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 base 0x00390000 irq 5
     com1 at macebus0 base 0x00398000 irq 5
     mavb0 at macebus0 base 0x00300000 irq 7
     mec0 at macebus0 base 0x00280000 irq 4
     mkbc0 at macebus0 base 0x00320000 irq 6
     power0 at macebus0 irq 6

     macepcibr0 at macebus0
     pci* at macepcbir?

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

SEE ALSO
     com(4), intro(4), mainbus(4), mavb(4), mec(4), mkbc(4), pci(4), power(4)

HISTORY
     The macebus driver first appeared in OpenBSD 3.6.

OpenBSD 4.4                      June 26, 2008                               1
