PLX Technology PEX 8505, Hardware Reference Manual

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PEX 8505RDK Hardware Reference Manual v1.1
© 2007, PLX Technology, Inc. All rights reserved.
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ONTENTS
1. General Information ................................................................................................. 1
1.1 PEX 8505 Features .......................................................................................... 2
1.2 PEX 8505RDK Features................................................................................... 2
1.3 RDK Port Expansion Kit Features .................................................................... 2
1.3.1 RDK Port Expansion Kit Components ....................................................... 3
2. PEX 8505RDK Hardware Architecture .................................................................... 5
2.1 PEX 8505 PCI Express Switch ......................................................................... 6
2.2 PCI Express Card Edge P1 .............................................................................. 6
2.3 PCI Express Connector J1 ............................................................................... 6
2.4 Reference Clock Circuitry ................................................................................. 6
2.5 Reset Circuitry .................................................................................................. 7
2.6 Serial EEPROM................................................................................................ 7
2.7 I2C Interface ..................................................................................................... 7
2.8 Power Distribution ............................................................................................ 7
2.8.1 Power Generation/Conversion .................................................................. 7
2.8.2 Power Sequencing .................................................................................... 8
2.9 LED Indicators .................................................................................................. 8
3. On-Board Connectors, Switches, and Jumpers..................................................... 11
3.1 DIP Switches .................................................................................................. 11
3.1.1 Upstream Port Selection (SW1) .............................................................. 11
3.1.2 PEX 8505 I2C Address Selection (SW2)................................................. 11
3.2 Push-Button Switches..................................................................................... 12
3.2.1 Hot Plug Attention Button# (SW5) ........................................................... 12
3.2.2 Manual Reset# (SW6) ............................................................................. 12
3.3 EEPROM Enable Jumper (JP5) ..................................................................... 12
3.4 JTAG Header (JP1) ........................................................................................ 12
3.5 PCI Express Fatal Error Indication (D9).......................................................... 12
3.6 PEX INTA# (D19) ........................................................................................... 12
3.7 Slots J1 Power Fault Indication (D20) ............................................................ 13
4. Serial EEPROM Registers..................................................................................... 13
4.1 Serial EEPROM Contents............................................................................... 13
5. FAQ/Troubleshooting............................................................................................. 13
5.1 Frequently Asked Questions........................................................................... 13
6. Bill of Materials/ Schematics .................................................................................. 13