Macintosh-Tools/dingusppc
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dingusppc/zdocs/developers/keylargo.md
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The KeyLargo ASIC is an intergrated I/O controller designed for use in New World Power Macintosh G3 and iMac computers.

It would later be succeeded by the K2 ASIC

PCI configuration space registers

Register name Default value
VendorID 0x106B (Apple)
DeviceID 0x0019
RevisionID 0x01
Class code 0xFF0000

Additions

  • USB support
  • MPIC support