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21555 PCI-to-PCI Bridge Evaluation Board User’s Guide iii
Contents
1 Introduction.........................................................................................................................5
1.1 Overview ...............................................................................................................5
1.2 Features ................................................................................................................5
1.3 Major Components................................................................................................6
1.3.1 Connectors ...........................................................................................6
1.3.2 Switches and Jumper ...........................................................................7
1.3.3 Devices.................................................................................................7
1.4 Switch Settings......................................................................................................8
1.5 Stake-Pin Jumper..................................................................................................9
1.6 Resistor Jumpers ................................................................................................10
1.6.1 Clock Configuration ............................................................................11
1.6.2 Clamping Voltage ...............................................................................11
1.7 Secondary Slot Numbering and IDSEL Mapping ................................................12
1.8 Interrupt Routing..................................................................................................13
1.9 Typical Configurations.........................................................................................14
2 Operations and Installation...............................................................................................17
2.1 Specifications ......................................................................................................17
2.2 Hardware Requirements .....................................................................................17
2.3 Software Requirements.......................................................................................17
2.3.1 Programming the SROM ....................................................................18
2.3.2 Programming the Flash ROM.............................................................18
2.4 Installation Procedure..........................................................................................19
2.5 Interrupt Routing..................................................................................................20
3 Optional Configurations....................................................................................................21
3.1 PICMG Configuration ..........................................................................................21
3.2 Central Function and Arbiter Control...................................................................21
3.3 Asynchronous Clocking.......................................................................................22
Figures
1 Major Components................................................................................................6
2 Switches................................................................................................................8
3 Jumper Resistors ...............................................................................................10
4 Local PCI Slot Numbering...................................................................................12
5 DE1B55503 with One Local Bus Option Card.....................................................14
6 DE1B55503 with Two Local Bus Option Cards...................................................15