Personal Computer User Manual

Programming Considerations
http://www.motorola.com/computer/literature 6-7
6
PMC Slot 2 (PCI mezzanine card)
PCI Expansion Slot
The Winbond W83C554 PIB device supplies the PCI arbitration support
for these seven types of devices. The PIB supports flexible arbitration
modes of fixed priority, rotating priority, and mixed priority, as
appropriate in a given application. Details on PCI arbitration can be found
in the MVME5100-Series Single Board Computer Programmer’s
Reference Guide.