MACEBUS(4)             OpenBSD Programmer's Manual (SGI)            MACEBUS(4)

NAME
     macebus - Multimedia, Audio and Communications Engine I/O ASIC

SYNOPSIS
     macebus0 at mainbus0

     clock0 at macebus0
     com0 at macebus0 sys 0x18 base 0x00390000 irq 5
     com1 at macebus0 sys 0x18 base 0x00398000 irq 5
     mec0 at macebus0 sys 0x18 base 0x00280000 irq 4

     macepcibr0 at macebus0
     pci* at macepcbir?

DESCRIPTION
     The macebus driver provides access to the MACE I/O ASIC, which manages
     all the on-board devices on the O2.  The macebus also provides a PCI
     bridge.

SEE ALSO
     com(4), intro(4), mec(4), pci(4)

HISTORY
     The macebus driver first appeared in OpenBSD 3.6.

OpenBSD 4.0                    December 23, 2002                             1
