Introduction; Table 5-1. Hawk Arbitration Assignments; Pci Arbitration; Programming Details - Motorola MVME2400 Series Programmer's Reference Manual

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
Request 0
Request 1
Request 2
Request 3
Request 4
Request 5
Request 6
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PCI Master(s)
Hawk ASIC
PIB
Universe II ASIC (VMEbus)
PMC Slot 1
PMC Slot 2
PCIX Slot
Ethernet
5
5-1