User manuals:

SGI Machines
  • Indigo (IP20)
  • Indy (IP24)
  • Octane (IP30)
  • O2 (IP32)
  • Hardware (programming) documentation for SGI machines

    SGI Indigo/Indigo2/Indy
  • dmux1.pdf -- Data path between processor, memory, and GIO bus
  • gio64.pdf -- GIO bus specification
  • hpc3.pdf -- High-performance Peripheral Controller (HPC3) specification
  • ioc.pdf -- I/O Controller (IOC) specification
  • mc.pdf -- Memory Controller (MC) specification
  • rb2.pdf -- RAM Buffer (RB2) specification
  • rex3.pdf -- Raster Engine (REX3) specification
  • ro1.pdf -- ReOrganizer (RO1) specification
  • vc2.pdf -- Video Controller (VC2) specification
  • vino.pdf -- Video (VINO) specification
  • vino.01.pdf -- Timing Diagram for VINO (1)
  • vino.02.pdf -- Timing Diagram for VINO (2)
  • vino.03.pdf -- Timing Diagram for VINO (3)
  • vino.04.pdf -- Timing Diagram for VINO (4)
  • vino.05.pdf -- Timing Diagram for VINO (5)
  • vino.06.pdf -- Timing Diagram for VINO (6)
  • xmap9.pdf -- XMAP9 specification
  • SGI O2
  • ad1845.pdf -- Analog Devices AD1845 specification (audio)
  • ds17287.pdf -- Dallas Semiconductors DS17287 specification (RTC/NVRAM)
  • DP83840.pdf -- National Semiconductor DP83840A specification (MII)
  • nec_vr5000.pdf -- NEC VR5000 specification (CPU)
  • PC16550D.pdf -- National Semiconductor PC16550D specification (serial)