Contents
1
About This Document ................................................................................................................... 7
1.1
2
Introduction.................................................................................................................................... 9
2.1
2.2
PCI-X Interface Features ...................................................................................................... 9
2.3
Power Management............................................................................................................10
2.4
SMBus Interface .................................................................................................................10
2.4.1
2.4.2
2.5
JTAG...................................................................................................................................12
2.6
Related Documents ............................................................................................................12
®
2.7
3
Package Information ...................................................................................................................15
3.1
Package Specification ........................................................................................................15
4
Power Plane Layout ....................................................................................................................19
4.1
4.2
Split Voltage Planes............................................................................................................21
5
5.1
5.2
6
General Routing Guidelines .......................................................................................................25
6.1
General Routing Guidelines................................................................................................25
6.2
Crosstalk .............................................................................................................................25
6.3
EMI Considerations ............................................................................................................26
6.4
6.4.1
Decoupling .............................................................................................................27
6.5
Trace Impedance................................................................................................................27
6.5.1
Differential Impedance ...........................................................................................28
7
Board Layout Guidelines ............................................................................................................29
7.1
Adapter Card Topology.......................................................................................................29
8
PCI-X Layout Guidelines.............................................................................................................31
8.1
Interrupts.............................................................................................................................31
8.1.1
8.2
PCI Arbitration ....................................................................................................................32
8.2.1
8.3
8.3.1
8.4
8.5
®
8.6
Intel® 41210 Serial to Parallel PCI Bridge Design Guide
Contents
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