inc. (Last Updated 04 Oct 00)