5-1
5
5Programming Details
Introduction
This chapter contains details of several programming functions that are not
tied to any specific ASIC chip.
PCI Arbitration
PCI arbitration can be performed by either the Hawk ASIC (default), or the
PIB. The Hawk ASIC supports eight external PCI masters. This includes
Hawk and 7 external PCI masters. The arbitration assignments on the
MVME2400 series when the Hawk is the PCI arbiter are as follows:
Table 5-1. Hawk Arbitration Assignments
PCI BUS
REQUEST
PCI Master(s)
Request 0 Hawk ASIC
Request 1 PIB
Request 2 Universe II ASIC (VMEbus)
Request 3 PMC Slot 1
Request 4 PMC Slot 2
Request 5 PCIX Slot
Request 6 Ethernet
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